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Experimental Investigation Of Centrifugal Compressor Stabilization Techniques
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781721640812 Total Pages :32 pages Book Rating :4.6/5 (48 download)
Book Synopsis Experimental Investigation of Centrifugal Compressor Stabilization Techniques by : National Aeronautics and Space Administration (NASA)
Download or read book Experimental Investigation of Centrifugal Compressor Stabilization Techniques written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-21 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results from a series of experiments to investigate techniques for extending the stable flow range of a centrifugal compressor are reported. The research was conducted in a high-speed centrifugal compressor at the NASA Glenn Research Center. The stabilizing effect of steadily flowing air-streams injected into the vaneless region of a vane-island diffuser through the shroud surface is described. Parametric variations of injection angle, injection flow rate, number of injectors, injector spacing, and injection versus bleed were investigated for a range of impeller speeds and tip clearances. Both the compressor discharge and an external source were used for the injection air supply. The stabilizing effect of flow obstructions created by tubes that were inserted into the diffuser vaneless space through the shroud was also investigated. Tube immersion into the vaneless space was varied in the flow obstruction experiments. Results from testing done at impeller design speed and tip clearance are presented. Surge margin improved by 1.7 points using injection air that was supplied from within the compressor. Externally supplied injection air was used to return the compressor to stable operation after being throttled into surge. The tubes, which were capped to prevent mass flux, provided 9.3 points of additional surge margin over the baseline surge margin of 11.7 points. Skoch, Gary J. Glenn Research Center NASA/TM-2003-212599, E-14156, ARL-TR-2921, GT-2003-38524
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781721676873 Total Pages :24 pages Book Rating :4.6/5 (768 download)
Book Synopsis Experimental Investigation of Diffuser Hub Injection to Improve Centrifugal Compressor Stability by : National Aeronautics and Space Administration (NASA)
Download or read book Experimental Investigation of Diffuser Hub Injection to Improve Centrifugal Compressor Stability written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-21 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results from a series of experiments to investigate whether centrifugal compressor stability could be improved by injecting air through the diffuser hub surface are reported. The research was conducted in a 4:1 pressure ratio centrifugal compressor configured with a vane-island diffuser. Injector nozzles were located just upstream of the leading edge of the diffuser vanes. Nozzle orientations were set to produce injected streams angled at 8, 0 and +8 degrees relative to the vane mean camber line. Several injection flow rates were tested using both an external air supply and recirculation from the diffuser exit. Compressor flow range did not improve at any injection flow rate that was tested. Compressor flow range did improve slightly at zero injection due to the flow resistance created by injector openings on the hub surface. Leading edge loading and semi-vaneless space diffusion showed trends similar to those reported earlier from shroud surface experiments that did improve compressor flow range. Opposite trends are seen for hub injection cases where compressor flow range decreased. The hub injection data further explain the range improvement provided by shroud-side injection and suggest that different hub-side techniques may produce range improvement in centrifugal compressors. Skoch, Gary J. Glenn Research Center NASA/TM-2004-213182, ARL-TR-3158, GT2004-53618, E-14677
Book Synopsis Experimental Investigation of Diffuser Hub Injection to Improve Centrifugal Compressor Stability by : Gary J. Skoch
Download or read book Experimental Investigation of Diffuser Hub Injection to Improve Centrifugal Compressor Stability written by Gary J. Skoch and published by BiblioGov. This book was released on 2013-07 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results from a series of experiments to investigate whether centrifugal compressor stability could be improved by injecting air through the diffuser hub surface are reported. The research was conducted in a 4:1 pressure ratio centrifugal compressor configured with a vane-island diffuser. Injector nozzles were located just upstream of the leading edge of the diffuser vanes. Nozzle orientations were set to produce injected streams angled at 8, 0 and +8 degrees relative to the vane mean camber line. Several injection flow rates were tested using both an external air supply and recirculation from the diffuser exit. Compressor flow range did not improve at any injection flow rate that was tested. Compressor flow range did improve slightly at zero injection due to the flow resistance created by injector openings on the hub surface. Leading edge loading and semi-vaneless space diffusion showed trends similar to those reported earlier from shroud surface experiments that did improve compressor flow range. Opposite trends are seen for hub injection cases where compressor flow range decreased. The hub injection data further explain the range improvement provided by shroud-side injection and suggest that different hub-side techniques may produce range improvement in centrifugal compressors.
