36th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit: 2000-3100 - 2000-3149 PDF Download
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Author:
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 604
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Book Description
Author:
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 604
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Book Description
Author: Daniel A. Herman
Publisher:
ISBN:
Category :
Languages : en
Pages : 910
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Book Description
Author: Gregory Errol Chamitoff
Publisher: American Institute of Aeronautics and Astronautics Incorporated
ISBN: 9781624103995
Category : Manned space flight
Languages : en
Pages : 0
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Book Description
The purpose of this book is to share collective experience on human spaceflight operations. For the many authors, this is nothing less than a work of passion. They are sharing their life's work with the goal of passing on their experience to the next generation of space engineers, designers, operators, and crew.
Author: F. Culick
Publisher: Springer Science & Business Media
ISBN: 9400916205
Category : Technology & Engineering
Languages : en
Pages : 560
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Book Description
This book contains selected papers prepared for the NATO Advanced Study Institute on "Unsteady Combustion", which was held in Praia da Granja, Portugal, 6-17 September 1993. Approximately 100 delegates from 14 countries attended. The Institute was the most recent in a series beginning with "Instrumentation for Combustion and Flow in Engines", held in Vimeiro, Portugal 1987 and followed by "Combusting Flow Diagnostics" conducted in Montechoro, Portugal in 1990. Together, these three Institutes have covered a wide range of experimental and theoretical topics arising in the research and development of combustion systems with particular emphasis on gas-turbine combustors and internal combustion engines. The emphasis has evolved roughly from instrumentation and experimental techniques to the mixture of experiment, theory and computational work covered in the present volume. As the title of this book implies, the chief aim of this Institute was to provide a broad sampling of problems arising with time-dependent behaviour in combustors. In fact, of course, that intention encompasses practically all possibilities, for "steady" combustion hardly exists if one looks sufficiently closely at the processes in a combustion chamber. The point really is that, apart from the excellent paper by Bahr (Chapter 10) discussing the technology of combustors for aircraft gas turbines, little attention is directed to matters of steady performance. The volume is divided into three parts devoted to the subjects of combustion-induced oscillations; combustion in internal combustion engines; and experimental techniques and modelling.
Author:
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ISBN:
Category :
Languages : en
Pages : 32
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Author: L. M. Larosiliere
Publisher:
ISBN:
Category :
Languages : en
Pages : 30
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Book Description
The performance and flow structure in an unshrouded impeller of approximately 4:1 pressure ratio is synthesized on the basis of a detailed analysis of 3D viscous CFD results and aerodynamic measurements. A good data match was obtained between CFD and measurements using laser anemometry and pneumatic probes. This solidified the role of the CFD model as a reliable representation of the impeller internal flow structure and integrated performance. Results are presented showing the loss production and secondary flow structure in the impeller. The results indicate that while the overall impeller efficiency is high, the impeller shroud static pressure recovery potential is underdeveloped leading to a performance degradation in the downstream diffusing element. Thus, a case is made for a follow-on impeller parametric design study to improve the flow quality. A strategy for aerodynamic performance enhancement is outlined and an estimate of the gain in overall impeller efficiency that might be realized through improvements to the relative diffusion process is provided.
Author: Y. R. Hicks
Publisher:
ISBN:
Category :
Languages : en
Pages : 20
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 28
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Book Description
Author: AA.VV.
Publisher: Accademia University Press
ISBN: 8831978780
Category : Social Science
Languages : en
Pages : 307
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Book Description
The time of Carnival represents a "wild" time at the end of winter and pointing to the beginning of a new season. It is characterized by the irruption of border figures, animal masks, characters which recall the world of the dead and which bring within themselves the germ of a vital force, of the energy that produces the reawakening of nature and announces the growth and fertility of the new crops. This wild domain shows itself under the shapes of a contiguity between human and animal: the costumes, the masks, refer to a world in which the characteristics of the human and those of the animal are fused and intertwined. Among these figures, in particular, emerge those of the Wild Man, the human being who takes on animal-like attributes and aspects, and of the Bear, the animal that, more than all the others, gets as close as possible to the human and seems to reflect a deformed image of it. Such symbolic images come from far off times and places to tell a story that belongs to our common origins. The bear assumes attributes and functions alike in very different cultural contexts, such as the Sámi of Finland or North-American hunter-gatherers, and represents a boundary between the world of nature and the human world, between the domain of animals and the difficult construction of humanity: a process continued for centuries, perhaps millennia, and which cannot still be said complete.
Author: AA.VV.
Publisher: Accademia University Press
ISBN: 8831978764
Category : Political Science
Languages : en
Pages : 131
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Book Description
Nowadays solitude is everywhere. Increasingly similar to monads, we are losing the ability to build solid connections between us, and to convert our private experience into public matter. What is becoming lost is an «art of translation», the capacity to build bridges between private problems and troubles and common causes, something that may connect people and make them act in accord: that is, politics as an art to «bring us together».The goal of this book is to question, in many different ways, the link between solitude and politics. It is the result of a collective work of young researchers, trying to understand, and to fight, their own solitude and loneliness within the academia. It offers a preliminary interdisciplinary discussion aiming to forge the tools to grasp this strange oxymoron, to better comprehend this simultaneously individual and collective condition.
