Experiments were conducted on the scale-model parabolic trough collector module at a desert test site. The low-temperature absorber tube used in the prior experiments was replaced by a selectively coated heat pipe absorber tube. Collector performance was ...

Inorganic ion-exchange materials supplied by the Duratek Corporation, Maryland, USA have been tested in batch contact experiments to assess their effectiveness in removing radionuclides from aqueous solutions. The three absorbers tested, D10, D70 and D190...

Liquid hydrogen absorbers for the Muon Ionization Cooling Experiment (MICE) have been developed, and the first absorber has been tested at KEK. In the preliminary test at KEK we have successfully filled the absorber with {approx}2 liters of liquid hydrogen. The measured ...

The aim of the study was to replace lime by limestone as absorber. The experiment includes Kinetic studies of the dry phase and development of a process for the pilot plant. The ability of the limestone to absorb moisture was tested. Activated limestone c...

The Actinide Source Term Waste Test Program (STTP) experiment at Los Alamos National Laboratory must dispose of about 400 gallons each of Brine A and Castile Brine which are the predominant types of brine found at the Waste Isolation Pilot Plant (WIPP). T...

The lateral punch-through produced by the interaction of a (pi)'s beam with a lead absorber has been measured. The experimental results are compared to the GEANT predictions in order to normalize the dimuon spectrometer simulations. Extrapolation of the r...

The Fast Flux Test Facility (FFTF) has an Interim Examination and Maintenance (IEM) Cell that is used for the remote disassembly of irradiated fuel and material experiments. Some material experiments such as 3.6-m (12-ft)-long absorber test assemblies are...

The Muon Ionization Cooling Experiment (MICE) will test ionization cooling of muons. In order to have effective ionization cooling, one must use an absorber that is made from a low-z material. The most effective low z materials for ionization cooling are hydrogen, helium, lithium hydride, lithium and beryllium, in that order. In order ...

The Muon Ionization Cooling Experiment (MICE) will test ionization cooling of muons. In order to have effective ionization cooling, one must use an absorber that is made from a low-z material. The most effective low z materials for ionization cooling are hydrogen, helium, lithium hydride, lithium and beryllium, in that order. In order ...

This group activity focuses on conducting an experiment to determine which of two brands of paper towels are more absorbent by measuring the amount of water absorbed. A two-sample t-test can be used to analyze the data, or simple graphics and descriptive statistics can be used as an exploratory analysis. Students ...

Shock-absorbing concrete, cellular concrete, was developed and used in several experiments at the Nevada Test Site to reduce or attenuate ground shock produced from blast loadings. In conjunction with the field experiments, an analytical investigation inv...

A second instrumented control materials irradiation test assembly has been designed and fabricated by HEDL for insertion in the EBR-II reactor. The objective of this experiment is to obtain critical absorber material performance data needed for analysis o...

Ionization cooling is the only technique fast enough to cool and focus muons for neutrino factories and muon colliders, and hydrogen is the optimal material for maximum cooling and minimal multiple scattering. Liquid hydrogen absorber R&D for the Muon Collaboration has proceeded on parallel and complementary fronts. The continuing LH2 absorber ...

The primary locations of radioactivation in the High Energy Booster will be the beam absorbers and in the target-beam dump assembly used for producing the test beams. The purpose of this note will be to make preliminary estimates of the radioactivation of the components of these systems. These will be based, primarily, upon experience ...

Los Alamos National Laboratory (LANL) has completed experiments involving 15 each, 250-liter experimental test containers of transuranic (TRU) heterogeneous waste immersed in two types of brine similar to those found in the underground portion of the Waste Isolation Pilot Plant (WIPP). To dispose of the waste without removing the brine from the ...

Los Alamos National Laboratory (LANL) has completed experiments involving 15 each, 250- liter experimental test containers of transuranic (TRU) heterogeneous waste immersed in two types of brine similar to those found in the underground portion of the Waste Isolation Pilot Plant (WIPP). To dispose of the waste without removing the brine from the ...

