Bibliography on Propulsion Airframe Integration Technologies for High-speed Civil Transport Applications, 1980-1991

Bibliography on Propulsion Airframe Integration Technologies for High-speed Civil Transport Applications, 1980-1991 PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 352

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Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 772

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NASA Technical Memorandum

NASA Technical Memorandum PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 492

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Scientific and Technical Information Output of the Langley Research Center for Calendar Year ...

Scientific and Technical Information Output of the Langley Research Center for Calendar Year ... PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 252

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Scientific and Technical Information Output of the Langley Research Center for Calendar Year 1980

Scientific and Technical Information Output of the Langley Research Center for Calendar Year 1980 PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 252

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Small Business Innovation Research

Small Business Innovation Research PDF Author:
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ISBN:
Category : Small business
Languages : en
Pages : 168

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Power-Based Study of Boundary Layer Ingestion for Aircraft Application

Power-Based Study of Boundary Layer Ingestion for Aircraft Application PDF Author: Peijian Lv
Publisher: Springer Nature
ISBN: 9811954976
Category : Technology & Engineering
Languages : en
Pages : 138

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This book presents research on Boundary Layer Ingestion (BLI). BLI is an aircraft-engine integration technique that aims at integrating the aircraft and the propulsion system such that the overall aircraft fuel consumption can be reduced. In this research, theoretical analysis suggests that the minimization of total power consumption should be used as a design criterion for aircraft utilizing BLI rather than focusing on the minimization of drag. Numerical simulations are performed, and the simulation results are processed using the PBM to support the theoretical analysis. Furthermore, an experimental study is carried out with a focus on the power conversion processes involved for a propulsor operating in the wake. Stereoscopic PIV is employed in order to visualize the flow and understand the physics. The so-called Power-based Method is used to quantify the power conversion mechanisms. The results prove that the dominant mechanism responsible for the efficiency enhancement is due to the utilization of body wake energy by the wake ingesting propeller. In short, the importance of wake energy flow rate in understanding the BLI phenomenon is highlighted. This book will be useful for researchers in the field of aircraft propulsion, aircraft aerodynamics, and airframe propulsion integration.

Modern Aerodynamic Methods for Direct and Inverse Applications

Modern Aerodynamic Methods for Direct and Inverse Applications PDF Author: Wilson C. Chin
Publisher: John Wiley & Sons
ISBN: 1119580560
Category : Technology & Engineering
Languages : en
Pages : 440

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A powerful new monograph from an aerodynamicist reviewing modern conventional aerodynamic approaches, this volume covers aspects of subsonic, transonic and supersonic flow, inverse problems, shear flow analysis, jet engine power addition, engine and airframe integration, and other areas, providing readers with the tools needed to evaluate their own ideas and to implement the newer methods suggested in this book. This new book, by a prolific fluid-dynamicist and mathematician who has published more than twenty research monographs, represents not just another contribution to aerodynamics, but a book that raises serious questions about traditionally accepted approaches and formulations, providing new methods that solve longstanding problems of importance to the industry. While both conventional and newer ideas are discussed, the presentations are readable and geared to advanced undergraduates with exposure to elementary differential equations and introductory aerodynamics principles. Readers are introduced to fundamental algorithms (with Fortran source code) for basic applications, such as subsonic lifting airfoils, transonic supercritical flows utilizing mixed differencing, models for inviscid shear flow aerodynamics, and so on. These are models they can extend to include newer effects developed in the second half of the book. Many of the newer methods have appeared over the years in various journals and are now presented with deeper perspective and integration. This book helps readers approach the literature more critically. Rather than simply understanding an approach, for instance, the powerful "type differencing" behind transonic analysis, or the rationale behind "conservative" formulations, or the use of Euler equation methods for shear flow analysis when they are unnecessary, the author guides and motivates the user to ask why and why not and what if. And often, more powerful methods can be developed using no more than simple mathematical manipulations. For example, Cauchy-Riemann conditions, which are powerful tools in subsonic airfoil theory, can be readily extended to handle compressible flows with shocks, rotational flows, and even three-dimensional wing flowfields, in a variety of applications, to produce powerful formulations that address very difficult problems. This breakthrough volume is certainly a "must have" on every engineer's bookshelf.

Technical Abstract Bulletin

Technical Abstract Bulletin PDF Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 866

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The Aeronautical Journal

The Aeronautical Journal PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 436

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