Auxiliary power unit and airbreathing propulsion
Author : Marshall Space Flight Center
Publisher :
Page : 164 pages
File Size : 21,15 MB
Release : 1971
Category :
ISBN :
Author : Marshall Space Flight Center
Publisher :
Page : 164 pages
File Size : 21,15 MB
Release : 1971
Category :
ISBN :
Author : AE-6 Starting Systems and Auxiliary Power Committee
Publisher :
Page : 0 pages
File Size : 41,38 MB
Release : 1993
Category :
ISBN :
This document provides a brief description of the auxiliary power equipment that is available with enough description and pertinent comments to enable an engineer to make logical preliminary selection of the appropriate equipment for advanced military aircraft programs. The information has been kept as brief as possible to include the maximum amount of equipment in a relatively short document. It is not intended to replace textbook design analysis or detailed information available from the equipment suppliers.The document describes auxiliary power equipment. Auxiliary power is defined as follows: "Those elements of secondary power [defined as all aircraft nonpropulsive power generation and transmission] related to main engine bleed air and shaft power extraction or power generation separate from the main engines. Included are engine bleed air systems, remote engine driven gearboxes, engine starting systems, auxiliary power units, and emergency power systems." Additional definitions may be found in ARP906A which is the source of this definition.Some closely related systems which are not discussed in detail, include thermal management, environmental control, electrical, and hydraulic systems.
Author : National Research Council
Publisher : National Academies Press
Page : 288 pages
File Size : 44,16 MB
Release : 2007-01-14
Category : Technology & Engineering
ISBN : 0309102472
Rocket and air-breathing propulsion systems are the foundation on which planning for future aerospace systems rests. A Review of United States Air Force and Department of Defense Aerospace Propulsion Needs assesses the existing technical base in these areas and examines the future Air Force capabilities the base will be expected to support. This report also defines gaps and recommends where future warfighter capabilities not yet fully defined could be met by current science and technology development plans.
Author : National Academies of Sciences, Engineering, and Medicine
Publisher : National Academies Press
Page : 123 pages
File Size : 44,75 MB
Release : 2016-08-09
Category : Technology & Engineering
ISBN : 0309440998
The primary human activities that release carbon dioxide (CO2) into the atmosphere are the combustion of fossil fuels (coal, natural gas, and oil) to generate electricity, the provision of energy for transportation, and as a consequence of some industrial processes. Although aviation CO2 emissions only make up approximately 2.0 to 2.5 percent of total global annual CO2 emissions, research to reduce CO2 emissions is urgent because (1) such reductions may be legislated even as commercial air travel grows, (2) because it takes new technology a long time to propagate into and through the aviation fleet, and (3) because of the ongoing impact of global CO2 emissions. Commercial Aircraft Propulsion and Energy Systems Research develops a national research agenda for reducing CO2 emissions from commercial aviation. This report focuses on propulsion and energy technologies for reducing carbon emissions from large, commercial aircraftâ€" single-aisle and twin-aisle aircraft that carry 100 or more passengersâ€"because such aircraft account for more than 90 percent of global emissions from commercial aircraft. Moreover, while smaller aircraft also emit CO2, they make only a minor contribution to global emissions, and many technologies that reduce CO2 emissions for large aircraft also apply to smaller aircraft. As commercial aviation continues to grow in terms of revenue-passenger miles and cargo ton miles, CO2 emissions are expected to increase. To reduce the contribution of aviation to climate change, it is essential to improve the effectiveness of ongoing efforts to reduce emissions and initiate research into new approaches.
Author : Tarit Bose
Publisher : Springer Science & Business Media
Page : 313 pages
File Size : 22,92 MB
Release : 2012-06-08
Category : Technology & Engineering
ISBN : 1461435323
Airbreathing Propulsion covers the physics of combustion, fluid and thermo-dynamics, and structural mechanics of airbreathing engines, including piston, turboprop, turbojet, turbofan, and ramjet engines. End-of-chapter exercises allow the reader to practice the fundamental concepts behind airbreathing propulsion, and the included PAGIC computer code will help the reader to examine the relationships between the performance parameters of different engines. Large amounts of data have on many different piston, turbojet, and turboprop engines have been compiled for this book and are included as an appendix. This textbook is ideal for senior undergraduate and graduate students studying aeronautical engineering, aerospace engineering, and mechanical engineering.
Author : C. Rodgers
Publisher :
Page : 19 pages
File Size : 20,59 MB
Release : 1983
Category :
ISBN :
Self-sufficiency for military aircraft operating from remote advanced bases can be attained with small on-board air breathing gas turbine auxiliary power units (APUs) supplying main engine start and aircraft secondary power. The small, fixed shaft, gas turbine configuration comprising the single-stage radial compressor and radial inflow turbine, mounted back-to-back, and overhung from a 'cold end' bearing capsule has found favor in providing this duty due to inherent attributes low cost, simplicity and high power-to-weight ratio. This configuration of APUs first entered service in the early 1950s, and derivatives have been designed, developed and produced to meet aircraft industry demands. Extensive experience with these APUs has led to the formulation of several major design constraints, within the objective of minimum life cycle costs, that enhance development of both modified and derivative versions. This paper highlights some of these design constraints and identifies advantageous areas of research and development for future APUs. (Author).
Author : MAYUR R ANVEKAR
Publisher : PHI Learning Pvt. Ltd.
Page : 125 pages
File Size : 41,45 MB
Release : 2016-06-27
Category : Transportation
ISBN : 8120352645
With the changing technological environment, the aircraft industry has experienced an exponential growth. Owing to the escalating use of aircrafts nowadays, it is required for the professionals and learners of the field to have conceptual understanding of propulsion systems and ability to apply these concepts in a way to develop aircrafts that make them fly further, higher and faster. Designed as a text for the undergraduate students of Aerospace and Aeronautical Engineering, the book covers all the basic concepts relating to propulsion in a clear and concise manner. Primary emphasis is laid on making the understanding of theoretical concepts as simple as possible by using lucid language and avoiding much complicated mathematical derivations. Thus, the book presents the concepts of propulsion in a style that even the beginners can understand them easily. The text commences with the basic pre-requisites for propulsion system followed by the fundamental thermodynamic aspects, laws and theories. Later on, it explains the gas turbine engine followed by rocket engine and ramjet engine. Finally, the book discusses the introductory part of an advanced topic, i.e., pulse detonation engine.
Author : Jeffrey S. Patterson
Publisher :
Page : 0 pages
File Size : 41,93 MB
Release : 1996
Category :
ISBN :
Presented at the International Gas Turbine and Aeroengine Congress & Exhibition Birmingham, UK - June 10-13, 1996.
Author : Erian A. Baskharone
Publisher : Cambridge University Press
Page : 673 pages
File Size : 23,46 MB
Release : 2023-09-30
Category : Science
ISBN : 1108491820
Acquire complete knowledge of the basics of air-breathing turbomachinery with this hands-on practical text. This updated new edition for students in mechanical and aerospace engineering discusses the role of entropy in assessing machine performance, provides a review of flow structures, and includes an applied review of boundary layer principles. New coverage describes approaches used to smooth initial design geometry into a continuous flow path, the development of design methods associated with the flow over blade shape (cascades loss theory) and annular type flows, as well as a discussion of the mechanisms for the setting of shaft speed. This essential text is also fully supported by over 200 figures, numerous examples, and homework problems, many of which have been revised for this edition.
Author :
Publisher :
Page : 836 pages
File Size : 24,64 MB
Release : 1994
Category : Aeronautics
ISBN :