We present a model to describe the responsivity of distributed read-out imaging devices following photon absorption in the absorber or in the base or top film of the superconducting tunnel junctions at either end of the absorber. The model describes the processes most relevant for photon detection, taking into account diffusion of quasiparticles across the ...

metaphors found in the realm of storytelling and comparative mythology to illustrate how the experience of composing music follows the time-tested mythology of departure, initiation, and return," he says. MeanwhileHawaiianpetrelstofindwaystohelpthespeciessurvive. #12;Tiny creatures at the bottom of the food chain called diatoms absorb ...

The results of regenerative solar still (RSS) experiments at the Bukhar State Pedagogical Institute solar test station are examined. The RSS efficiency is considerably higher in the second half of the day. This is explained by the fact that with increase of still productivity the amount of heat absorbed by the discharged water ...

This article provides information on the evolution of the building material, concrete, and suggests hands-on activities that allow students to experience concrete's qualities, test the heat absorbency of various ground surface materials, discover how an area's geology changes, and search for city fossils. A reproducible activity sheet ...

Los Alamos National Laboratory (LANL) has completed experiments involving 15 each, 250- liter experimental test containers of transuranic (TRU) heterogeneous waste immersed in two types of brine similar to those found in the underground portion of the Was...

The experiments were performed to verify the possibility of the direct separation of radionuclides from a liquid decontamination waste. The solution tested were an acidic decontamination solution from the modified AP-Citrox process and a model solution simulating liquid waste from electrochemical decontamination. The efficiency of a set of inorganic ...

The feasibility of helicopter blade lag damping using embedded chordwise absorbers is investigated. The basic feature of this approach is the use of tuned vibration absorbers along the blades. This concept, utilizing a portion of the leading edge weights that are already incorporated into the blade as a part of the mass of the ...

A mixture of zirconium hydroxide and zirconium phosphate absorbers available from the Chemical Division of Magnesium Elektron Ltd., has been tested in a packed bed geometry for the removal of some radionuclides from a simulated waste stream at pH 9. The r...

The report describes a mathematical model for adiabatic operation of a packed-column absorber designed to remove acid gases from coal gasification crude product gas. It also gives results of experiments with a small pilot-scale coal gasification/gas cleaning facility designed to ...

Experiments were conducted in a laboratory to investigate the absorption of water vapor into a falling-film of aqueous lithium bromide (LiBr). A mini-absorber test stand was used to test smooth tubes and a variety of advanced tube surfaces placed horizontally in a single-row bundle. The bundle had six copper tubes; ...

This report describes the design issues that are associated with a superconducting focusing solenoid that goes around a liquid hydrogen absorber for the Muon Ionization Cooling Experiment (MICE) proposed for the Rutherford Appleton Laboratory. The solenoid consists of two superconducting coils that may operated at the same polarity or at opposite ...

A panel research experiment (PRE) was designed, built, and tested as a scaled-down model of a direct absorption receiver (DAR). The PRE is a 3-MW{sub t}DAR experiment that will allow flow testing with molten nitrate salt and provide a test bed for DAR testing with actual ...

A new hafnium aluminide composite material is being developed as a key component in a Boosted Fast Flux Loop (BFFL) system designed to provide fast neutron flux test capability in the Advanced Test Reactor. An absorber block comprised of hafnium aluminide (Al3Hf) particles (~23% by volume) dispersed in an aluminum matrix can ...

The thin windows for the Muon Ionization Cooling Experiment (MICE) liquid Absorber will be fabricated from 6061-T6-aluminum. The absorber and vacuum vessel thin windows are 300-mm in diameter and are 180 mm thick at the center. The windows are designed for an internal burst pressure of 0.68 MPa (100 psig) when warm. The MICE ...

Liquid nuclear and chemical wastes may require their immobilization into a stable waste form via a processing scheme. An agglomeration process to immobilize these wastes with a solid, absorbent binder is presented. An experiment using a simulated (nonradioactive) liquid nuclear-waste stream and sodium titanate as the solid binder was performed to ...

The key elements of the Muon Ionization Cooling Experiment (MICE) cooling channel are the absorbers that are a part of the MICE absorber focus coil modules (AFC modules). The boundaries of room temperature solid absorbers are well defined. The density of most solid absorber materials is also ...

