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Saturday, October 17, 2020 | History

3 edition of A prediction of 3-D viscous flow and performance of the NASA low-speed centrifugal compressor found in the catalog.

A prediction of 3-D viscous flow and performance of the NASA low-speed centrifugal compressor

John Moore

A prediction of 3-D viscous flow and performance of the NASA low-speed centrifugal compressor

by John Moore

  • 172 Want to read
  • 37 Currently reading

Published by Mechanical Engineering Dept., Virginia Polytechnic Institute and State University, National Aeronautics and Space Administration, National Technical Information Service, distributor in Blacksburg, Va, [Washington, DC, Springfield, Va .
Written in English

    Subjects:
  • Compressors.,
  • Impellers.,
  • Low speed.,
  • Predictions.,
  • Three dimensional flow.,
  • Turbulent flow.

  • Edition Notes

    Other titlesPrediction of 3 D viscous flow and performance of the NASA low-speed centrifugal compressor.
    StatementJohn Moore, Joan G. Moore.
    SeriesNASA contractor report -- NASA CR-184765., Turbomachinery research group report -- no. JM/89-1.
    ContributionsMoore, Joan G., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL17683405M

    CENTRIFUGAL COMPRESSOR 4 manual IV. OPERATING RANGE OF CENTRIFUGAL COMPRESSOR Fig.3 presents operating range of Centrifugal Compressor based on suction flow and discharge pressure and fig. 4 presents operating range of centrifugal compressor compare with other type of compressor based on suction volume flow and speed. Fig. 3.   Rotor loading levels and relative velocity ratio are correlated to the onset of compressor surge. NASA Stage 37 and the three-stage NASA A axial compressors were analyzed and the results compared to test data. The code has been used to generate the performance map for the NASA B three-stage axial compressor featuring variable geometry.

    NASA Lewis Research Center Cleveland, OH and P. S. Prahst1 NYMA Inc. Brook Park, OH ABSTRACT The performance and flow structure in an unshrouded impeller of approximately pressure ratio is synthesized on the basis of a detailed analysis of 3D viscous CFD results and aerodynamic measurements. A good data match was obtained File Size: KB. Eckardt, D., Flow-field analysis of radial and backswept centrifugal compressor impellers: Part I, Flow measurements using a laser velocimeter. In Performance Prediction of Centrifugal Pumps and Compressors. ASME, New York, March Google Scholar.

    J. Power, , July 18 Mashimo T. et al. On the performance prediction of a centrifugal compressor scaled up. ASME paper GT, 19 Japikse D. Design optimization and performance map prediction for centrifugal compressors and radial inflow turbines. AGARD L.S, June 20 Dean R. by: 6. on stall and surge effects in axial compressor. Success of this research field will significantly improve the efficiency of the axial compressor and aero-engine performance in future. Index Terms—Bifurcation analysis, FDM, Compressor Flow chart, Centrifugal Compressor, Axial Flow compressor.


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A prediction of 3-D viscous flow and performance of the NASA low-speed centrifugal compressor by John Moore Download PDF EPUB FB2

A Prediction of 3-D Viscous Flow and Performance of the NASA Lou-Speed Centrifugal Compressor John Moore Professor of Mechanical Engineering Principal Investigator and Joan G.

Moore Research Associate January Grantee Institution NASA Lewis Research Center Brookpark Road Cleveland, Ohio Turbomachinery Research GroupFile Size: 1MB. A Prediction of 3-D Viscous Flow and Performance of the NASA Low-Speed Centrifugal CompressorCited by: 3.

A prediction of the 3-D turbulent flow in the NASA Low-Speed Centrifugal Compressor Impeller has been made. The calculation was made for the compressor design conditions with the specified uniform tip clearance gap. The predicted performance is significantly worse than that predicted in the NASA design : John Moore, Joan G.

Moore. A prediction of the three-dimensional turbulent flow in the NASA Low-Speed Centrifugal Compressor Impeller has been made. The calculation was made for the compressor design conditions with the specified uniform tip clearance gap.

The predicted performance is significantly worse than that predicted in the NASA design : John Moore and Joan G. Moore. migrate toward the blade suction surface. The design of the low speed centrifugal blading was set, using the above mentioned quasi 3-D code, so that a level of the loading parameter similar to that of Stage 2 would be obtained.

