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1
Stennis Image Retrieval System - Stennis Space Center - NASA

Keywords: A-3 Test Stand; CSG; chemical steam generator; ... Steam generated by the nine CSG units that will be installed on the A-3 stand will create a ...

NASA Website

2
Topping Out - NASA

With the placement of the test cell dome atop NASA's new A-3 Test Stand at the ... The stand will use a series of chemical steam generators to create a vacuum ...

NASA Website

3
A-3 Test Stand to Mark Several Construction Milestones in 2010 - NASA

Jan 4, 2010 ... The test cell and diffuser will enable operators to simulate altitudes of up to 100000 feet, using a series of chemical steam generators to ...

NASA Website

4
A-3 Test Stand facts II.indd - NASA

The simulated altitudes will be generated by using a network of chemical steam generators to reduce pressure within the stand's engine test cell, ...

NASA Website

5
Steam Vapor Cleaning Ejection Seat Frames and ...
2003-03-19

... as in conventional steam boilers. ... WITH WHATEVER CHEMICAL DECONTAMINANT MAY ... LIQUID DECONTAMINATION CHEMICALS WHICH ...

DTIC Science & Technology

6
NRC (Nuclear Regulatory Commission) Integrated Program for the Resolution of Unresolved Safety Issues A-3, A-4, and A-5 Regarding Steam Generator Tube Integrity.
1988-01-01

The report presents the results of the NRC integrated program for the resolution of Unresolved Safety Issues (USIs) A-3, A-4, and A-5 regarding steam generator tube integrity. A generic risk assessment is provided and indicates that risk from steam genera...

National Technical Information Service (NTIS)

7
Understanding and Protecting Our Home Planet

Cost Plus Incentive Fee Award Term (CPIFAT) Contract ... A-3 Test Stand Water and Steam Piping ... Refurbish Test Stand Fire Main Systems ...

NASA Website

8
Stennis Image Retrieval System - Stennis Space Center

Engineers will generate nearly 4600 pounds per second of steam to reduce pressure inside A-3's test cell to simulate altitude conditions. ...

NASA Website

9
A-3 Test Stand Construction Moves Forward with Tank ... - NASA

Oct 1, 2009 ... Steam produced by the generators will be used to reduce pressure inside the test cell diffuser, allowing operators to simulate altitudes up ...

NASA Website

10
Water Efficiency Best Management Practices and NASA Water

BMP 8 Boiler/Steam Systems. " Develop routine inspection of steam traps and steam lines. " Optimize cycles of concentrations and chemical treatment ...

NASA Website

11
CHEMICAL CLEANING MATERIALS AND PROCESSES FOR ...
1964-07-09

... and the inherent problems of steam boilers are avoided. ... on a few relatively simple chemicals, the additives used to improve the chemical action can ...

DTIC Science & Technology

12
Design and Activation of a LOX/GH Chemical Steam Generator

The purpose of this paper is to give a detailed description of the design and activation of the LOX/GH fueled chemical steam generator installed in Cell 2 ...

NASA Website

13
UPTF-TRAM Versuch A3. Umschlag der heissseitigen Notkuehleinspeisung in Richtung Dampferzeuger. (UPTF-TRAM test A3. Turn-over of the hot-leg injected ECC in the steam generator direction).
1993-01-01

The UPTF TRAM test A3 was a separate effects test to investigate the interaction between the hot leg-injected ECC and the single-phase or two-phase natural circulation in the hot leg in the case of an SBLOCA in a PWR. The experimental investigation of 7 r...

National Technical Information Service (NTIS)

14
Steam Explosion Triggering and Propagation: Hypotheses and Evidence.
1989-01-01

Various models of steam explosion triggering and propagation are reviewed. An analogy is drawn between steam explosions and chemical combustion, stressing that a continuum of steam explosion intensities can exist, ranging from very weak deflagration-like ...

National Technical Information Service (NTIS)

15
Effect of Dry Steam on Nature and Quality of Selected Characteristic Organic Chemicals
2007-03-01

In this study, effects of steam with different density (saturated and dry steam) on five characteristic organic chemicals such as alcohol, ester, aromatics, phenol and fatty acid were investigated below 200 �C. The natures of the tested organic chemicals were analyzed by weight loss in steam. ...

NASA Astrophysics Data System (ADS)

16
Steam System Opportunity Assessment for the Pulp and Paper, Chemical Manufacturing, and Petroleum Refining Industries: Main Report
2002-10-01

This report assesses steam generation and use in the pulp and paper, chemical, and petroleum refining industries, and estimates the potential for energy savings from implementation of steam system performance and efficiency improvements.