A joint US/Federal Republic of Germany (FRG) project has successfully tested a unique solar-driven chemical reactor in the Catalytically Enhanced Solar Absorption Receiver (CAESAR) experiment. The CAESAR test was a proof-of-concept demonstration of carbon-dioxide reforming of methane in a commercial-scale, solar, volumetric ...

In a solar central receiver system Direct Absorption Receiver (DAR), the heat absorbing fluid (a blackened molten nitrate salt) flows in a thin film down a vertical panel (rather than through tubes as in conventional receiver designs) and absorbs the concentrated solar flux directly. To better understand flow phenomena in this type of receiver, we are ...

... Descriptors : *ABSORBERS(MATERIALS), *CARBON DIOXIDE, *DIVER EQUIPMENT, *BREATHING APPARATUS, *COLD STORAGE, TEST AND ...

This report summarizes the test methods and results of a series of tests to determine compliance of modified Hawk launcher shock absorbers with Technical Data Package (TDP) requirements. The primary test was a dynamic impact of the shock absorber with a 1...

... Title : Test Report, HAWK Launcher Shock Absorber Spring, Part Number 9089062, Spring Rate and Residual Deflection Tests. ...

Based on the results of the reactor physics assessment, conversion of the Advanced Test Reactor (ATR) at the Idaho National Laboratory (INL) can be potentially accomplished in two ways, by either using U-10Mo monolithic or U-7Mo dispersion type plates in the ATR fuel element. Both designs, however, would require incorporation of the burnable absorber in ...

Most ionization cooling schemes now under consideration are based on using many large flasks of liquid hydrogen energy absorber. One important example is the proposed Muon Ionization Cooling Experiment (MICE), which has recently been approved to run at the Rutherford Appleton Laboratory (RAL). In the work reported here, a potential muon cooling ...

The DROID (Distributed Read-Out Imaging Detector) is being developed to overcome the limitation in sensitive area with the use of single STJ's (Superconducting Tunnel Junctions). The DROID configuration allows the reconstruction of the position of the photon absorption and therefore it can replace a number of single STJ's in a detector array. We present a 2D model which describes the response of ...

An investigation of three control element designs for sodium-graphite reactors is presented: the first design utilizes wire rope supporting a rod of neutron absorber material, permitting installation of the complete actuator in the upper end of a control rod thimble below the reactor loading face; the second concept uses overlapping fuel and ...

Neutron transmission experiments were performed on samples of an advanced nickel-chromium-molybdenum-gadolinium (Ni-Cr-Mo-Gd) neutron absorber alloy. The primary purpose of the experiments was to demonstrate the thermal neutron absorbing capability of the alloy at specific gadolinium dopant levels. The new alloy is ...

We propose to start a test-beam experiment at Fermilab studying the problems associated with tracking extremely high energy muons through absorbers. We anticipate that in this energy range the observation of the muons will be complicated by associated electromagnetic radiation Monte Carlo simulations of this background need to be tuned ...

The authors propose to start a test-beam experiment at Fermilab studying the problems associated with tracking extremely high energy muons through absorbers. It is anticipated that in this energy range the observation of the muons will be complicated by associated electromagnetic radiation. Monte Carlo simulations of this background ...

A heat and mass transfer test stand was fabricated and used to investigate nonisothermal falling film absorption of water vapor into a solution of aqueous lithium bromide. The absorber was made of borosilicate glass for visual inspection of the failing film. Experiments were conducted on internally cooled tubes of about 0.019 m outside ...

The aim of this work was a complex evaluation of synthetic non-absorbable surgical threads of the latest, so called 3rd generation: Novafil, Monolene and Fore-Tex. Biological tests in vivo were carried on 90 white rats of the Wistar tribe. The animals were divided into three experimental groups depending on the kind of the implanted surgical thread. ...

This experiment introduces the concept of gravimetric dilutions in the context of tablet analysis. Caffeine tablets are analyzed by absorbance at 274 nm with reference to a standard calibration graph and tested for compliance with the USP criterion. All samples and standards are prepared using gravimetric dilutions without reference to ...

