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Unsteady Flow Phenomena In Centrifugal Turbomachinery
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Book Synopsis Unsteady Flow Phenomena in Centrifugal Turbomachinery by : D. A. Fink
Download or read book Unsteady Flow Phenomena in Centrifugal Turbomachinery written by D. A. Fink and published by . This book was released on 1986 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The research is an experimental investigation of system dynamics, unsteady effects, and detailed flow instabilities in a centrifugal compressor. The surge line, which marks the onset of instability and hence limits the minimum stable operating regime, is a primary design constraint in matching the compressor to downstream turbine and combustor (gas turbine gas generator) or diesel engine (turbocharger). the ultimate goal of this research is a thorough understanding of the events occurring in the compression system which cause surge.
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development Publisher : ISBN 13 : Total Pages :580 pages Book Rating :4.3/5 (243 download)
Book Synopsis Unsteady Phenomena in Turbomachinery by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development
Download or read book Unsteady Phenomena in Turbomachinery written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development and published by . This book was released on 1976 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Unsteady Flow Phenomena in Turbomachines by :
Download or read book Unsteady Flow Phenomena in Turbomachines written by and published by . This book was released on 1993 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes work carried out at the Gas Turbine Laboratory at MIT during the period 10/20/89 - 10/19/92, as part of our multi-investigator effort on basic unsteady flow phenomena in turbomachines. Within the overall project four separate tasks are specified. These are. in brief: (1) The Influence of Inlet Temperature Nonuniformities on Turbine Heat Transfer and Dynamics; (2) Assessment of Unsteady Losses in Stator/ Rotor Interactions; (3) Unsteady Phenomena and Flowfield instabilities in Multistage Axial Compressors; IV. Vortex Wake-Compressor Blade Interaction in Cascades: A New Rapid Method for Unsteady Separation and Vorticity Flux Calculations.
Book Synopsis Unsteady Flow in Turbomachinery by : Ronald Mailach
Download or read book Unsteady Flow in Turbomachinery written by Ronald Mailach and published by . This book was released on 2010 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main source of unsteadiness in the stable operating range of turbomachinery is the aerodynamical interaction of the rotor and stator rows. The blades and vanes, moving relatively to each other, interact due to viscous wakes, secondary flow phenomena as well as potential effects. As a result of this, the real flow field is highly periodically unsteady and very complex, especially in multistage engines. These effects are not yet typically addressed in current design systems of turbomachinery. It is therefore a challenge to include beneficial unsteady and secondary flow effects to improve the engine performance. This requires a detailed physical understanding of the flow field as well as the resulting influences on performance and flow stability. The present work focuses on the effects appearing in multistage axial compressors. Different aspects of blade row interactions in a four-stage low-speed compressor are discussed in comparison to the existing physical understanding. This includes experimental results on the periodical unsteady flow field within the axial gaps between the blade rows as well as the flow field within the rotor blade passages. Furthermore, the unsteady behaviour of the blade boundary layer is considered. Other discussed aspects are the influence of wakes and potential effects on the unsteady profile pressures and the excited blade pressure forces. With this work a comprehensive picture on the different features of blade row interaction is drawn."--Back cover.
Download or read book Unsteady Flow in Turbomachines written by and published by . This book was released on 1984 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Worked Examples in Turbomachinery by : S. L. Dixon
Download or read book Worked Examples in Turbomachinery written by S. L. Dixon and published by Elsevier. This book was released on 2014-05-23 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: Worked Examples in Turbomachinery (Fluid Mechanics and Thermodynamics) is a publication designed to supplement the materials in Fluid Mechanics, Thermodynamics of Turbomachinery, Second Edition. The title provides detailed solution for the unanswered problems from the main textbook. The text first covers dimensional analysis, and then proceeds to tackling thermodynamics. Next, the selection discusses two-dimensional cascades. The text also talks about axial flow turbines and compressors, along with the three-dimensional flow in axial turbo machines. Chapter 7 covers centrifugal compressor and pumps, while Chapter 8 tackles radial flow turbines. The book will be of great use to students of mechanical engineering, particularly those who have access to the main textbook.
