absorbed glass mat batteries, representing the state-of-the-art in lead acid battery technology. When the capacitors are used for energy storage, ...
NASA Website
The developments leading to sealed electric batteries are briefly reviewed. The breakthrough in the lead-acid system came in two forms: Gel technology and Absorbed Glass Mat (AGM) technology. These two technologies are compared in terms of applications and future prospects.
Energy Citations Database
in automo- biles. The sealed version is used in most types of portable equipment. Other names for sealed batteries are absorbed glass mat, valve regulat- ed lead acid, and gel....
National Renewable Energy Laboratory (NREL)
... ADD434822. Title : The Effect of Glass Mat Reinforcement Variables on the Corrosion Resistance of Laminates,. Corporate Author : ...
DTIC Science & Technology
... Abstract : The effects of fillers (anthracite, calcium carbonate, clay, or alumina) in the resin of fiberglass mat reinforced phenolic laminates on their ...
A method and apparatus for determining the instantaneous state-of-charge of a battery in which change in composition with discharge manifests itself as a change in optical absorption. In a lead-acid battery, the sensor comprises a fiber optic system with an absorption cell or, alternatively, an optical fiber woven into an absorbed-glass-mat battery. In a lithium-ion battery, ...
DOEpatents
Suzuki batteries The '96 to present Suzuki DR650SE comes from the factory with a Yuasa YTX9BS battery. This is a highquality AGM (absorbed glass mat) type battery, which is sealed and maintenance free. AGM batteries last much longer than conventional floodedcell batteries in normal service
E-print Network
... Abstract : Random glass mat reinforced thermoplastics (GMT) which comes in the form of thermoplastic sheets containing nonwoven random ...
... or compression molding of thermoplastic glass reinforced composites were studied ... by weight random glass mat filled polypropylene were analyzed ...
The present absorbent glass mat separate is an offspring of the filtration medium and special paper industries. In these industries, the traditional method of manufacturing micro-glass mats, was to blend two or more types of fibers together in an aqueous acidic solution and deposit this blend ...
A solar panel including photovoltaic cell encapsulated in a silicone resin, in which the base member to which the silicone resin adheres is a glass mat polyester in laminate or molded form.
A solar panel is described including photovoltaic cells encapsulated in a silicone resin, in which the base member to which the silicone resin adheres is a glass mat polyester in laminate or molded form.
A method and apparatus for determining the instantaneous state-of-charge of a battery in which change in composition with discharge manifests itself as a change in optical absorption. In a lead-acid battery, the sensor comprises a fiber optic system with an absorption cdl or, alternatively, an optical fiber woven into an absorbed-glass-mat battery. In a lithium-ion battery, ...
DOE Information Bridge
... FOR GOOD ABSORBING MATERIALS IN ULTRASONIC TEST TANKS ... AND REFLECTION ON NEOPRENE, PARAFFIN WAX, RUBBER CAR MAT ...
relation to provide a multicell battery with electrolyte and separator plates providing an ..... glass mat 48, the overall configuration of the positive ...
A normally sealed lead-acid cell of the oxygen recombination type is described comprising a cell housing, in which is disposed at least one porous pasted positive electrode plate made from a thixotropic paste, at least one porous pasted negative electrode plate made from a thixotropic paste, a multilayer absorbent porous separator interleaved between the opposite polarity ...
... Abstract : The laminated polyester plate reinforced by more than one kind of glass reinforcement is often used in machine parts and ships. ...
... Title : Metallized Glass Fiber: The Long and Short of Conductive Plastics,. ... The product, RoMHOglas Conductive Mat, (RCM) is discussed. ...
... 1962 II rr7 Hf ~ I) ~ MAT1ERIAI~ (LASS CLOTH REINFORCED PLASTICS- ... DATE 7-26-60 MATERIAL - GLASS CLOTH REINFORCED PLASTICS ...
... Applications considered include epoxy-matrix composite materials reinforced with chopped glass, continuous glass fibers, carbon-fiber mat as well ...
... While the RP/C industry has been concentrating on white glass fibers, the decorative curtain and drapery mills have penetrated 30% of their total ...
... Metals and Metal Mat Composite Cermets Non-Meta Plastics Rubbers Glass ... Metal Matrix Composites Cermets Non-Metals Plastics Rubbers Glass ...
