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Active Stabilization Of Rotating Stall And Surge In A Transonic Single Stage Axial Compressor
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Book Synopsis Active Stabilization of Rotating Stall and Surge in a Transonic Single Stage Axial Compressor by : Harald Jürgen Weigl
Download or read book Active Stabilization of Rotating Stall and Surge in a Transonic Single Stage Axial Compressor written by Harald Jürgen Weigl and published by . This book was released on 1997 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Active stabilization of rotating stall and surge in a transonic single stage axial compressor, ASME 97-GT-411 by : H. J. Weigl
Download or read book Active stabilization of rotating stall and surge in a transonic single stage axial compressor, ASME 97-GT-411 written by H. J. Weigl 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 Active Stabilization of Aeromechanical Systems by :
Download or read book Active Stabilization of Aeromechanical Systems written by and published by . This book was released on 1993 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report details the work on the active control of surge and stall in gas turbine engines. The use of small amplitude waves predicted by theory as stall precursors were tested with experimental data. The nonlinear behavior of such waves was shown to explain much of the data in the literature. This theory was used to design an active stabilization system for rotating stall which was tested on both a single-stage and a three-stage axial compressor, increasing the stable operating range of the single-stage compressor by 25%. The dynamics of the three-stage compressor were shown to match closely with theory. The open- loop forced response characteristics of the compressors were measured and methodology developed in which this data was used to design the compressor control system. The models then developed were used to evaluate alternate control strategies. Engineering of the structural dynamics of the compression system was also shown to be successful in damping rotating stall and surge ... Active control, Compression system flow instabilities, Unsteady flow, Fluid-Structure interaction.
Book Synopsis Active Control of Rotating Stall in Axial Compressors by : James Donald Paduano
Download or read book Active Control of Rotating Stall in Axial Compressors written by James Donald Paduano and published by . This book was released on 1992 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Unsteady transition characteristics of rotating stall in a single-stage transonic axial compressor, ASME 99-GT-432 by : Chaoqun Nie
Download or read book Unsteady transition characteristics of rotating stall in a single-stage transonic axial compressor, ASME 99-GT-432 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 Active Control of Rotating Stall in a Transonic Compressor Stage with Inlet Distortion by : Zoltán Sándor Spakovszky
Download or read book Active Control of Rotating Stall in a Transonic Compressor Stage with Inlet Distortion written by Zoltán Sándor Spakovszky and published by . This book was released on 1999 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Compressor Stability and Control: Review and Practical Implications by : James D. Paduano
Download or read book Compressor Stability and Control: Review and Practical Implications written by James D. Paduano and published by . This book was released on 2001 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper discusses developments in axial compressor stability modeling over the last several years and related work in active control of rotating stall and surge. Several major themes have emerged during this work. One theme is the interplay between hydrodynamic perturbations in axial compressors and instability inception. The former obey linearized dynamical equations but their resonance and instability can trigger a variety of nonlinear events leading to violent oscillations in the compressor flow. An understanding of the key physical phenomena associated with stall inception as opposed to those governing fully developed stall or surge is critical to alleviating stall by design means or through active control. Another theme is the utility of actuators for understanding compressor stability. Active control work bas prompted the installation of high-response forcing devices in compressors; even without feedback these have yielded much new information about compressor unsteady behavior. Finally the paper reviews the methods and prospects for using active stabilization to extend the stable operating range of compressors, improving their surge margin and thus increasing overall reliability and performance. Experiments have progressed from laboratory scale demonstrations to full-scale rig and engine tests in about a decade. Competing theories about the physical mechanisms the difficulties associated with stabilization and the goals and control techniques for rotating stall have led to a rich research base on which compressor stability and control technology is being built.
Book Synopsis Compressor Surge and Rotating Stall by : Jan Tommy Gravdahl
Download or read book Compressor Surge and Rotating Stall written by Jan Tommy Gravdahl and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series Advances in Industrial Control aims to report and encourage technology transfer in control engineering. The rapid development of control technology impacts all areas of the control discipline. New theory, new controllers, actuators, sensors, new industrial processes, computer methods, new applications, new philosophies . . . , new challenges. Much of this development work resides in industrial reports, feasibility study papers and the reports of advanced collaborative projects. The series offers an opportunity for researchers to present an extended exposition of such new work in all aspects of industrial control for wider and rapid dissemination. Operating plant as close as possible to constraint boundaries so often brings economic benefits in industrial process control. This is the conundrum at the heart of this monograph by Tommy Gravdahl and Olav Egeland on stall control for compressors. Operation of the compressor closer to the surge line can increase operational efficiency and flexibility The approach taken by the authors follows the modern control system paradigm: -physical understanding, detailed modelling and simulation studies and finally control studies. The thoroughness of the presentation, bibliography and appendices indicates that the volume has all the hallmarks of being a classic for its subject. Despite the monograph's narrow technical content, the techniques and insights presented should appeal to the wider industrial control community as well as the gas turbine/compressor specialist. M. J. Grimble and M. A.