Book Synopsis Experimental Investigation of the Transonic Centrifugal Compressor Inducer Cascades by : Karel Čelikovský
Download or read book Experimental Investigation of the Transonic Centrifugal Compressor Inducer Cascades written by Karel Čelikovský and published by . This book was released on 1990 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Analysis of Centrifugal Compressors by : Rene Van den Braembussche
Download or read book Design and Analysis of Centrifugal Compressors written by Rene Van den Braembussche and published by John Wiley & Sons. This book was released on 2019-01-14 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive overview of fluid dynamic models and experimental results that can help solve problems in centrifugal compressors and modern techniques for a more efficient aerodynamic design. Design and Analysis of Centrifugal Compressors isacomprehensive overview of the theoretical fluid dynamic models describing the flow in centrifugal compressors and the modern techniques for the design of more efficient centrifugal compressors. The author — a noted expert in the field, with over 40 years of experience — evaluates relevant numerical and analytical prediction models for centrifugal compressors with special attention to their accuracy and limitations. Relevant knowledge from the last century is linked with new insights obtained from modern CFD. Emphasis is to link the flow structure, performance and stability to the geometry of the different compressor components. Design and Analysis of Centrifugal Compressors is an accessible resource that combines theory with experimental data and previous research with recent developments in computational design and optimization. This important resource Covers the basic information concerning fluid dynamics that are specific for centrifugal compressors and clarifies the differences with axial compressors Provides an overview of performance prediction models previously developed in combination with extra results from research conducted by the author Describes helpful numerical and analytical models for the flow in the different components in relation to flow stability, operating range and performance Includes the fundamental information for the aerodynamic design of more efficient centrifugal compressors Explains the use of computational fluid dynamics (CFD) for the design and analysis of centrifugal compressors Written for engineers, researchers and designers in industry as well as for academics specializing in the field, Design and Analysis of Centrifugal Compressors offers an up to date overview of the information needed for the design of more effective centrifugal compressors.
Book Synopsis A Theoretical and Experimental Investigation Into the Performance of a Centrifugal Compressor with Special Reference to the Phenomenon of Surging by : E. -C. Sung
Download or read book A Theoretical and Experimental Investigation Into the Performance of a Centrifugal Compressor with Special Reference to the Phenomenon of Surging written by E. -C. Sung and published by . This book was released on 1948 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation of the Circumferential Static Pressure Distortion in Centrifugal Compressor Stages by : D. Hagelstein
Download or read book Experimental Investigation of the Circumferential Static Pressure Distortion in Centrifugal Compressor Stages written by D. Hagelstein and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented at the International Gas Turbine & Aeroengine Congress & Exhibition, Orlando, FL, Jun 2-Jun 5, 1997.