Techniques for applying a fiber glass mat / mechanical fastener covering system under varying conditions of disrepair are described. Results of system field tests are reported. The Fiber Glass Mat Covering System consists of a wall repair technique that u...
National Technical Information Service (NTIS)
The laser beam dump is positioned in a housing. An absorbing glass plate means is operatively connected to the housing. A heat sync means for extracting heat from the absorbing glass plate means is operatively connected to the housing and operatively connected to the absorbing ...
... Title : Bonding Solar Selective Absorber Foils to Glass Receiver Tubes for Use in Evacuated Tubular Collectors: Preliminary Studies,. ...
The mechanical properties of sandwich constructions for F27 leading edges provided with faces of different glass fabric combinations were investigated. Three-point bending tests were carried out on sandwiches built up with glass fabric. No significant dif...
Recently glasses containing polarizable ions have received considerable attention because of the possibility of their use as fast photonic switching media. While the nonlinear index of refraction n(sub 2) of these glasses is not as large as with other mat...
The objective of this study was to determine the effect of microwave processing on nuclear waste glass properties. Several experiments were carried out using microwave heating techniques using borosilicate glass frit containing simulated nuclear waste mat...
Proposed here is a method of measuring the state of charge of lead-acid batteries based on the assumption that the addition of sulfuric acid to water will reduce the optical absorption at certain absorption peaks of pure water. This reduction is expected to result from the accompanying drop in the concentration of water molecule. Measurements of the absorption in the vicinity of 0.97, 1.20, and ...
NASA Astrophysics Data System (ADS)
The adhesive strengths of glass fiber reinforced plastics/metal adhesive joints reinforced with glass mat under tensile shear loads and tensile loads were investigated analytically and experimentally. First, the stress singularity parameters of the bonding edges were analyzed by FEM for various types of adhesive joints reinforced with ...
An improved selective absorber on a glass substrate having high solar absorption and low infrared emission. The selective absorber on a glass substrate includes an electrically conducting layer of silver metal having a thickness on the order of 0.1 microns, and an absorbing layer of either ...
The report describes results of an investigation conducted to evaluate an experimental, commercially fabricated, plastic landing mat designated the T13. It is a sandwich structure made of glass-fabric-reinforced phenolic resin honeycomb core bonded top an...
In NOVA, the edges of the laser amplifier disks must be cladded with a few millimeters of absorber glass. This absorber glass is doped to absorb amplified spontaneous emission which would be parasitic to the desired amplification. The processing of the po...
Weapon System Pollution Prevention. " Uninterruptible Power Supplies (UPS). " Utilize Valve Regulated Lead Acid (VRLA) absorbed mat batteries ...
spective positive and negative battery terminals (104, ..... a glass mat. 5. A battery according to claim 3 wherein said light- ...
... chopped fibers) Fiber glass - Silicate network with calcium sodium, ... to hold mats & filaments together) Polyvinyl acetate emulsions ... water molecule. ...
... Title : New Applications Of Acrylic/FRP Composites For The Transportation Industry,. ... acrylic sheet with polyester resin and fibrous glass mat under ...
In the battery charger, the switched-mode power conditioning system utilizes ... and glass mat coatings will be used to reduce the exposure of insulating ...
... It was found that polyester glass insulation material meeting the requirements of MIL-M-14G Type MAT-30 will provide reliable service when used ...
S2-glass/epoxy laminate with embedded ceramic tiles that serve as armor. The tiles are bonded to a rubber mat with a carefully selected, highly viscoelastic ...
A method of welding and sealing the edges of two juxtaposed glass sheets together to seal a vacuum space between the sheets comprises the steps of positioning a radiation absorbent material, such as FeO, VO{sub 2}, or NiO, between the radiation transmissive glass sheets adjacent the edges and then irradiating the ...
A method of welding and sealing the edges of two juxtaposed glass sheets together to seal a vacuum space between the sheets comprises the steps of positioning a radiation absorbant material, such as FeO, VO.sub.2, or NiO, between the radiation transmissive glass sheets adjacent the edges and then irradiating the ...
On the number of metastable states in spin glasses Giorgio Parisi and Marc Potters \\Lambda of the number of metastable states in spin glasses can be obtained by calculating the partition function with m�Kirkpatrick model, but we expect them to apply to all mean�field spin glasses. cond�mat/9506049 \\Lambda ...
