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Passage Averaged Description Of Wave Rotor Flow
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Book Synopsis Passage-Averaged Description of Wave Rotor Flow by : Gerard E. Welch
Download or read book Passage-Averaged Description of Wave Rotor Flow written by Gerard E. Welch and published by . This book was released on 1997 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The unsteady flow within wave rotor passages is influenced by the rotor blade, hub, and tip shroud surface profiles. By averaging from hub to shroud and from blade to blade, a reduced set of the governing equations is obtained that is appropriate for design studies and parametric analyses. The application of these equations requires closure models for force integrals and for correlation terms that arise when the density averages of products of the flow field variables are expanded in terms of products of the density-averaged variables. The force integrals and the correlation terms depend on the instantaneous pitchwise and spanwise flow field distributions established by unsteadiness relative to the rotor, flow turning induced by blade, hub, and tip-shroud profiling, and rotation. Two approaches to model the force integrals are described. The influence of relative unsteadiness and flow turning on the correlation terms is discussed by considering the propagation of gas dynamic waves in rotor passages defined by uncambered, staggered blades and by unstaggered, cambered blades.
Book Synopsis Wave Turbine Analysis Tool Development by : Gerard E. Welch
Download or read book Wave Turbine Analysis Tool Development written by Gerard E. Welch and published by . This book was released on 1998 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: A quasi-one-dimensional (Q-1-D) computational fluid dynamic solver, previously developed and validated for pressure-exchanger wave rotors, is extended in the present work to include the blade forces of power producing wave rotors (i.e., wave turbines). The accuracy of the single-passage Q-1-D solver is assessed relative to two two-dimensional solvers: a single-passage code and a multi-block stator/rotor/stator code. Comparisons of computed results for inviscid, steady and unsteady flows in passage geometries typical of wave rotors reveal that the blade force model is accurate and that the correlation (effective stress and heat flux) terms of the Q-1-D passage-averaged formulation can be neglected. The ends of the rotor passages pose particular challenges to Q-1-D formulations because the flow there must at times deviate significantly from the mean camber line angle to match the port flow fields. This problem is most acute during the opening and closing of the rotor passages. An example sub-model is developed to account for the deviation between the flow departure angle and the mean camber line exit angle that occurs as an inviscid flow decelerates to meet a uniform pressure boundary. Comparisons of results from four-port wave turbine simulations reveal that the Q-1-D solver currently overpredicts wave turbine performance levels and highlight the need to devote future effort to the boundary conditions and sub-models of the Q-1-D solver.
Book Synopsis 33rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit by :
Download or read book 33rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit written by and published by . This book was released on 1997 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Incidence Loss Model for Wave Rotors with Axially Aligned Passages by : Daniel E. Paxson
Download or read book An Incidence Loss Model for Wave Rotors with Axially Aligned Passages written by Daniel E. Paxson and published by . This book was released on 1998 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the ASME Process Industries Division, ... : Presented at the ... ASME Mechanical Engineering Congress and Exposition, ... by :
Download or read book Proceedings of the ASME Process Industries Division, ... : Presented at the ... ASME Mechanical Engineering Congress and Exposition, ... written by and published by . This book was released on 2004 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 2003 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Numerical Investigation of the Startup Transient in a Wave Rotor by : Daniel E. Paxson
Download or read book A Numerical Investigation of the Startup Transient in a Wave Rotor written by Daniel E. Paxson and published by . This book was released on 1996 with total page 14 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 International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1998 with total page 980 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 1995 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis Shock Wave Engine Design by : Helmut E. Weber
Download or read book Shock Wave Engine Design written by Helmut E. Weber and published by John Wiley & Sons. This book was released on 1994-12-13 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by an author who has devoted the past twenty-five years ofhis life to studying and designing shock wave engines, this uniquebook offers comprehensive coverage of the theory and practice ofshock wave engine design. The only book treating the completepreliminary design of shock wave engines, it provides engineerswith practical step-by-step guidelines applicable to the design andconstruction of small, light- weight, low-powered industrialturbines as well as high performance jet aircraft engines. In his discussions of the advantages and disadvantages of shockwave versus other types of combustion engines, Dr. Weberdemonstrates how and why shock wave engines can be made to workmore efficiently than conventional gas turbines. Among otherthings, he shows quantitatively why combustion temperatures can besignificantly higher in shock wave engines than conventional gasturbines. He evaluates temperatures of moving parts in terms ofcombustion and engine inlet temperatures, and explores the effectof shock coalescence, expansion fan reflections and intersectionson port sizes and locations. And throughout, real and imaginedperformance problems are posed and proven solutions given for shockwave engines--alone and in conjunction with conventional gasturbines or reciprocating internal combustion engines. Designed to function as a practical guide, Shock Wave Engine Designoffers concise step-by-step design techniques in a readily usableformat. Engineers will find precise, detailed directions on suchessentials as how to size wave rotor blade lengths and heights andthe correct rotor diameter for a specified power, and materialselection for rotor and stator. And one entire chapter (Chapter 12)is devoted exclusively to a detailed example design for a 500 hpengine. An authoritative, highly practical guide to state-of-the-art shockwave engine design, this book is an important resource formechanical and aerospace engineers who design aircraft engines orvirtually any type of turbomachinery. Timely, authoritative, practical--an important resource forengineers who design aircraft engines or virtually any type ofturbomachinery Written by a pioneer in the field, this book offers a comprehensivecoverage of state-of-the-art shock wave engine design principlesand techniques. The only book treating the complete preliminarydesign of shock wave engines, this unique guide provides engineerswith: * Concise step-by-step guidelines applicable to the design andconstruction of small, lightweight, low-powered industrial turbinesas well as high-performance jet aircraft engines * In-depth treatments of pressure exchangers, wave engines, andwave engines compounded with reciprocating IC engines * A chapter-length example design for a 500 hp engine * A brief but thorough review of all essential thermodynamics andgas dynamics needed to develop flow equations and calculationmethods
Book Synopsis Applied Computational Fluid Dynamics by : Vijay K. Garg
Download or read book Applied Computational Fluid Dynamics written by Vijay K. Garg and published by CRC Press. This book was released on 1998-05-08 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Describes the latest techniques and real-life applications of computational fluid dynamics (CFD) and heat transfer in aeronautics, materials processing and manufacturing, electronic cooling, and environmental control. Includes new material from experienced researchers in the field. Complete with detailed equations for fluid flow and heat transfer."
Download or read book 93-2501 - 93-2534 written by and published by . This book was released on 1992 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Paper written by and published by . This book was released on 2001 with total page 492 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 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 31st AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit by :
Download or read book 31st AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit written by and published by . This book was released on 1995 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1965 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development Publisher : ISBN 13 : Total Pages :258 pages Book Rating :4.3/5 (126 download)
Book Synopsis AGARD Lecture Series by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development
Download or read book AGARD Lecture Series written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development and published by . This book was released on 199? with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