Book Synopsis Active Control of Rotating Stall in a Three-stage Axial Compressor by : Joel M. Haynes
Download or read book Active Control of Rotating Stall in a Three-stage Axial Compressor written by Joel M. Haynes and published by . This book was released on 1993 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Unsteady Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines by : Kenneth C. Hall
Download or read book Unsteady Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines written by Kenneth C. Hall and published by Springer Science & Business Media. This book was released on 2006-05-11 with total page 605 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook is a collection of technical papers that were presented at the 10th International Symposium on Unsteady Aerodynamics, Aeroacoustics, and Aeroelasticity of Turbomachines held September 8-11, 2003 at Duke University in Durham, North Carolina. The papers represent the latest in state of the art research in the areas of aeroacoustics, aerothermodynamics, computational methods, experimental testing related to flow instabilities, flutter, forced response, multistage, and rotor-stator effects for turbomachinery.
Book Synopsis Compressor Surge and Stall by : R. C. Pampreen
Download or read book Compressor Surge and Stall written by R. C. Pampreen and published by . This book was released on 1993 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: High efficiency axial and centrifugal compressors are important in fields as diverse as aircraft engines, superchargers and turbochargers, process and refrigeration compressors. Compressors must achieve high efficiency in blade rows in diffusing flow fields. Of equal and sometimes greater importance is the range os stable operation of the compressor. Blade row stall characteristics determine the limit os stable operation. Blading can stall uniformly with symmetric flow breakdown or asymmetrically in rotating stall, wich propagates around the periphery of the blade row. Depending on aerodynamic conditions, surge may occur instead of, in concert with, or subsequent to blade row stall. The transient breakdown and recovery of aerodynamic loading not only limits compressor performance but also leads to mechanical failures caused by the vibrational loads imposed on the blades. There is no need to know what initiates these performance limits so that surge and stall margins can be optimized and control strategies can be planned. the first step toward understanding is to be knowledgeable about he physical processes occurring during surge and stall. This will permit the designer to anticipate variable geometry needs such as variable inlet guide vanes, variable statuors, and bleed port strategies. Theoritical treatment is far from being well established, however, there are many approaches discussed in the literature. This book is a unique reference to the subject matter. Physical descriptions of the phenomena are given, test results are presented, and analytical studies are discussed. There has been much written about the experimental investigations and theoretical treatments related to surge and stall. To assist those who would pursue advancements in furthering ou knowledge of surge and stall, it seemed appropriate to have a resource that contains a compendium of information on this subject. That is the purpose of this book. [Source : d'après la 4e de couverture].
Download or read book Research & Technology 1997 written by and published by DIANE Publishing. This book was released on 1998 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Active Control of Rotating Stall in a Three-stage Axial Compressor by :
Download or read book Active Control of Rotating Stall in a Three-stage Axial Compressor written by and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: By Joel M. Haynes.
Book Synopsis Studies in the Control of Rotating Stall in a Single Stage Axial Compressor by : Huajun Liu
Download or read book Studies in the Control of Rotating Stall in a Single Stage Axial Compressor written by Huajun Liu and published by . This book was released on 1999 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ASME Technical Papers written by and published by . This book was released on 2001 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermal Engineering in Power Systems by : Ryoichi Amano
Download or read book Thermal Engineering in Power Systems written by Ryoichi Amano and published by WIT Press. This book was released on 2008 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research and development in thermal engineering for power systems are of significant importance to many scientists who are engaged in research and design work in power-related industries and laboratories. This book focuses on variety of research areas including Components of Compressor and Turbines that are used for both electric power systems and aero engines, Fuel Cells, Energy Conversion, and Energy Reuse and Recycling Systems. To be competitive in today's market, power systems need to reduce the operating costs, increase capacity factors and deal with many other tough issues. Heat Transfer and fluid flow issues are of great significance and it is likely that a state-of-the-art edited book with reference to power systems will make a contribution for design and R&D engineers and the development towards sustainable energy systems.
Book Synopsis Rotating Machinery Research and Development Test Rigs by : Maurice L. Adams
Download or read book Rotating Machinery Research and Development Test Rigs written by Maurice L. Adams and published by CRC Press. This book was released on 2017-07-20 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rotating Machinery Research and Development Test Rigs presents the purpose and development processes for test apparatuses built for Research & Development in machinery technology and product development. Each R & D apparatus is the focus of an entire chapter, with fifteen detailed case studies included from mechanical, aerospace, chemical and biomedical engineering. Specific machinery components covered include bearings, seals, power plant pumps, rotors, turbines and compressors. Machinery condition monitoring and product development processes have been integrated. The specific purpose and results for each test rig are comprehensively presented and explained.
