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Numerical And Experimental Investigation Of Instability Inception In A High Speed Axial Flow Compressor Using Chaos Theory
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Book Synopsis Numerical and Experimental Investigation of Instability Inception in a High-speed Axial-flow Compressor Using Chaos Theory by : Tsuguji Nakano
Download or read book Numerical and Experimental Investigation of Instability Inception in a High-speed Axial-flow Compressor Using Chaos Theory written by Tsuguji Nakano and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit: 02-4050 - 02-4099 by :
Download or read book 38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit: 02-4050 - 02-4099 written by and published by . This book was released on 2002 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Compressor Instability with Integral Methods by : Eddie Y.K. Ng
Download or read book Compressor Instability with Integral Methods written by Eddie Y.K. Ng and published by Springer Science & Business Media. This book was released on 2007-07-07 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together the quick integral approaches and advances in the field for the prediction of stall and surge problems in the compressor. The book is useful for people involved in the flow analysis, design and testing of rotating machinery. For students, it can be used as a specialized topic of senior undergraduate or graduate study. The book can also serve as self-study material.
Book Synopsis Analysis of Instability Inception in High-speed Multi-stage Axial-flow Compressors by : Gavin J. Hendricks
Download or read book Analysis of Instability Inception in High-speed Multi-stage Axial-flow Compressors written by Gavin J. Hendricks and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented at the International Gas Turbine and Aeroengine Congress & Exhibition Birmingham, UK - June 10-13, 1996.
Book Synopsis Investigation of an Impulse Axial-flow Compressor by : John R. Erwin
Download or read book Investigation of an Impulse Axial-flow Compressor written by John R. Erwin and published by . This book was released on 1950 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation of the Flow Field in a Transonic, Axial Flow Compressor with Respect to the Development of Blockage and Loss by : Kenneth Lee Suder
Download or read book Experimental Investigation of the Flow Field in a Transonic, Axial Flow Compressor with Respect to the Development of Blockage and Loss written by Kenneth Lee Suder and published by . This book was released on 1996 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Tests of a Six-stage Axial-flow Compressor Having a Tip Speed of 550 Feet Per Second and a Flat Operating Characteristic at Constant Speed by : Willard R. Westphal
Download or read book Design and Tests of a Six-stage Axial-flow Compressor Having a Tip Speed of 550 Feet Per Second and a Flat Operating Characteristic at Constant Speed written by Willard R. Westphal and published by . This book was released on 1958 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: A six-stage axial-flow compressor with a tip speed of 550 feet per second and a flat operating characteristics at constant speed has been designed and tested. It was designed for a constant power input per pound of flow in expectation that this would result in a wider mass-flow operating range at a given stagnation-presssure ratio. The design specific weight flow was 21.3 pounds per second per square foot of frontal area at atmospheric discharge with a stagnation-pressure ratio of 3.25 and an inlet hub-tip radius ratio of 0.7. Several configurations consisting of various blade setting angles and solidities were tested. Tests showed that the design flow, pressure ratio, and flat operating characteristic were obtained over a range of 10 percent of design flow at a peak efficiency of 82 percent for design conditions. The compressor had a possible immediate application for air removal from a large slotted-throat transonic wind tunnel, but the design theory could apply to any low-speed industrial compressor or second spool of a turbojet engine.