DOE Information Bridge

17
SCTI Chemical Leak Detection Test Plan.
1981-01-01

Tests will be conducted on the CRBRP prototype steam generator at SCTI to determine the effects of steam generator geometry on the response of the CRBRP chemical leak detection system to small water-to-sodium leaks in various regions of the steam generato...

National Technical Information Service (NTIS)

18
PWR Steam Generator Chemical Cleaning. Phase I: Final Report, Volume I.
1978-01-01

Two chemical cleaning solvent systems and two application methods were developed to remove the sludge in nuclear steam generators and to remove the corrosion products in the annuli between the steam generator tubes and the support plates. Laboratory testi...

National Technical Information Service (NTIS)

19
Production of Hydrogen from Chemical Hydrides via Hydrolysis with Steam.
2004-01-01

This is an investigation of a gas/solid chemical reaction between steam and chemical hydrides that liberates pure hydrogen gas. The aim is to obtain fundamental kinetic, chemical, and thermodynamic data on the reaction so that sufficient information is kn...

National Technical Information Service (NTIS)

20
Optimal Configuration of Chemical Complexes Based on Economic,

and steam required Sulfuric acid can be shipped for miles and steam cannot Phosphoric acid evaporators between TG's units 31 Low Pressure steam between TG's units 7 LP steam exported 12 condensate 32 Mega require steam capacity from sulfuric acid plant Sulfuric acid plant produces more ...

E-print Network

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21
Production of Hydrogen from Chemical Hydrides via ...
2004-11-01

... Accession Number : ADA446927. Title : Production of Hydrogen from Chemical Hydrides via Hydrolysis with Steam. Corporate ...

DTIC Science & Technology

22
Understand the basics of steam injection heating
1997-05-01

Precise temperature control, reduced energy consumption, and lower maintenance costs are the key benefits of direct-contact steam injection is often overlooked or not used to its full advantage by chemical engineers because they are unaware of its potential in chemical applications. This article offers guidelines for the use of ...

Energy Citations Database

23
text-only version of this release - NASA

Oct 1, 2009 ... Nine three-module chemical steam generator units isopropyl alcohol is ... Steam produced by the generators will be used to reduce pressure ...

NASA Website

24
Usage of supersonic Cold Gas-Dynamic Spraying (CGDS) for ...
2003-10-20

... catalytic coatings for systems of steam reforming of fuel and chemical heat ... basis for systems of steam reforming of fuel includes two milestones: ...

DTIC Science & Technology

25
Chemical cleaning Surry`s steam generators
1995-12-01

This report describes the pressure pulse cleaning process of the Surry steam generators. Containment inventory as measured by hideout return testing is discussed.

Energy Citations Database

26
Thermal and chemical tests of the steam generator of unit 3 at the Kalinin nuclear power station
2007-12-01

The results obtained from combined thermal and chemical tests of the steam generator of Unit 3 at the Kalinin nuclear power station are summarized. The obtained data are compared with the results of thermal and chemical tests carried out on steam generators at other nuclear power stations equipped with VVER-1000 ...

NASA Astrophysics Data System (ADS)

27
Guidelines for design of PWR steam generator chemical cleaning systems
1991-09-01

Recommendations and associated technical justifications are provided for the design of PWR steam generator chemical cleaning systems, using the nonproprietary process developed under the Steam Generator Owners Group research program. All major aspects of equipment design and location are addressed. The objective of the ...

Energy Citations Database

28
Chemical enhancement of oil production by cyclic steam injection
1982-12-01

Members of a special class of interfacially active chemicals were injected into wells in Kern County, CA, immediately before and during the huff 'n' puff steaming cycle. The chemical treatment was found to give significant increases in oil production.

Energy Citations Database

29
Altitude Testing of Large Liquid Propellant Engines

concept. " Low Cost/Low Risk Alternative to Altitude Testing. " Exploits ... A3 Test Stand. Test Cell. Diffuser / Ejector. System. Steam Discharge to. Atmosphere ...

NASA Website

30
PWR Steam Generator Chemical Cleaning Process Testing in Model Steam Generators.
1984-01-01

Corrosion related problems in PWR power plant steam generators have caused high maintenance costs, increased radiation exposure to plant personnel, and reduced unit availability. Two cleaning methods were investigated for their ability to clean deposits f...

