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Thursday, July 23, 2020 | History

3 edition of Oscillating-flow regenerator test rig found in the catalog.

Oscillating-flow regenerator test rig

Oscillating-flow regenerator test rig

woven screen and metal felt results

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Published by Center for Stirling Technology Research, National Aeronautics and Space Administration, National Technical Information Service, distributor in Athens, OH, [Washington, DC, Springfield, Va.? .
Written in English

    Subjects:
  • Heat -- Transmission.

  • Edition Notes

    Other titlesOscillating flow regenerator test rig.
    StatementD. Gideon, J.G. Wood.
    SeriesNASA-CR -- 190689., NASA contractor report -- NASA CR-190689.
    ContributionsWood, J. G. 1827-1889., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15365680M

    Books Go Search EN Hello, Sign in Account & Lists Sign in Account & Lists Orders Try Prime Cart. Best Sellers Gift Ideas New Releases Whole Foods Today's Deals AmazonBasics. "The Oscillating-Flow Regenerator Test Rig was specially designed to analyze regenerator pressure chop and heat transfer for oscillating flow. For that purpose a motor-driven piston-cylinder assembly was installed to push gas back and forth through the regenerator sample.

    This regenerator had feature sizes close to those required for an actual Stirling engine but the overall regenerator dimensions were sized for the NASA/Sunpower oscillating-flow regenerator test rig. Testing in the oscillating-flow test rig showed the regenerator performed extremely well, significantly better than currently used random-fiber Cited by: 6. The boundary conditions are set as the periodic flow of the sine function. The thermodynamic parameters of the gas parcels are obtained, which reveal the critical processes of the heat transfer in the regenerator under oscillating flow. The performance of the regenerator with different geometries is evaluated based on the numerical results.

    The oscillating-flow rig tests of the segmented-involute-foil regenerator have demonstrated a shift in regenerator performance strongly in the direction of the theoretical performance of ideal parallel-plate regenerators.",Cited by: An experiment was designed and carried out on the fundamental, but poorly understood problem of oscillating flow past a single, transverse, circular cylinder. This is an approximation of the flow about a single element in a matrix-type regenerator used in Stirling-cycle engines. The experimental rig was designed and built to allow tests to be carried out for the wide range of fluid flow.


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Oscillating-flow regenerator test rig Download PDF EPUB FB2

Oscillating-Flow Regenerator Test Rig: Hardware and Theory With Derived Correlations for Screens and Felts D. Gedeon Gedeon Associates Athens, Ohio and J.G.

Wood Wood Experimental Albany, Ohio February Prepared for Lewis Research Center Under Grant NAG Nat/onal Aeronautics and Space Administration.

Oscillating-flow regenerator test rig final report by John George Wood. Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC, Springfield, Va.

rig designed by Sunpower Inc. for NASA-Lewis. This pressure drop test rig was used to perform extensive oscillating flow pressure drop testing on heat exchangers and regenerators typical to those used in Stifling engines.

Details of the original pressure drop test rig can be found in reference [2]. The basic rig is based on a variable stroke and variable frequency linear drive motor. Audio Books & Poetry Community Audio Computers & Technology Music, Arts & Culture News & Public Affairs Non-English Audio Spirituality & Religion.

Librivox Free Audiobook. Podcasts. Featured software All software latest This Just In Old School Emulation MS-DOS Games Historical Software Classic PC Games Software Library. The regenerator test rig was designed and built to measure the pressure drop of the robust foil regenerator under the oscillating flow condition.

Based on the data from the pressure transducers and linear displacement transducer, the friction coefficient was derived. The result shows that the friction coefficient of the regenerator.

Regenerator Envelope (Canister or Volume) Configurations. Regenerator Porous Material Structures. Random-Fiber Regenerators—Actual Scale. Introduction. NASA/Sunpower Oscillating-Flow Test Rig and Test-Rig Modifications. Random-Fiber Test Results. Theoretical Investigations. Computational Fluid Dynamics (CFD) Simulation for Cylinders in Cross-Flow.