This is a course Web page for an Iowa State University Senior level class. Mat E 423. Glass Science and Engineering. Included are lecture notes, laboratory exercises, links to homework solutions and exams. Lectures include a broad range of topics including composition, structure, properties manufacturing and uses of inorganic glasses, ...
NSDL National Science Digital Library
A hydrogen absorbing composition. The composition comprises a porous glass matrix, made by a sol-gel process, having a hydrogen-absorbing material dispersed throughout the matrix. A sol, made from tetraethyl orthosilicate, is mixed with a hydrogen-absorbing material and solidified to form a porous ...
A hydrogen absorbing composition is described. The composition comprises a porous glass matrix, made by a sol-gel process, having a hydrogen-absorbing material dispersed throughout the matrix. A sol, made from tetraethyl orthosilicate, is mixed with a hydrogen-absorbing material and solidified to form a porous ...
In certain cases it may be desirable to fluorescently pump a neodymium doped laser glass rather than directly excite the laser glass with the light from a flashlamp. That is, the flashlamp energy is first absorbed in a fluorescent material which then reem...
Glass exhibits a large variation of transmission in the wavelength range of the HF chemical laser. Several laser lines are absorbed in-depth, allowing for bulk heating of the glass. The variation of the transmission with the thickness of the glass shows t...
In this paper, the use of solar control glass for automobiles is examined from the viewpoint of desired optical properties and the test procedures now used to evaluate these glasses. Comparisons are made between low solar transmitting highly absorbing, tinted glasses to low solar transmitting, low ...
A method is presented for rendering glass nonfogging (to condensation for) by sandwiching the glass between two electrodes such that the glass functions as the dielectric of a capacitor, a large alternating current (ac) voltage is applied across the electrodes for a selected time period causing the glass to ...
A method for rendering glass nonfogging (to condensation fog) by sandwiching the glass between two electrodes such that the glass functions as the dielectric of a capacitor, a large alternating current (AC) voltage is applied across the electrodes for a selected time period causing the glass to ...
... The terbium ions act as the luminescence centers in the glass, converting energy absorbed from x-rays into visible radiation. ...
Nov 13, 2007 ... Glass Munchers under the Sea ... The team believes that the bacteria obtain energy and nutrients by absorbing silica in the glass. ...
Black Nickel Coated Aluminum Absorber - One and Two Glass ...... chrome or black -nickel coating might be offset by avoiding the need for tem- pered glass. ...
Engineers are increasingly faced with the need to rehabilitate tank bottoms to conform to federal and local regulations. The application of glass mat-reinforced linings is a widely accepted solution to this problem. In this article, which is written in the form of a technical specification, the author has made available his considerable experience in the ...
Up to 50% of the asphalt now used in glass-mat shingles may be replaceable by increasing the mineral filler content and/or extending the asphalt with elemental sulfur. Highly filled, lab-made shingles containing asphalt flux perform acceptably in fire tes...
The commercial success of reaction injection molding (RIM) has led to concepts using high-pressure dispense units to mold high-performance polymers. One method of meeting high-temperature, high-modulus performance requirements is to reinforce the polymers with long glass fibers that are placed in the tool. This paper evaluates the performance of two different resin systems, a ...
The coating of the microporous separators of lead storage batteries with a highly porous glass wool mat on the side facing the negative electrode plates promotes the electrolyte exchange at these plates and also counteracts the tendency toward crumbling and toward the formation of spongy lead (mossing). The glass wool ...
1 ENG 4793: Composite Materials and Processes 1 Glass Mat Reinforced Recycled Thermoplastics ver 1 ENG 4793: Composite Materials and Processes 2 Outline � Motivation � Recycling issues � Why reinforce? � GMRT properties � Commercialization � Applications ENG 4793: Composite Materials and Processes 3
Infrared absorbance spectra were obtained from dry Beryllium fluoride glass surface and from the same surface after exposure to moist air. No absorbance resulted from the dry surface, but an intense broad, structured contour, with a maximum near 3170 wave...
A glass heat pipe is adapted for use as a solar energy absorber in an evacuated tube solar collector and for transferring the absorbed solar energy to a working fluid medium or heat sink for storage or practical use. A capillary wick is formed of granular...