Severe Fuel Damage (SFD) experiments were carried out in the out-of-pile facility CORA as part of the international SFD research. The experimental program was set up to provide information on failure mechanisms of Light Water Reactor (LWR) fuel elements i...

The performance of PAN-based composite absorbers was evaluated in dynamic experiments at flow rates ranging from 25--100 bed volumes (BV) per hour. Composite absorbers with active components of ammonium molybdophosphate (AMP) PAN and K-Co ferrocyanide (KCoFC) PAN were used for separating Cs from a 1 M HNO{sub 3} + 1 M NaNO{sub 3} + 2 ...

Marginally trapped neutrons are a major source of systematic errors in storage experiments with ultra-cold neutrons (UCN): their energies slightly exceed the trapping potential and their storage lifetimes are of the same order of magnitude as the neutron ?-decay lifetime to be measured. Hence, they have to be removed before the actual neutron storage period starts. For the ...

A new volumetric (directly irradiated) solar absorber, nicknamed Porcupine, is presented. It was tested over several hundreds of hours at the Weizmann institute`s Solar Furnace, using several flow and geometric configurations, at various irradiation conditions. The experiments, which were conducted at a power level of about 10 kW, ...

QUENCH is a series of experiments being performed at the Forschungszentrum Karlsruhe, to investigate quenching with water and cooling with steam of oxidized and partially degraded fuel rod bundle. Test QUENCH-07 was performed to address the effects of chemical behavior and degradation of B{sub 4}C absorber rods, especially the ...

Experiments were continued on the scale model parabolic trough collector module at a desert test site. For the tests, the heat pipe absorber tube was coated with a non-selective black paint. The collector efficiency was found to be significantly lower tha...

With simultaneous measurement of the temperature signal and the scintillation light of a CaWO4 absorber crystal, it is possible to reject the gamma and electron background in the Cryogenic Rare Event Search with Superconducting Thermometers experiment. In order to understand the different events from various particles correctly a neutron calibration ...

The main objective of this work was to investigate the effectiveness of ceramic ultrafiltration (UF) membranes with different pore sizes in removing natural organic matter (NOM) from model solutions and drinking water sources. A lab-scale, cross-flow ceramic membrane test unit was used in all experiments. Two different single-channel tubular ceramic ...

We provide evidence that the general phenomenon of plastic depinning can be described as an absorbing phase transition, and shows the same features as the random organization which was recently studied in periodically driven particle systems [L. Corte, Nature Phys. 4, 420 (2008)]. In the plastic flow system, the pinned regime corresponds to the absorbing ...

A study was performed to aid in the development of accelerated test methods needed for the evaluation of absorber materials and to incorporate the methods into draft standards for consideration as consensus standards by the American Society for Testing an...

... 64 days after administration. Most of the absorbed Y88 was deposited in the skeleton. Intramuscular experiments with carrier ...

This paper presents the calorimetric measurement of the inward-flowing fraction of absorbed solar radiation for a venetian blind at various blind slat angles. The general methodology used for this study followed that originally used by Klems and Kelley (1996). By conducting controlled experiments with an electrically heated blind (to simulate the effects ...

Two types of sintered SiC (silicon carbide) ceramics are used as the HOM absorbers for the prototype ARES cavities. One is bullet-shape SiC ceramics and the other is a block one. High power tests of these absorbers were carried out using an L-band RF power source. The prototype cavities equipped with these ...

This report discusses the use of small cryogenic coolers for cooling the Muon Ionization Cooling Experiment (MICE) liquid cryogen absorbers. Since the absorber must be able contain liquid helium as well liquid hydrogen, the characteristics of the available 4.2 K coolers are used here. The issues associated with connecting two-stage ...

Parity-violating electron scattering measurements on hydrogen and deuterium, such as those underway at the Bates and CEBAF laboratories, require luminosities exceeding 10{sup 38} cm{sup -2} s{sup -1}, resulting in large beam power deposition into cryogenic liquid. Such targets must be able to absorb 500 watts or more with minimal change in target density. A 40 cm long liquid ...

