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Friday, May 1, 2020 | History

3 edition of Ground testing for the no-vent fill of cryogenic tanks found in the catalog.

Ground testing for the no-vent fill of cryogenic tanks

David J. Chato

Ground testing for the no-vent fill of cryogenic tanks

results of tests for a 71 cubic foot tank

by David J. Chato

  • 149 Want to read
  • 39 Currently reading

Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC], [Springfield, Va .
Written in

    Subjects:
  • Low temperature research.

  • Edition Notes

    StatementDavid J. Chato.
    SeriesNASA technical memorandum -- 106293., NASA technical memorandum -- 106293.
    ContributionsUnited States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL14699973M

    Aerospace Fabrication & Materials can provide you with custom testing of your products using its Comparative Cryostat (Cryostat ). This system measures the apparent thermal conductivity (k-value) of the insulation product including multilayer insulation along with similar passive thermal control products for cryogenic applications. ABOVEGROUND STORAGE TANKS, Part I – Instructor Javier Tirenti Pág. 5 1. Aboveground storage tanks From all types of containers storage tanks are the most used. The different types of tanks are used to store a variety of products such as crude oil and its derivatives, butane, propane, LPG, solvents, water, Size: KB. @article{osti_, title = {Analysis of the nonvented fill of a 4. cubic-meter lightweight liquid hydrogen tank}, author = {Chato, D.J.}, abstractNote = {As part of its development of cryogenic fluid management techniques for spacecraft, the NASA Lewis Research Center Cryogenic Fluid Technology Office (CFTO) is planning to perform ground tests of nonvented fill . taken into account in the design of a ground test cryogenic facility as well. The overall thermal scheme of a Radiometer Chain Assembly, integrated in the facility, is shown in Fig. 1a. The cryogenic chamber The size of the facility is about 2 × ×1 m3. Such size is compatible with the volume of the.


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Ground testing for the no-vent fill of cryogenic tanks by David J. Chato Download PDF EPUB FB2

Chato [7] reported the results of a series of no-vent fill tests in a m 3 LH 2 tank, in which 10 of the tests with a bottom orifice inlet and 12 with a spray bar inlet. Several parameters were Author: David Chato.

Get this from a library. Ground testing for the no-vent fill of cryogenic tanks: results of tests for a 71 cubic foot tank.

[David J Chato; United States. NASA Lewis Research has been investigating the no-vent fill method, since it is a promising approach to transfer liquid while handling the problems of low-g venting. This paper reports the results of a test series for filling a 71 cu ft tank with liquid hydrogen without venting.

22 tests were conducted, 10 with a bottom orifice as the inlet and 12 with a spray bar. GROUND TESTING FOR THE NO-VENT FILL OF CRYOGENIC TANKS: RESULTS OF TESTS FOR A 71 CUBIC FOOT TANK D.J. Chato* National Aeronautics and Space Administration Lewis Research Center Cleveland, Ohio Ground testing for the no-vent fill of cryogenic tanks - Results of tests for a 71 cubic foot tank.

By David J. Chato. Abstract. NASA Lewis Research has been investigating the no-vent till method, since it is a promising approach to transfer liquid while handling the problems of low-g venting. This paper reports the results of a test series Author: David J. Chato. The no-vent fill process has been identified as the most promising technique for filling cryogenic tanks in space.

In-space testing of this process is extremely expensive, so less expensive ground tests have been performed to learn more about the process before a space-based test program is initiated.

NASA Lewis Research Center (LeRC) has performed a series of liquid hydrogen no. ground based cryogenic testing was constructed. This facility has the capability to perform a variety of experiments involving the storage, handling, and transfer of cryogenic fluids.

Specific tests currently planned for the Liquid Transfer Cryogenic Test Facility include no vent fill, tank. The no-vent fill process has been identified as the most promising technique for filling cryogenic tanks in space.

In-space testing of this process is extremely expensive, so less expensive ground tests have been performed to learn more about the process before a space-based test program is initiated.