Various compound parabolic concentrator (CPC) configurations are discussed, and the application of glass technology to CPC designs is discussed. CPC designs with flat absorbers, cylindrical absorbers, evacuated receivers, and evacuated tube receivers are ...
... An elongate glass tube containing a small amount of granular absorbent material held between quartz fiber plugs is coupled to receive the gas ...
Combination of soluble particles and absorbed solvents cause polymer cracking. New failure mechanism
NASA Technical Reports Server (NTRS)
... Materials evaluated were plastic, glass, and metal inner containers; cotton and vermiculite absorbent cushioning materials; and metal and ...
In the present paper the environmental impact of biocomposites and bio-sandwich materials production are evaluated, using simplified Life Cycle Analysis (LCA) following the procedure recommended in the ISO 14044 standard. The materials are dimensioned and evaluated by comparing with reference materials, glass mat reinforced unsatured polyester and ...
The feasibility of using two cheap packed bed absorbers for solar air heaters have been investigated. The absorbers consist of iron shavings and iron wires. Both of these materials are available in abundance as scrap and are extremely cheap. Two solar air heaters using these materials for absorber were fabricated and their performance ...
Design of a glass vacuum-insulated solar heat collector for heating and cooling of buildings is discussed. Results from this study indicate that glass collectors evacuated to 1/4-Atm can compete on an area basis with conventional non-selective absorber metal collectors; however, to compete with selective absorber ...
Design of a glass vacuum-insulated solar heat collector for heating and cooling of buildings is discussed. Results from this study indicate that glass collectors evacuated to 1/4-Atm can compete on an area basis with conventional non-selective absorber me...
Proposed here is a method of measuring the state of charge of lead-acid batteries based on the assumption that the addition of sulfuric acid to water will reduce the optical absorption at certain absorption peaks of pure water. This reduction is expected to result from the accompanying drop in the concentration of water molecules. Measurements of the absorption in the vicinity of 0.97, 1.20, and ...
A laser assembly and a novel glass laser disc having an annular lead borate glass coating for use in the assembly is disclosed, the annular coating being capable of absorbing energy at a wavelength of 1.06 microns to thereby absorb parasitic oscillations. The outstanding glass coating has an ...
A solar energy absorber, including a tubular absorber surface through which a fluid passes for transferring thermal energy layer is vacuum or air for minimizing thermal energy losses through convection. A clear liquid passes between two intermediate layers of glass for transferring, by means of conduction, the thermal energy ...
A variety of calorimeters have been developed for measuring ions, x-rays, and scattered radiation emanating from laser-pulse-imploded fusion targets. The ion and x-ray calorimeters use metal or glass absorbers to reflect or transmit most of the scattered laser radiation; the versions using metal absorbers also incorporate a ...
This paper details the impact of protonic doping via humidity exposure on the response mechanism of electrospun polyaniline based NO2 sensors. Sensing test results reveal that water vapor absorbed into the electrospun mat and adsorbed on LEB-PANI can perform as a primary charge carrier for polyaniline.
An investigation was conducted to alleviate the possibility of premature initiation or change in reliability of an electro explosive device (EED) due to radio frequency (RF) energy. This was accomplished by substituting a plug composed of RF absorbing mat...
A SrO-Al2O3-2SrO2 (SAS) glass ceramic matrix is reinforced with CVD SiC continuous fibers. This material is prepared by casting a slurry of SAS glass powder into tapes. Mats of continuous CVD-SiC fibers are alternately stacked with the matrix tapes. This ...
A composition for a glass fiber insulation is described comprising a loose mat of glass fibers having at least a portion of the surface coated with a water insoluble, non-hygroscopic, amorphous aluminum phosphate polymer having a molar ratio of Al[sub 2]O[sub 3] to P[sub 2]O[sub 5] of less than 1 and providing a substantial thermal ...
Neutron-absorbing materials for shielding components are manufactured by sintering barite or monazite with lead oxide (Pb/sub 3/O/sub 4/) and glass powder at 700 to 900 deg C under a pressure of 400 to 650 kg/cm/sup 2/. Sodium glass, borate glass, and phosphate glass can be used. (EURATOM)
A lead-barium-aluminum phosphate glass has been prepared by a wet chemical process. The phosphate glass exhibits high transmission in the visible region of the spectrum and into the mid-infrared and can strongly absorb in the ultraviolet at wavelengths of less than 344 nm. In addition, the glass has a relatively ...