Availability of defect-free masks is one of the most critical issues for enabling EUV lithography. Among others, multilayer phase defects embedded in EUV blanks are primary concern because multilayer defects as low as 2nm are expected to be printable. Therefore, thorough understanding of defect printability through experiments is anticipated to derive critical sizes of ...

During the winter of 1979-80 the performance of a variety of passive solar heating configurations in 14 passive test cells were monitored. The cells included attached greenhouses, masonry and water walls with black-chrome absorber surfaces, night insulation, and phase-change thermal storage walls. The results of these side-by-side ...

Design and analysis effort is required to initiate development of the Hydraulically Supported Absorber Ball ISS for advanced LMFBR's. Therefore, parametric evaluations are necessary through testing in a realistic hydraulic environment and physical envelop...

The collimation based on bent crystals represents an opportunity to increase the cleaning efficiency and reduce the beam impedance in high energy accelerators, starting from LHC, whose luminosity is now limited (at the 40% of the nominal value) by the collimation system. The basic idea of the crystal based collimation is to replace the amorphous primary collimator with a silicon bent crystal able ...

The Mucool hydrogen absorber program will be presented. An update of current projects will be described, and the next year's plan will be reviewed, along with efforts in collaboration with the Muon International Cooling Experiment.

Absorbing aerosols and summer monsoon evolution over South Asia: An observational portrayal ... Meteorology & Atmospheric Sciences, INDIAN-OCEAN EXPERIMENT, ...

Tests were conducted in the Sodium Reactor Experiment (SRE) to obtain temperature and neutron flux measurements that were required for calculating the heat generation rates and thermal conductivity of rare earth oxide control elements that are proposed for use in the Hallam Nuclear Power Facility. The maximum delta T on a horizontal plane between ...

This report presents the results of recent experiments on the direct absorption receiver (DAR) concept using molten salt as the working fluid. These experiments were aimed at determining whether the DAR concept is technically feasible and were carried out at the Advanced Components Test Facility, Atlanta, Georgia. Results are based on ...

The use of cryogenically cooled monochromators looks to be a very Promising possibility for the Advanced Photon Source. This position has recently been bolstered by several experiments performed on beamlines at the ESRF and CHESS. At the ESRF, several crystal geometries have been tested that were designed for high power densities (> 150 W/mm{sup 2})and ...

This article presents the experimental implementation and results of a hybrid passive/active absorber (smart foam) made up from the combination of a passive absorbent (foam) and a curved polyvinylidene fluoride (PVDF) film actuator bonded to the rear surface of the foam. Various smart foam prototypes were built and tested in active ...

An abbreviated description of the Solar Central Receiver Thermal Power System-Receiver Subsystem based on the requirements for that subsystem is presented. The methods of verifying the ability of the Receiver Subsystem to meet the requirements are described and consist of test, analysis, experience, and simulation. The requirements which will be verified ...

... ABSORPTION, ACOUSTIC MATERIALS, ACOUSTIC REFLECTION, WATER TANKS ... TEST FACILITIES, EQUIPMENT AND METEORS ACOUSTICS. ...

Work is now in progress to design and fabricate europia (Eu$sub 2$O$sub 3$) control rods for irradiation testing in one of the early operating cycles of the Fast Test Reactor (FTR). These tests will provide data for evaluating europia as a possible control rod absorber material in fast reactors. Prediction ...

This research investigated methods of absorbing blast sound, including the development of analytical theories, numerical simulations, laboratory experiments, and a field trial. Prior to this research, no theory existed for the design of sound-absorbing su...

The performance of several beamlike dynamic vibration absorbers is analyzed and, in one case, confirmed by experiment. The dynamic absorbers are employed to suppress the transmissibility at resonance across a simple mass-spring vibrator, a stanchion, and ...

Absorption phenomenon of ammonia vapor into ammonia water solution has been investigated experimentally, by inserting superheated ammonia vapor into a test cell containing a stagnant pool of ammonia water solution. Before commencing the experiment, the pressure in the test cell corresponds to the equilibrium vapor of the ammonia-water ...

... federally funded research, testing and training ... TESTS, SHOCK WAVES), (*TEST EQUIPMENT, DROP TESTS), SHOCK ABSORBERS ...