National Technical Information Service (NTIS)

31
Kinetic characteristics of the reaction of carbon with steam
1982-01-01

The constants of the rate of the chemical reaction and of the adsorption equilibrium of steam on a carbon surface have been determined. The effective diffusion coefficient, the depth of penetration, and the degree of utilization of the internal surface of reactor graphite of type B-16 in oxidation by steam have been calculated.

Energy Citations Database

32
Energy Tips: Steam. Steam Tip Sheet 9.
2006-01-01

Minimizing your blowdown rate can substantially reduce energy losses, as the temperature of the blown-down liquid is the same as that of the steam generated in the boiler. Minimizing blowdown will also reduce makeup water and chemical treatment costs.

National Technical Information Service (NTIS)

33
Disposal and Handling of Nuclear Steam Generator Chemical Cleaning Wastes.
1978-01-01

A large number of pressurized water nuclear reactor electrical generating plants have experienced a corrosion-related problem with their steam generators known as denting. Denting is a mechanical deformation of the steam generator tubes that occurs at the...

National Technical Information Service (NTIS)

34
Calculation of Geothermal Reservoir Temperatures and Steam Fractions from Gas Compositions.
1985-01-01

This paper deals with the chemical equilibria and physical characteristics of the fluid in the reservoir (temperature, steam fraction with respect to total water, gas/steam ratio, redox conditions), which seem to be responsible for the observed concentrat...

National Technical Information Service (NTIS)

35
Steam System Improvements at a Manufacturing Plant
1999-05-01

BWX Technologies, Naval Nuclear Fuel Division (NNFD) is a manufacturing company with a steam system consisting of two Babcock & Wilcox boilers and approximately 350 steam traps. The steam system is used to produce and distribute steam for space heating and manufacturing process use. NNFD had made no ...

E-print Network

36
Chemical tracer determination of steam quality
1988-12-06

This patent describes an apparatus for determining the quality of saturated steam in a steam line of a multiple-line system served by a single steam generation. The apparatus comprising: means for injecting a tracer solution into the steam line at an injection point. The steam line operating at ...

Energy Citations Database

37
Hanford environmental analytical methods (methods as of March 1990). Appendix A3-O and Appendix A3-I
1993-05-01

Information is provided on the techniques employed towards the chemical analysis of volatile, semi-volatile matter, pesticides and PCB`s at the Hanford Reservation. Sample preparation methods are included.

DOE Information Bridge

38
Steam scrubbing method and system for exhaust gases
1989-04-04

A method of cleaning an exhaust gas is described, comprising the steps of flowing an exhaust gas into a steam scrubber having a steam scrubber chamber within which is impingement plate means; directing a flow of steam toward the impingement late means; and directing a jet of a liquid carrying a gas treatment ...

Energy Citations Database

39
Drop demand on steam generators with fixed-rate condensate drain
1976-06-01

Steam losses may result from malfunctioning traps on steam supply lines and steam-heated processing equipment. The conservation program at Dow Chemical Co. is described that includes the use of thermography to reveal areas of heat and steam losses. The installation of a drain orifice system to ...

Energy Citations Database

40
Steam System Opportunity Assessment for the Pulp and Paper, Chemical Manufacturing, and Petroleum Refining Industries: Main Report and Appendices (CD-ROM)
2002-10-01

The main report on this CD assesses steam generation and use in the pulp and paper, chemical, and petroleum refining industries, and estimates the potential for energy savings from implementation of steam system performace and efficiency improvements. The Appendices on this CD provide supporting information for the analyses and ...

DOE Information Bridge

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41
Steam Generator Sludge Pile Model Boiler Testing: Sludge Characterization.
1981-01-01

As part of a program to understand the thermal and hydraulic transport process that can lead to chemical concentration in sludge piles on the tubesheet in a steam generator, the chemical composition and physical properties of eight sludges and several sim...

National Technical Information Service (NTIS)

42
Partitioning of Acetic, Formic, and Phosphoric Acids Between Liquid Water and Steam.
1999-01-01

The chemical carryover of impurities and treatment chemicals from the boiler to the steam phase, and ultimately to the low-pressure turbine and condenser, can be quantified based on laboratory experiments preformed over ranges of temperature, pH, and comp...

National Technical Information Service (NTIS)

43
PWR Steam Generator Chemical Cleaning. Phase I Final Report. Volume II.
1978-01-01

Consolidated Edison Company of New York has organized and is managing a program for the Department of Energy to develop and demonstrate chemical cleaning methods for removing magnetite corrosion products from the annuli between steam generator tubes and t...