At that time also, it was estimated that by the time the low speed compressor facility became operational,File Size: 6MB. temperature to within ± 1 *F for mass flows up to 45 kg/s. The for the low speed centrifugal compressor are given in table I while flow then enters the facility room and is then drawn into the plenum table 2 shows a comparison of some low speed centrifugal compres-File Size: KB.

NASA Low-Speed Centrifugal Compressor for 3-D Viscous Code Assessment and Fundamental Flow Physics Research Article (PDF Available) July with 67 Reads How we measure 'reads'.

Moore J, Moore JG. A prediction of 3-D viscous flow and performance of the NASA low-speed centrifugal. compressor surge. NASA Stage 37 and the three-stage NASA A axial compressors were analyzed and the results compared to test data.

The code has been used to generate the performance map for the NASA B three-stage axial compressor featuring variable geometry.

The compressor stages were. A low speed centrifugal compressor facility recently built by the NASA Lewis Research Center is described. The purpose of this facility is to obtain detailed flow field measurements for computational fluid dynamic code assessment and flow physics modelling in support of Army and NASA efforts to advance small gas turbine engine by: 7.

A Prediction of 3-D Viscous Flow and Performance of the NASA Low-Speed Centrifugal CompressorCited by: 6. A low-speed centrifugal compressor facility recently built by the NASA Lewis Research Center is described.

The purpose of this facility is to obtain detailed flow field measurements for computational fluid dynamic code assessment and flow physics modeling in support of Army and NASA efforts to advance small gas turbine engine by: 9.

The turbulent flow inside a low-speed centrifugal compressor at design condition is investigated using large-eddy simulation (LES) comprising of up to 26 computational volume cells. Calculations of three-dimensional viscous flow in the impeller of a centrifugal compressor are used as the basis of a study of the thermodynamics of the compression process.

Flow in a high hub-tip ratio low specific speed impeller of approximately pressure ratio is by: NASA low-speed centrifugal compressor for 3-D viscous code assessment and fundamental flow physics research [microform] / M.D.

Hathaway, J.R. Wood and C.A. Wasserbauer National Aeronautics and Space Administration ; US Army Aviation Systems Command, Aviation R&T Activity ; For sale by the National Technical Information Service [Washington, DC.

Viscous Three-Dimensional Simulation of Flow in an Axial Low Pressure Compressor at Engine Icing Operating Points viscous simulations using the NASA GlennHT code [8,15] are produced for five operating points. attached the performance was much closer to the expected behavior than if it was allowed to separate.

Navier-Stokes stall predictions using an algebraic Reynolds-stress model. Numerical Simulation of the Flow in the NASA Low-Speed Centrifugal Compressor. International Journal of Turbo and Jet Engines, Vol. 20, No. 2 Prediction of the Flow Around an Airfoil Using a Reynolds Stress Transport by: An experimental and computational investigation of the NASA Low-Speed Centrifugal Compressor (LSCC) flow field was conducted using laser anemometry and Dawes' 3D viscous code.

Three-dimensional viscous flow calculations for assessing the thermodynamic performance of centrifugal compressors, Study of the Eckardt Compressor. ASME Journal of Engineering for Power,–Author: Xin Zhou, Zhitao Zuo, Qi Liang, Hucan Hou, Hongtao Tang, Haisheng Chen.

An experimental and computational investigation of the NASA Lewis Research Center's low-speed centrifugal compressor (LSCC) flow field was conducted using laser anemometry and Dawes' three.

A prediction of 3-D viscous flow and performance of the NASA low-speed centrifugal compressor by John Moore 2 editions - first published in Not in Library.

Abstract. The ideal flow model for the preliminary design and performance prediction of radial turbopumps presented in the companion paper of the present volume (d’Agostino et al. ) is here interfaced with the calculation of the boundary layers inside the blade channels and other major forms of flow losses, with the aim of developing an effective tool for rapid parametric optimization of Cited by: 1.While several books are available that provide a general overview of centrifugal compressor aerodynamic technology, this book is unique in that it fully describes a working design and analysis system with all of the interacting procedures, design guidelines, and decision processes required.

This book describes the author's own centrifugal compressor aerodynamic design and analysis system.