Two constructions of microfluidic structures are described in this paper. A fiber optic chemical coupler and a microcell for spectrophotometric measurements were designed and tested. The structures were made of polymer optical fibers (PMMA) which were incorporated into polymeric material i.e. poly(dimethylsiloxane). The structures were tested as detectors ...

An approximate algorithm is tested for solving the problem of diffusion optical tomography in experiments on the visualisation of details of the inner structure of strongly scattering model objects containing scattering and semitransparent inclusions, as well as absorbing inclusions located inside other optical inhomogeneities. The ...

In this investigation, students have seen that liquids absorb into different surfaces and combine with water in characteristic ways. There is a downloadable activity sheet that will be very helpful to educators, and will help students stay on track. An assessment sheet is also available on the activity page to keep track of students progress. There is also a step by step guide ...

electromagnetic calorimeter [3] is com- posed by 22 layers of tungsten absorbers, interleaved with 44 layers identification efficiency and the proton contamination) as obtained from the PS and SPS beam tests, compared be achieved by keeping the hadron contamination well below 10�5 . This performance will allow to identify

It is shown that even normally incident laser light will be resonantly absorbed near the critical density surface when there are self-generated DC magnetic fields. Theoretical estimates for the coupling mechanism, saturation amplitudes, and absorption are given and tested in computer simulations for parameters characteristic of some recent laser-plasma ...

An approximate algorithm is tested for solving the problem of diffusion optical tomography in experiments on the visualisation of details of the inner structure of strongly scattering model objects containing scattering and semitransparent inclusions, as well as absorbing inclusions located inside other optical inhomogeneities. The ...

One proposed solution to counteract greenhouse warming is the stimulation of phytoplankton growth in the oceans by the addition of iron. The excess phytoplankton would then absorb CO[sub 2] and sequester it in their bodies when they died. An experiment to test this hypothesis was carried out in the equatorial Pacific. Addition of Fe ...

In this experiment, students will observe two model atmospheres: one with normal atmospheric composition and another with an elevated concentration of carbon dioxide. These two contained atmospheres will be exposed to light energy from a sunny window or from a lamp. The carbon dioxide is produced by a simple reaction and tested using bromothymol blue ...

Gypsum wallboard was shown to absorb formaldehyde in a prototype house and in a measuring chamber, as reported previously by researchers at Oak Ridge National Laboratory (ORNL). Also as reported previously, formaldehyde concentrations attained equilibrium in two phases in response to a change in the air exchange rate or to the removal of the formaldehyde source. A rapid ...

A superconducting magnetic-energy-storage (SMES) unit is suitable for power-system stabilization because it can provide positive damping by absorbing or releasing energy with a relatively fast response time, 10 ms. In the fall of 1982, an SMES unit was installed at the Tacoma Substation of the Bonneville Power Administration as an experiment in monitoring, ...

The first of the two LHC transfer lines was commissioned in autumn 2004. Beam reached an absorber block located some 2.5 km downstream of the SPS extraction point at the first shot, without the need of any threading. The hardware preparation and commissioning phase will be summarized, followed by a description of the beam tests and their results regarding ...

The objective of this study was to examine to test the relationship between net ecosystem fluxes and absorbed photosynthetically active radiation (PAR) as a method of estimating production at regional scales from field-scale data. The Soil Moisture Experiment 2005 was conducted in Walnut Creek Water...

Ionization cooling will be a key technique for a high-intensity Neutrino Factory or Muon Collider. The Muon Ionization Cooling Experiment (MICE) is a high-precision, staged accelerator experiment being performed at Rutherford Appleton Laboratory in the UK. Its goal is the first demonstration, with 0.1% resolution, of the feasibility of reducing the ...

Ionization cooling will be a key technique for a high-intensity Neutrino Factory or Muon Collider. The Muon Ionization Cooling Experiment (MICE) is a high-precision, staged accelerator experiment being performed at Rutherford Appleton Laboratory in the UK. Its goal is the first demonstration, with 0.1% resolution, of the feasibility of reducing the ...