NASA Lewis Research Center (LeRC) has performed a series of liquid hydrogen no-vent fill tests Cited by: 2. NO VENT TANK FILL AND TRANSFER LINE CHILLDOWN ANALYSIS BY GENERALIZED FLUID SYSTEM SIMULATION PROGRAM (GFSSP) Alok Majumdar NASA/Marshall Space Flight Center, Huntsville, Alabama ABSTRACT The purpose of the paper is to present the analytical capability developed to model no vent chill and fill of cryogenic tank to support CPST (Cryogenic Propellant.

Experimental results of no-vent fill testing with liquid hydrogen in a 34 liter stainless steel tank are presented. More than 40 tests were performed with various liquid inlet temperatures, inlet flowrates, initial tank wall temperatures, and liquid injection by: 7. Chato [7] reported the results of a series of no-vent fill tests in a m 3 LH 2 tank, in which 10 of the tests with a bottom orifice inlet and 12 with a spray bar inlet.

Several parameters were investigated, including inlet saturation pressure, transfer pressure, and initial wall by: 4. A receiver tank test system has been fabricated and tested with liquid hydrogen to evaluate tank filling processes including chilldown and no-vent fill.

The test system and the approach employed in conducting the test program is described. Results are presented for a series of chilldown and no-vent fill tests. Ground testing for the no-vent fill of cryogenic tanks - Results of tests for a 71 cubic foot tank DAVID CHATO 29th Joint Propulsion Conference and Exhibit August To obtain a more empirical under- standing of the No-Vent Fill problem a series of liquid hydrogen experiments is to be con- ducted at the NASA Lewis, Plum Brook K-Site cryogenic vacuum chamber facility using an existing lightweight liquid hydrogen tank.

Testing on the CRYOTE TVS was to verify the design and also to quantify any reduction of heat load due to using the integrated vapor cooling tubing along the test article structure. NVF testing was desired in order to demonstrate the fill level achievable on the ground as an analog to a flight Size: 5MB.

Abstract. An analytical model has been developed to simulate the process of filling a non-vented cryogenic tank. The analysis considered data gathered during no-vent fill testing with LH 2 of a L (19 ft 3), 69 kg ( 1b m), aluminum model consists of single liquid and vapor nodes and multiple wall, insulation, and penetration nodes and uses the initial tank wall and.

D.J. Chato, Ground testing for the no-vent fill of cryogenic tanks Results of tests for a 71 cubic foot tank, in: AIAA, SAE, ASME, and ASEE, Joint Propulsion Conference and Exhibit, 29th, Monterey, CA, Cited by: 4.

The no-vent fill method is a promising approach to handle the problems of low-g venting during propellant transfer. A receiver tank is first cooled to remove thermal energy from the tank wall and the resultant vapor vented overboard. Then nozzles mix the incoming liquid and residual vapor in the tank maintaining a thermodynamic state which allows the tank to fill with Cited by: 6.

Comparing the results of an analytical model of the no-vent fill process with no-vent fill test results for a cu m ( cu ft) tank. WILLIAM TAYLOR and ; DAVID CHATO. cryogenic tanks - vintage, double-walled, spherical tanks with perlite insulation in the annular regions - Two kgallon LH2, Two kgallon L02 - Limited thermal life cycles The Constellation planned to use the tanks to support the future launch efforts Information on the current health status of the tanks is needed to make informedFile Size: 6MB.

The no-vent method is a promising approach to handling the problems of low-g venting during propellant transfer. A receiver tank is first cooled to remove thermal energy from the tank wall and the resultant vapor vented overboard. The nozzles mix the incoming liquid and residual vapor in the tank maintaining a thermodynamic state which allows the tank to fill with liquid without.

Title-page: The Linde standard tanks 2 3 Introduction 4 Standard vacuum-insulated tanks 5 Quality standards for cryogenic tanks Optional standards for enhanced quality 6 Technical data - tanks for air gases LIN, LOX, LAR 7 Technical data - tanks for carbon dioxide 8 Features Highly effective operation Safety Easy operation.

The Liquid Transfer Cryogenic Test Facility is a versatile testbed for ground-based cryogenic fluid storage, handling, and transfer experimentation. The test rig contains two well instrumented tanks, and a third interchangeable tank, designed to accommodate liquid nitrogen or liquid hydrogen testing.