Author :ADVISORY GROUP FOR AEROSPACE RESEARCH AND DEVELOPMENT PARIS (France) Publisher : ISBN 13 : Total Pages :560 pages Book Rating :4.:/5 (227 download)
Book Synopsis Unsteady Phenomena in Turbomachinery by : ADVISORY GROUP FOR AEROSPACE RESEARCH AND DEVELOPMENT PARIS (France)
Download or read book Unsteady Phenomena in Turbomachinery written by ADVISORY GROUP FOR AEROSPACE RESEARCH AND DEVELOPMENT PARIS (France) and published by . This book was released on 1976 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: In designing the blading of a compressor or turbine the airflow is assumed to be steady. In reality the flow must always be unsteady. Small-scale disturbances arise from the proximity of passing blades; sometimes large scale disturbances result from distorted inlet flows. In a compressor, self-excited large scale disturbances may occur in the form of rotating stall. These unsteady effects are important because they may limit the range of efficient operation, or they may excite destructive blade vibrations. During recent years, improved instruments have enabled unsteady flows to be measured within cascades and turbomachines. The attention of the Meeting will be focussed on the improved understanding so obtained of the fluid mechanics of unsteady turbomachinery flows, the ways in which this understanding can be expressed in theoretical models, and the practical application of the research to turbomachinery design. (Author).
Book Synopsis Unsteady and Three-Dimensional Flow in Turbomachines by :
Download or read book Unsteady and Three-Dimensional Flow in Turbomachines written by and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes work carried out at the Gas Turbine Laboratory at MIT during the period 3/1/96-9/30/99, as part of a multi-investigator effort on unsteady and three dimensional flow phenomena in turbomachines. Within the overall project, three separate tasks are specified. These are, in brief: (1) Characterization of Fully-Scaled, Unsteady Film-Cooled Turbine Blade Heat Transfer and Aerodynamics; (2) Flow Control in Compression Systems by Viscous Flow Removal; and (3) Unsteady Phenomena in Turbomachinery Endwall Flows.
Book Synopsis Developments in Turbomachinery Flow by : Nader Montazerin
Download or read book Developments in Turbomachinery Flow written by Nader Montazerin and published by Woodhead Publishing. This book was released on 2015-07-02 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: Developments in Turbomachinery Flow: Forward Curved Centrifugal Fans explores the forward curved squirrel cage fan as an excellent instrument for fluid mechanics research in turbomachines. The book explores phenomena such as jet/wake interaction, circulation, separation and noise in turbomachines, also addressing the characteristics that are specific to this fan and applications in other centrifugal turbomachines. Chapters begin with a general introduction that includes research techniques and a survey of older research, and then proceed into a detailed description of improvements for different parts of the fan, including the inlet, the rotor and the volute. Final sections include a comprehensive discussion on geometrical modifications that could improve performance without impacting cost. Explores how forward curved centrifugal fans have wide industrial application Discusses the strong trade-off between fan aerodynamics and construction cost Provides a wide selection of optimums for geometrical configuration Introduces new geometries that can improve performance and reduce noise for the same construction cost Presents fluid phenomena as a potential research field for this fan
Book Synopsis Aerospace Turbomachinery Flow Physics by :
Download or read book Aerospace Turbomachinery Flow Physics written by and published by . This book was released on 2003 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document constitutes the final report on a multi-investigator research program on "Aerospace Turbo machinery Flow Physics". The research program encompasses the following four technical areas: (1) Flutter clearance in aircraft engine compressors (2) Physics of coolant/main flow interactions in advanced aircraft/rocket turbines (3) Tip clearance flow effects in axial and centrifugal turbomachines (4) Use of an active rotor to delineate parametric dependence of aerodynamic damping A common theme that threaded through these research areas is three dimensional and/or unsteady flow phenomena, and the enhancement of overall performance of turbomachines through flow management and design. In other words it is our view that the primary challenges to achieving increased overall performance of turbomachines are linked to local phenomena which are inherently three-dimensional and/or unsteady.