The acoustics of combustion chambers and the interaction of acoustics and combustion is investigated in a model combustor operated with LOX/H2 and LOX/CH4. Acoustic excitations are induced by a siren during hot fire tests and the response of atomization and combustion is recorded with dynamic pressure sensors and high speed OH-imaging is applied. By analyzing the temporal and ...

It is stated that in a recent experiment (Partridge, Nature 244: 263 (1973)) a null result was found, to 1 part in 10s, for the effect of a local absorber as the power emitted by a sourc. This result was interpretcd in the framework of absorber theor as setting some constraints on the absorptive properties of the Universe. ...

The work within this contract on reliability tests are split into an experimental part and a part on setting up test procedures. The experimental part is concentrated on pressure and leak tests of metallic absorbers and plastic absorbers. Also work on hai...

... the DTIC Online Public Web site. ... review the Material Safety Data Sheet (MSDS) for the ... HYDRATES, ABSORBERS(MATERIALS), WOUNDS AND ...

... was to develop saturable absorber materials for Q-switching neodymium lasers emitting at ... In addition to the above tests, this dye solution was also ...

... outdoor reflector is subject to thermal and wind loads that ... indicated that either multiple, short, absorbing fences or a single absorbing fence with a ...

A lightweight energy-absorbing keel-beam concept was developed and retrofitted in a general aviation

The most important startup tests consisted of progressive replacement experiments, which made it possible to perfect the methods of calculation for G2 and EDF1; fixed absorber and control rod-tests. Through the operation of G2 and G3, a better adjustment of the reactivity balance under power was achieved, ...

The objective of this experiment was to demonstrate electrical power generation using a small free-piston Stirling engine and linear alternator in conjunction with a parabolic solar collector. A test bed collector, formerly used at the JPL Table Mountain Observatory, was renovated and used to obtain practical experience and to ...

A method for measuring the optical extinction coefficient for absorption, the Integrating Plate Method (IPM), was validated in laboratory and field tests. The absorption cross sections for single sized particles of methylene blue, large enough to the opaque, were compared with calculated cross sections for particles of the same size. Field tests were ...

Noise reduction efforts undertaken with the RB 183-555-15H turbofan on the new F28 aircraft are described. Experiments were performed with jet noise suppressors and acoustic liner designs. Vibration absorbers were installed in the cabin walls. The suppressors were examined with a H2O2-fuelled model in a test facility, leading to ...

... Cyclic torsion tests with no axial stress were also conducted on these metals. The results of these cyclic torsion tests without ...

An evaluation is made of the experimental results obtained in the 720B airliner flight crash testing

... Title : Design, Fabrication and Testing of an Airdrop Platform Utilizing Airbags as Shock Absorbers. Descriptive Note : Final rept. ...

... These compounds were tested for uniformi y, adhesion to ... COMPOUNDING TECHNIQUES FOR ... Aluminum Test Panels - Two 24" x 24" aluminum ...

The absorption of cholesterol has been studied in man by perfusing the upper jejunum with a micellar solution of bile salt, 1-monoglyceride, and cholesterol-¹⁴C, with a triple lumen tube with collection sites 50 cm apart. The absorption of micellar components between the collection sites was calculated from their concentration changes relative to those of the watersoluble ...

Wheel/rail noise measurements were performed to assess the effectiveness of wheel and rail vibration absorbers for reducing wayside noise. The project included procurement and installation of wheel vibration absorbers on Bochum 84 and 54 resilient wheels ...

Several types of energy absorbers were tested on a sled simulating a crash deceleration using instrumented, seated erect dummies and cadavers. Constant load level energy absorbers were found to be unattractive because they can easily 'bottom out' causing ...

A damped vibration absorber, similar to that previously installed in HMAS Balikpapan, has been fitted to HMAS Brunei. A series of tests, conducted on the latter ship, to determine the characteristics of the absorber and to provide an initial tuning guide,...

When performing a safety assessment of a transport flask with balsa-filled shock absorbers it is important to know how the shock absorbers, which may have the outer skin punctured by an impact, will perform in a fire. A 30 minute pool test, which satisfie...

In this report, we describe a diagnostic system that is being utilized to evaluate the condition of armored vehicle shock absorbers. We begin by providing the motivation behind the development of the smart shock absorber test stand (SSATS). We then descri...