Book Synopsis Experimental Investigation of Roughness Effects on Centrifugal Compressor Performance by : Elias Kalogeropoulos
Download or read book Experimental Investigation of Roughness Effects on Centrifugal Compressor Performance written by Elias Kalogeropoulos and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An experimental investigation of rotating stall flow in a centrifugal compressor by : N. Kammer
Download or read book An experimental investigation of rotating stall flow in a centrifugal compressor written by N. Kammer and published by . This book was released on 1982 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 7th International Conference on Compressors and their Systems 2011 by : IMechE
Download or read book 7th International Conference on Compressors and their Systems 2011 written by IMechE and published by Elsevier. This book was released on 2011-09-02 with total page 537 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the papers presented at the 7th International Conference on Compressors and their Systems at City University London in conjunction with the IMECHE. This conference is the ultimate global forum for reviewing the latest developments and novel approaches in compressor research. It features contributions from equipment manufacturers, suppliers, users and research organisations; these papers present developments in air, gas and refrigeration compressors; vacuum pumps; expanders; and related systems and components. Papers cover the design, development and operation of a wide range of compressors and expanders. Equipment manufacturers, suppliers, users and research organisations are all represented. Aspects covered include: present and future developments in scroll compressors; design and optimisation of screw compressors; latest thinking in oscillating and vane compressors; improving the function of valves; latest research in dynamic compressors; detailed analysis of reciprocating compressors; improved accuracy and usefulness of modelling techniques; developing better control of centrifugal compressors; and reducing unwanted noise and vibration. Presents all the papers of the International Conference on Compressors and their Systems 2011 Up to date papers on compressor technology improvements The latest prediction modelling techniques are presented
Book Synopsis Design and Analysis of Centrifugal Compressors by : Rene Van den Braembussche
Download or read book Design and Analysis of Centrifugal Compressors written by Rene Van den Braembussche and published by John Wiley & Sons. This book was released on 2019-04-08 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive overview of fluid dynamic models and experimental results that can help solve problems in centrifugal compressors and modern techniques for a more efficient aerodynamic design. Design and Analysis of Centrifugal Compressors isacomprehensive overview of the theoretical fluid dynamic models describing the flow in centrifugal compressors and the modern techniques for the design of more efficient centrifugal compressors. The author — a noted expert in the field, with over 40 years of experience — evaluates relevant numerical and analytical prediction models for centrifugal compressors with special attention to their accuracy and limitations. Relevant knowledge from the last century is linked with new insights obtained from modern CFD. Emphasis is to link the flow structure, performance and stability to the geometry of the different compressor components. Design and Analysis of Centrifugal Compressors is an accessible resource that combines theory with experimental data and previous research with recent developments in computational design and optimization. This important resource Covers the basic information concerning fluid dynamics that are specific for centrifugal compressors and clarifies the differences with axial compressors Provides an overview of performance prediction models previously developed in combination with extra results from research conducted by the author Describes helpful numerical and analytical models for the flow in the different components in relation to flow stability, operating range and performance Includes the fundamental information for the aerodynamic design of more efficient centrifugal compressors Explains the use of computational fluid dynamics (CFD) for the design and analysis of centrifugal compressors Written for engineers, researchers and designers in industry as well as for academics specializing in the field, Design and Analysis of Centrifugal Compressors offers an up to date overview of the information needed for the design of more effective centrifugal compressors.
Book Synopsis Multistage centrifugal compressor surge analysis part I: experimental investigation, ASME 98-GT-68 by : G. L. Arnulfi
Download or read book Multistage centrifugal compressor surge analysis part I: experimental investigation, ASME 98-GT-68 written by G. L. Arnulfi and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented at the International Gas Turbine & Aeroengine Congress & Exhibition, Stockholm, Sweden, June 2 - June 5, 1998.
Book Synopsis Experimental Investigation of the Near-surge Flow in a High Performance Centrifugal Compressor by : Roland Sovrano
Download or read book Experimental Investigation of the Near-surge Flow in a High Performance Centrifugal Compressor written by Roland Sovrano and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Theoretical and Experimental Investigation of the Flow at the Inlet of the Vaned Diffuser by : G. Verdonk
Download or read book Theoretical and Experimental Investigation of the Flow at the Inlet of the Vaned Diffuser written by G. Verdonk and published by . This book was released on 1978 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental investigation on the operational stability of multistage centrifugal compression systems, ASME 99-GT-429 by : Chaoqun Nie
Download or read book Experimental investigation on the operational stability of multistage centrifugal compression systems, ASME 99-GT-429 written by Chaoqun Nie and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented at the International Gas Turbine & Aeroengine Congress & Exhibition, Indianapolis, Indiana, Jun 7-Jun 10, 1999.
Book Synopsis An Experimental Investigation Into the Flow Through a Centrifugal Compressor by : Faris Fakhri ABDUL-KADIR
Download or read book An Experimental Investigation Into the Flow Through a Centrifugal Compressor written by Faris Fakhri ABDUL-KADIR and published by . This book was released on 1973 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Experimental Investigation Into the Flow Through a Centrifugal Compressor by : Robert Paul STAM
Download or read book An Experimental Investigation Into the Flow Through a Centrifugal Compressor written by Robert Paul STAM and published by . This book was released on 1973 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