Oscillating-flow regenerator test rig. By D. Gedeon and J. Wood. Abstract. This report summarizes work performed in setting up and performing tests on a regenerator test rig. An earlier status report presented test results, together with heat transfer correlations, for four regenerator samples (two woven screen samples and two felt metal Author: D.

Gedeon and J. Wood. The hardware-in-the-loop simulator implemented in an oscillating-flow test-rig appears as an innovative, integrated solution for turbine testing in realistic operating flow conditions, but in a.

The proposed model will be used to estimate these factors. In a second part, the correlations proposed in the literature (Tanaka ; Gedeon and Wood Oscillating-flow regenerator test rig: hardware and theory with derived correlations for screens and felts.

NASA CR, ) to study the turbulent flow are applied to the gamma-type Author: Ramla Gheith, Houda Hachem, Fethi Aloui, Sassi Ben Nasrallah. Behind these results lies an oscillating-flow test rig, which measures pumping dissipation and thermal energy transport in sample matrices, and several stages of data-reduction software, which correlate instantaneous values for the above dimensionless groups.

Oscillating-Flow Regenerator Test Rig: Hardware and Theory With Derived Correlations for Screens and Felts. By D. Gedeon and J. Wood. Abstract. A number of wire mesh and metal felt test samples, with a range of porosities, yield generic correlations for friction factor, Nusselt number, enhanced axial conduction ratio, and overall heat flux Author: D.

Gedeon and J. Wood. Get this from a library. Oscillating-flow regenerator test rig: final report. [J G Wood; United States. National Aeronautics and Space Administration.].

Another test rig is built to study the pressure drop of regenerator in an oscillating flow, and the schematic of experimental apparatus is shown in Fig. 2, consisting of a test section, a gas supplement system and a drive mechanism.

Gas flow is driven by two by: Get this from a library. Oscillating-flow regenerator test rig: woven screen and metal felt results.

[D Gideon; J G Wood; United States. National Aeronautics and Space Administration.]. Fig. 1 shows a schematic diagram of the experimental apparatus, which is composed of a regenerator bed, two shell-and-tube heat exchangers, check valves and a pumping system consisting of a displacer, a crank disc and a motor.

The dimensions of the acetal resin regenerator bed housing are mm (internal diameter) × mm (length), along which seven feed-through orifices have been drilled Cited by: Summary. Stirling Convertor Regenerators addresses the latest developments and future possibilities in the science and practical application of Stirling engine regenerators and technology.

Written by experts in the vanguard of alternative energy, this invaluable resource presents integral scientific details and design concepts associated with Stirling converter regenerators.

Gedeon and J.G. Wood, “Oscillating Flow Regenerator Test Rig: Hardware and Theory with Derived Correlations for Screens and Felts,” NASA CRFeb. Google Scholar by: In a second part, the correlations proposed in the literature (Tanaka ; Gedeon and Wood Oscillating-flow regenerator test rig: hardware and theory with derived correlations for screens and felts.

The Oscillating-Flow Regenerator Test Rig was specially designed to analyze regenerator pressure chop and heat transfer for oscillating flow. For that purpose a motor-driven piston-cylinder assembly was installed to push gas back and forth through the regenerator sample.

The fiiction factor was calculated fiom the piston. T1 - Modeling of active magnetic regenerators and experimental investigation of passive regenerators with oscillating flow. AU - Lei, Tian.

PY - Y1 - N2 - This thesis presents numerical modeling of active magnetic regenerator (AMR) and passive regenerator tests with oscillating : Tian Lei. D. Gedeon and J. G. Wood, Oscillating flow regenerator test rig: Hardware and theory with derived correlations for screens and felts, NASA CR ().

Google Scholar; K. Nam and S. Jeong, Novel flow analysis of regenerator under oscillating flow with pulsating pressure, Cryogenics 45 () – Crossref, ISI, Google Scholar; Author: V.

V. Kishor Kumar, V. V. Kishor Kumar, Biju T. Kuzhiveli.This Oscillating-Flow Test Rig provides for measurement of thermal and flow properties of specimens representative of regenerator matrices in Stirling engines, or of other, similar specimens of porous materials in general.Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online.

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