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Design Study of Triggered Isomer Heat Exchanger-Combustion Hybrid Jet Engine for High Altitude Flight | 
 enlarge | Publisher: Storming Media
Category: Book
Buy New: $28.95
Media: Spiral-bound
Pages: 111
ISBN: 1423511530
EAN: 9781423511533
ASIN: 1423511530
Publication Date: 2002
Availability: Usually ships in 1-2 business days
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Condition: Please note that this is a report or document and is not a book, per se. It is 111 pages long and is Velobound in a soft linen cover. This technical report was sponsored by the Pentagon and is provided in the best form available to the government. Sometimes our report quality is picture perfect and in color; other times, particularly for older reports, extensive black-and-white photocopying has degraded the quality. If you have any questions about quality of a particular report, please ask and we would be happy to describe it in more detail.
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Product Description
This is a AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING AND MANAGEMENT report procured by the Pentagon and made available for public release. It has been reproduced in the best form available to the Pentagon. It is not spiral-bound, but rather assembled with Velobinding in a soft, white linen cover. The Storming Media report number is A092104. The abstract provided by the Pentagon follows: This study investigated the possibility of utilizing a Triggered Isomer Heat Exchanger (TIHE) within a conventional jet engine in order to increase the endurance of a High Altitude Long Endurance (HALE) Intelligence, Surveillance, and Reconnaissance (ISR) aircraft. Optimizations of the conventional and TIHE engines along with selection of a switchover flight condition, where the aircraft switches from combustion to TIHE operations, were made utilizing engine design and mission analysis software. Radiation shield weights were determined utilizing point source gamma ray shielding methods. The jet engine best suited for the hybrid use, where both combustion and TIHE components located in a single engine, was a mixed stream turbofan engine flying both the conventional and TIHE legs of the mission, with a switchover Mach of 0. 4 and switchover altitude of 40,000 ft. With the single hybrid engine, including shield weights and modifications, endurance could easily be extended into weeks instead of days, while also resulting in a 20% drop in takeoff weight of current vehicles. The reduction in weight was due mainly to lower fuel requirements.
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