National Technical Information Service (NTIS)

44
Non-Chemical Interventions and Do-It-Yourself Approaches
2011-02-10

... Page 4. Heat Whole house heat treatment; heat chambers; hot steam Cold ... Non-chemical Encasements, ClimbUp Interceptors, hot steam, ...

EPA Pesticide Factsheets

45
Neutralization of Crevice Acids. Final Report (PWR).
1983-01-01

Capsule, pot-boiler, and model steam-generator tests were conducted to develop chemical procedures for limiting dent growth in nuclear steam generators. Testing included isothermal soaks and on-line chemical additions. In the typical test procedure, denti...

National Technical Information Service (NTIS)

46
Dow Chemical Company: Assessment Leads to Steam System Energy Savings in a Petrochemical Plant
2007-11-01

This DOE Save Energy Now case study describes how Dow Chemical Company saves 272,000 MMBtu and $1.9 million annually after increasing the steam system energy efficiency of a plant in Louisiana.

Energy Citations Database

47
Chemical-Cleaning Demonstration Test No. 2 in a Mock-Up Steam Generator (PWR).
1983-01-01

This report describes the results of the mockup demonstration test of the first modified baseline process under Contract S-127, Chemical Cleaning of Nuclear Steam Generators. The objective of this program is to determine the feasibility of cleaning the se...

National Technical Information Service (NTIS)

48
Chemical cleaning of steam generators: application to Nogent 1.
1991-01-01

EDF has patented a chemical cleaning process for PWR steam generators, based on the use of a mixture of organic acids in order to dissolve iron oxides and copper with a single solution and clean dented crevices. Qualification tests have permitted to demon...

National Technical Information Service (NTIS)

49
AN EXHAUSTIVE STEAM-DISTILLATION AND SOLVENT-EXTRACTION UNIT FOR PESTICIDES AND INDUSTRIAL CHEMICALS

The authors have developed a modified Nielsen-Kryger steam-distillation apparatus that provides exhaustive distillation of pesticides and industrial chemicals from water, sediments, and tissue and the simultaneous extraction of the distillate by a small volume of organic solvent....

EPA Science Inventory

50
A Study of Inplant Electric Power Generation in the Chemical, Petroleum Refining, and Paper and Pulp Industries.
1976-01-01

The maximum thermodynamic and economic potentials for increased inplant electric power generation by steam turbine, gas turbine, and diesel topping and steam and organic bottoming cycles are determined for the chemical, petroleum refining, and paper and p...

National Technical Information Service (NTIS)

51
Steam generator operating experience update, 1982-1983. [PWR
1984-06-01

This report is a continuation of earlier reports by the staff addressing pressurized water reactor steam generator operating experience. NUREG-0886, Steam Generator Tube Experience, published in February 1982 summarized experience in domestic and foreign plants through December 1981. This report summarizes steam generator operating ...

Energy Citations Database

52
Safety Manual - Wind Tunnels - NASA

Air cleaning equipment, such as a filter or a chemical absorbent cartridge ...... sanitary and fire suppression water, steam boiler and chiller systems, the ...

NASA Website

53
Finding of No - NASA

alcohol, Liquid Oxygen (LOX), and water would run for the duration of the ... stand would be air emissions from isopropyl alcohol and LOX chemical steam ...

NASA Website

54
Burns

A burn is damage to your body's tissues caused by heat, chemicals, electricity, sunlight or radiation. Scalds from hot liquids and steam, building fires ...

MedlinePLUS

55
Application of Expert Systems for Diagnosing Equipment ...
1993-12-01

... the degree of excess air, and the chemical reactions occurring ... and steam space above the water inside the boiler. Boilers are classified by design. ...

DTIC Science & Technology

56
PWR steam generator chemical cleaning process testing in model steam generators
1984-04-01

Corrosion related problems in PWR power plant steam generators have caused high maintenance costs, increased radiation exposure to plant personnel, and reduced unit availability. Two cleaning methods were investigated for their ability to clean deposits from steam generators thereby increasing the integrity of the steam generators and ...

Energy Citations Database

57
Understanding and designing of steam-phobic surfaces
2011-03-01

The wetting behavior of a surface under steam condensation depends on its intrinsic wettability and micron or nanoscale surface roughness. A typical superhydrophobic surface may not be suitable as a steam-phobic surface due to nucleation and growth of water inside the valleys and thus, failure to form air-liquid- solid composite interface. Here, we present ...

NASA Astrophysics Data System (ADS)

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