The internal tank volumes are approx. 18, 5, and cu. Tank pressures. Tests with a large ( m3) tank are documented by Chato [14] and Taylor and Chato [15]. These tests demonstrated the impact of varying critical input parameters, such as the liquid inlet mass flow rate and the initial tank wall temperature, on the no-vent fill process.

Testing also examines the effects of scaling. Because of its large capacity, K-Site's vacuum chamber enables full scale testing for many applications. A typical no-vent fill test at K-Site uses a ft 3 tank as the LH2 supply tank and a ft 3 tank as the receiver tank. Composite fuel tank tests -- The Boeing-built composite cryogenic fuel tank at Marshall -- one of the largest ever manufactured, recently completed a complex series of structural, temperature and.

The Liquid Transfer Cryogenic Test Facility is a versatile testbed for ground-based cryogenic fluid storage, handling, and transfer experimentation. The test rig contains two well instrumented tanks, and a third interchangeable tank, designed to accommodate liquid nitrogen or liquid hydrogen testing.

A meter diameter propellant tank made of composite materials successfully completed pressurized testing at NASA¹s Marshall Space Flight Center in Huntsville, Ala. The goal of this game.

The strategy, proposed by the CPST Project Manager, focused on maturation through modeling, studies, and ground tests of the storage and fluid transfer Cryogenic Fluid Management (CFM)technology sub elements an- d components that were not already at a Technology Readiness Level of by: 2.

Thermodynamic modeling of the no-vent fill methodology for transferring cryogens in low gravity [microfo Ground testing for the no-vent fill of cryogenic tanks [microform]: results of tests for a 71 cubic foo Analysis of the nonvented fill of a cubic-meter lightweight liquid hydrogen tank [microform] / Davi Loose fillings.

Cryogenic Tank Testing Hydrostatic pressure testing tanks at low temperatures is equally challenging -Tanks typically filled with cryogen (LN2) -Pressurization control during fill and testing much more involved •Computer controlled •Remote pressurization for safety -Insulated containment system required -Testing at temperatures below LN2.

Since cryogenic vessels and products are widely applied into industries, scientific explorations and daily lives, more and more investigations on no-vent fill technologies have been conducted to protect resources and environment. configuration of cryogenic stage for ground qualification test, stage hot test sequence, a thermal model and its results for a foam insulated LH2 tank subjected to heat leak and pressurization with hydrogen gas at K during liquid outflow at 38 lps for engine operation.

For tanks on elevated foundations or supports, the resistance to ground could be as high as ohms and still be considered adequately grounded for purposes of dissipation of static electric charges, but the resistance should be verified in these cases for assurances that an adequate path to ground is achieved.

The STI SP standard may be used to comply with this requirement. The scope of STI SP Standard for the Inspection of Aboveground Storage Tanks by the Steel Tank Institute (STI) includes the inspection and testing of: aboveground shop-fabricated tanks, small field-erected tanks, portable containers, and; associated secondary containment.

The Advanced Shuttle Upper Stage (ASUS) concept addresses safety concerns associated with cryogenic stages by launching empty, and filling on ascent. The ASUS employs a rapid chill and fill concept, where a spray bar is used to completely chill the tank before fill.

This document considers the periodic inspection and testing of static vacuum insulated cryogenic pressure vessels used in the storage of refrigerated liquefied gases, excluding toxic gases.

Considering the design and materials of construction of these File Size: 69KB. In concert with our cryogenic valve fabrication capabilities are facilities for cryogenic testing of valves in liquid nitrogen at – o F.

This equipment allows us to verify our own work as well as test valves for other manufacturers and end-users. Three special insulated stainless steel tanks of varying sizes are used for the tests.

As seen from test data, there was a small amount of LN2 in the tank before a fill operation was conducted. This was due to the test team at MSFC having to replace a flow meter prior to testing.

As a result, LN2 was present in fill lines and was slightly cooling down skirt surfaces prior to a proper fill Size: 4MB. As part of its development of cryogenic fluid management techniques for spacecraft, the NASA Lewis Research Center Cryogenic Fluid Technology Office (CFTO) is.

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