A conceptual study was performed to investigate the impact response of a crushable energy absorber for a passive Earth entry vehicle. The spherical energy-absorbing concept consisted of a foam-filled composite cellular structure capable of omni-directiona...

Design, characterization, and selected applications of a novel electron detector dedicated to conventional perpendicular- and low-angle-incidence conversion electron M�ssbauer spectroscopy are presented. The setup is suitable for varying the incident angle and external magnetic fields on M�ssbauer source and absorber. Test ...

Design, characterization, and selected applications of a novel electron detector dedicated to conventional perpendicular- and low-angle-incidence conversion electron M�ssbauer spectroscopy are presented. The setup is suitable for varying the incident angle and external magnetic fields on M�ssbauer source and absorber. Test ...

A research program, funded by the Consolidated Fuel Reprocessing Program (CFRP) of Oak Ridge National Laboratory (ORNL), was initiated at Battelle Pacific Northwest Laboratory (PNL) to acquire experimental data on heterogeneous water moderated arrays of Fast Test Reactor (FTR) fuel pins. The objective of this program is to provide critical experiment data ...

A small pulsed thermal neutron source has been designed based on results of the MCNP simulations of the thermalization of 14 MeV neutrons in a cluster-moderator which consists of small moderating cells decoupled by an absorber. Optimum dimensions of the single cell and of the whole cluster have been selected, considering the thermal neutron intensity and the short decay time ...

The Holcomb Station dry flue gas desulfurization system has been operational since May, 1983. The lime based system, consisting of three spray drying absorbers and two baghouses, has met all regulatory compliance requirements and contractual guarantee values. Some serious operational problems were encountered during the startup of this system. This paper discusses these ...

... far fewer considering test and experiment similar. ... between testing and experimenting; tying tests to the acquisition process and experiments to the ...

... Developed from federally funded research, testing and training ... Feasibility Test - Short Range Measurements Aberdeen Test Center, MD. ...

This report presents a description of the tests performed to determine the spring dimensional and load/compression characteristics of the Hawk launcher shock absorber spring and their results. (Author)

This report summarizes performance evaluation tests on a variety of commercially available thin flexible sheet type radar absorber materials, including both resonant and non-resonant types. A corner reflector test technique was used which allowed test and...

... AD-A265 557 Markov Chains for Random Urinalysis i1: Age-Test Model with Absorbing State ... Age-Test Model With Absorbing State ...

Page 1. ERDC/CRREL TR-07-3 Blast Absorber Feasibility Test� Short Range Measurements Aberdeen Test Center, MD 13�17 June 2005 ...

Polylactide-l test rods showed an initial stability of 130 N/mm2 in the three-point bending test; the stability decreased after implantation in the dorsal muscle of the rat within 5 weeks to about half the initial value. The copolymer materials showed less initial strength, and the stability decreased under the same conditions much earlier. All materials ...

The methods determining the superficial absorbed dose distributions in a water phantom by experiments and available theories are reported. The distributions of beta dose were measured by an extrapolation ionization chamber at definite depths corresponding...

Symmetric capsule implosions in the double-ended vacuum hohlraum (DEH) on Z have demonstrated convergence ratios of 14-21 for 2.15-mm plastic ablator capsules absorbing 5-7 kJ of x-rays, based on backlit images of the compressed ablator remaining at peak convergence [1]. Experiments with DD-filled 3.3-mm diameter capsules designed to ...

This report describes the progress made on the design of the cryogenic cooling system for the liquid absorber for the international Muon Ionization Cooling Experiment (MICE). The absorber consists of a 20.7-liter vessel that contains liquid hydrogen (1.48 kg at 20.3 K) or liquid helium (2.59 kg at 4.2 K). The liquid cryogen vessel is ...

The SABLE experiment investigated the ability of phase-conjugate adaptive-optics to compensate strong thermal blooming and turbulence encountered during atmospheric propagation of a high-power laser beam. The experiments utilized a 10 kW hydrogen fluoride laser, selected because its spectrum is strongly absorbed by the atmosphere. ...