This article concerns the mechanical response of random glass fiber strand swirl-mat/urethane matrix composite under static and cyclic loads as well as under elevated temperatures. The article presents an extensive amount of experimental data as well as predictions based upon a coupled damage/viscoelastic constitutive formulation generated specifically to ...
Large neodymium glass laser disks for disk amplifiers such as those used in the Nova laser require an edge cladding which absorbs at 1 micrometer. This cladding prevents edge reflections from causing parasitic oscillations which would otherwise deplete the gain. Nova now utilizes volume-absorbing monolithic-glass ...
This patent describes large neodymium glass laser disks for disk amplifiers such as those used in the Nova laser. They require an edge cladding which absorbs at 1 micrometer. This cladding, described in this patent, prevents edge reflections from causing parasitic oscillations which would otherwise deplete the gain. Nova now utilizes ...
A solar collector includes (1) an outer glass plate and an intermediate glass plate maintained in spaced relation by a first spacer assembly and (2) a solar energy absorber maintained in spaced relation to the intermediate cover plate by a second spacer assembly and a layer of thermal-insulating material, e.g., cork. The layer of cork ...
In NOVA, the edges of the laser amplifier disks must be cladded with a few millimeters of absorber glass. This absorber glass is doped to absorb amplified spontaneous emission which would be parasitic to the desired amplification. The processing of the polymer for thin bondline cladding ...
The disclosed invention relates to a solar energy collector in a conversion system. The collector is made from common glass tubing lengths of different diameters and comprises a first outer clear glass cylindrical tube closed at one end, and a glass absorber tube inside the first tube having an energy ...
for T = 5. The solid lines show the exact predicted behaviour. The agreement between both results behaviour of the system is in qualitative agreement with mean field predictions. At high temperatures finite parameter for D = 8; 9 and 10 shows clear evidence of the presence of a spin glass phase at low temperatures
A quasi-bipolar lead-acid battery construction includes a plurality of bipolar cells disposed in ..... a Dexter-type glass mat separator. By way of example, ...
The purpose of this research was to investigate the effectiveness and durability of GFRP bars as reinforcement for concrete decks. Today's rapid bridge deck deterioration is calling for a replacement for steel reinforcement. The advantages of GFRP such as...
A method is given for manufacturing tubular centrifuge bodies, comprising the impregnation of a cylindrical mat of glass fibers with a hardening liquid synthetic resin in a rotating mold. Pressure is exerted on the inner wall of the cylinder by means of an inflatsble bag, and the mold is kept in rotation until the resin has set. (NPO)
mulation of flaked lead compounds at the battery bot- tom, since their downward movement was blocked by. 35 the glass mat containing the electrolyte placed ...
The use of GFRP bars as reinforcement for concrete is still a relatively new technology, and more information about the behavior of GFRP is needed to safely design a bridge deck with GFRP bars. This project is the first in a series of three projects spons...
The manual provides hydraulic design methods for various types of flexible channel linings. The permanent linings include vegetation and dumped rock riprap. The temporary linings are fiber glass roving, jutemesh, excelsior mat, and erosionet. Properly des...
... Report Date : 11 FEB 1980. ... Static and fatigue tests were conducted at various principal stress ratios (R) between plus and minus 1.0 and minus 1.0. ...
... of Bcl-2 as necessary to form the photosensitive target. However, it is not clear how Bcl- ... 2 mutants, cells were plated on 35 mm glass-bottom dishes (MatTek Corp., Ashland, MA) and incubated ... ...
NBII National Biological Information Infrastructure
A number of companies were surveyed for non-woven glass mat product. ... $1.10 per pound, which works out to $0.05 per sq. ft.; and battery ...
The considered collector utilizes a material made of ethylene-propylene-diene-monomer (EPDM). This material has been used in solar systems to heat domestic water, pools, spas, and homes by radiant energy. EPDM or ethylene propylene rubber compounds are synthetic elastomers. EPDM elastomers combine superior ozone, good heat and oxygen resistance, and very good low temperature properties to produce ...