Book Synopsis Handbook of Turbomachinery by : Earl Logan, Jr.
Download or read book Handbook of Turbomachinery written by Earl Logan, Jr. and published by CRC Press. This book was released on 2003-05-01 with total page 829 pages. Available in PDF, EPUB and Kindle. Book excerpt: Building on the success of its predecessor, Handbook of Turbomachinery, Second Edition presents new material on advances in fluid mechanics of turbomachinery, high-speed, rotating, and transient experiments, cooling challenges for constantly increasing gas temperatures, advanced experimental heat transfer and cooling effectiveness techniques, and propagation of wake and pressure disturbances. Completely revised and updated, it offers updated chapters on compressor design, rotor dynamics, and hydraulic turbines and features six new chapters on topics such as aerodynamic instability, flutter prediction, blade modeling in steam turbines, multidisciplinary design optimization.
Book Synopsis Unsteady Flows in Turbomachines by :
Download or read book Unsteady Flows in Turbomachines written by and published by . This book was released on 1984 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Unsteady Flow Interactions in Centrifugal Turbomachinery Configurations by : Antonios Koumoutsos
Download or read book Unsteady Flow Interactions in Centrifugal Turbomachinery Configurations written by Antonios Koumoutsos and published by . This book was released on 1999 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Unsteady Flow in Turbomachines written by and published by . This book was released on 1979 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Meinhard T. Schobeiri Publisher :Springer Science & Business Media ISBN 13 :3642246753 Total Pages :738 pages Book Rating :4.6/5 (422 download)
Book Synopsis Turbomachinery Flow Physics and Dynamic Performance by : Meinhard T. Schobeiri
Download or read book Turbomachinery Flow Physics and Dynamic Performance written by Meinhard T. Schobeiri and published by Springer Science & Business Media. This book was released on 2012-05-01 with total page 738 pages. Available in PDF, EPUB and Kindle. Book excerpt: With this second revised and extended edition, the readers have a solid source of information for designing state-of-the art turbomachinery components and systems at hand. Based on fundamental principles of turbomachinery thermo-fluid mechanics, numerous CFD based calculation methods are being developed to simulate the complex 3-dimensional, highly unsteady turbulent flow within turbine or compressor stages. The objective of this book is to present the fundamental principles of turbomachinery fluid-thermodynamic design process of turbine and compressor components, power generation and aircraft gas turbines in a unified and compact manner. The book provides senior undergraduate students, graduate students and engineers in the turbomachinery industry with a solid background of turbomachinery flow physics and performance fundamentals that are essential for understanding turbomachinery performance and flow complexes. While maintaining the unifying character of the book structure in this second revised and extended edition all chapters have undergone a rigorous update and enhancement. Accounting for the need of the turbomachinery community, three chapters have been added, that deal with computationally relevant aspects of turbomachinery design such as boundary layer transition, turbulence and boundary layer.
Book Synopsis Thermodynamics and Fluid Mechanics of Turbomachinery by : A. Ş Üçer
Download or read book Thermodynamics and Fluid Mechanics of Turbomachinery written by A. Ş Üçer and published by . This book was released on 1985 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fluid Mechanics and Thermodynamics of Turbomachinery by : Sydney Lawrence Dixon
Download or read book Fluid Mechanics and Thermodynamics of Turbomachinery written by Sydney Lawrence Dixon and published by Elsevier. This book was released on 1998 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the intervening 20 years since the 3rd edition of this textbook many advances have been made in the design of turbines and greater understanding of the processes involved have been gained. This 4th edition brings the book up to date.