Book Synopsis Numerical and Experimental Investigations of Unsteady Flows in Low-speed Axial Compressors by : M. A. Langley
Download or read book Numerical and Experimental Investigations of Unsteady Flows in Low-speed Axial Compressors written by M. A. Langley and published by . This book was released on 2002 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aerodynamic Design of Axial-flow Compressors by : Lewis Research Center
Download or read book Aerodynamic Design of Axial-flow Compressors written by Lewis Research Center and published by . This book was released on 1965 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Investigation of the Surge Behavior of a High-speed Ten-stage Axial Flow Compressor by : Patrick M. Russler
Download or read book An Investigation of the Surge Behavior of a High-speed Ten-stage Axial Flow Compressor written by Patrick M. Russler and published by . This book was released on 1993 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1988 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analytical and Experimental Investigation of Rotating Stall Phenomena in Turbine Engine Compressors by :
Download or read book Analytical and Experimental Investigation of Rotating Stall Phenomena in Turbine Engine Compressors written by and published by . This book was released on 1967 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Investigation of the Dynamic Characteristics of Axial Flow Compressors by : Guo-Cai Tang
Download or read book An Investigation of the Dynamic Characteristics of Axial Flow Compressors written by Guo-Cai Tang and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper reports an experimental investigation of the dynamic behavior of an axial flow compressor when the flow rate if forced to vary quickly. The results are discussed in two aspects: general trends and special points. Generally, there is a deviation of the dynamic characteristic from the steady-state one, depending upon the algebraic sum of the inertial effect and the lag effect. For the present axial flow compressor, lightly-loaded, the dynamic characteristic goes above the steady-state one while closing the valve and below the steady-state one for opening the valve. Physical explanation is given to the general trend and also to the difference between the behavior of the axial flow compressor and that of the centrifugal compressor. Specifically, the rapid closing of the valve will end up with an operating point end dynamic breaking into the instability limit while the throttle setting is somewhat away from the instability limit position for steady-state operation; and the rapid opening of the valve may produce an initial transient decrease in flow rate thus may have an initial dynamic breaking into the instability limit. Physical explanation is also given to these two special points, which are of great engineering interest with regard to the instability issue.
Book Synopsis Facilitating Higher-fidelity Simulations of Axial Compressor Instability and Other Turbomachinery Flow Conditions by : Gregory Paul Herrick
Download or read book Facilitating Higher-fidelity Simulations of Axial Compressor Instability and Other Turbomachinery Flow Conditions written by Gregory Paul Herrick and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The quest to accurately capture flow phenomena with length-scales both short and long and to accurately represent complex flow phenomena within disparately sized geometry inspires a need for an efficient, high-fidelity, multi-block structured computational fluid dynamics (CFD) parallel computational scheme. This research presents and demonstrates a more efficient computational method by which to perform multi-block structured CFD parallel computational simulations, thus facilitating higher-fidelity solutions of complicated geometries (due to the inclusion of grids for "small" flow areas which are often merely modeled) and their associated flows. This computational framework offers greater flexibility and user-control in allocating the resource balance between process count and wallclock computation time. The principal modifications implemented in this revision consist of a "multiple grid-block per processing core" software infrastructure and an analytic computation of viscous flux Jacobians. The development of this scheme is largely motivated by the desire to simulate axial compressor stall inception with more complete gridding of the flow passages (including rotor tip clearance regions) than has been previously done while maintaining high computational efficiency (i.e., minimal consumption of computational resources), and thus this paradigm shall be demonstrated with an examination of instability in a transonic axial compressor. However, the paradigm presented herein facilitates CFD simulation of myriad previously impractical geometries and flows and is not limited to detailed analyses of axial compressor flows. While the simulations presented herein were technically possible under the previous structure of the subject software, they were much less computationally efficient and thus not pragmatically feasible; the previous research using this software to perform three-dimensional, full-annulus, time-accurate, unsteady, full-stage (with sliding-interface) simulations of rotating stall inception in axial compressors utilized tip clearance periodic models, while the scheme here is demonstrated by a simulation of axial compressor stall inception utilizing gridded rotor tip clearance regions. As will be discussed, much previous research --- experimental, theoretical, and computational --- has suggested that understanding clearance flow behavior is critical to understanding stall inception, and previous computational research efforts which have used tip clearance models have begged the question, "What about the clearance flows?". This research begins to address that question.
Book Synopsis Aerodynamic Design of Axial Flow Compressors by : Robert O. Bullock
Download or read book Aerodynamic Design of Axial Flow Compressors written by Robert O. Bullock and published by . This book was released on 1965 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation of a Five-stage Axial-flow Research Compressor with Transonic Rotors in All Stages by : Karl Kovach
Download or read book Experimental Investigation of a Five-stage Axial-flow Research Compressor with Transonic Rotors in All Stages written by Karl Kovach and published by . This book was released on 1954 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt:
