DEVELOPMENT AND TESTING OF A PRE-PROTOTYPE MACH 2 RAMGEN ENGINE

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Description

The research and development effort of a new kind of combustion engine is presented. The engine is designed to convert the thrust from ramjet modules into shaft torque, which in turn can be used for electrical power generation or mechanical drive applications. An aggressive test program was undertaken that included evaluation of the existing engine, as well as incorporation of novel improvements to the thrust modules and supporting systems. Fuel mixing studies with Vortex Generators and bluff body flame holders illuminated the importance of increasing the shear-layer area and spreading angle to augment flame volume. Evaluation of flame-holding configurations (with ... continued below

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Systems, Ramgen Power September 1, 2001.

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Description

The research and development effort of a new kind of combustion engine is presented. The engine is designed to convert the thrust from ramjet modules into shaft torque, which in turn can be used for electrical power generation or mechanical drive applications. An aggressive test program was undertaken that included evaluation of the existing engine, as well as incorporation of novel improvements to the thrust modules and supporting systems. Fuel mixing studies with Vortex Generators and bluff body flame holders illuminated the importance of increasing the shear-layer area and spreading angle to augment flame volume. Evaluation of flame-holding configurations (with variable fuel injection methods) concluded that the heat release zone, and therefore combustion efficiency, could be manipulated by judicious selection of bluff body geometry, and is less influenced by fuel injection distribution. Air film cooling studies demonstrated that acceptable combustor life could be achieved with optimized air film distribution patterns and thermal barrier coatings.

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OSTI as DE00799768

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  • Other Information: PBD: 1 Sep 2001

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  • Report No.: FC26-00NT40915--01
  • Grant Number: FC26-00NT40915
  • DOI: 10.2172/799768 | External Link
  • Office of Scientific & Technical Information Report Number: 799768
  • Archival Resource Key: ark:/67531/metadc735111

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  • September 1, 2001

Added to The UNT Digital Library

  • Oct. 19, 2015, 7:39 p.m.

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  • March 30, 2016, 5:08 p.m.

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Systems, Ramgen Power. DEVELOPMENT AND TESTING OF A PRE-PROTOTYPE MACH 2 RAMGEN ENGINE, report, September 1, 2001; Pittsburgh, Pennsylvania. (digital.library.unt.edu/ark:/67531/metadc735111/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.