Electrical power generation for sustained high speed flight

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA9550-09-C-0159
Agency Tracking Number: F08B-T25-0151
Amount: $99,986.00
Phase: Phase I
Program: STTR
Awards Year: 2009
Solicitation Year: 2008
Solicitation Topic Code: AF08-BT25
Solicitation Number: 2008.B
Small Business Information
Rivis, Inc.
P.O. Box 13740, Research Triangle Pa, NC, 27709
DUNS: 364083993
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Suzanne Ciftan Hens
 Research Scientist
 (919) 881-0500
 shens@rivisinc.com
Business Contact
 Donald Gentry
Title: Treasurer
Phone: (919) 881-0500
Email: dgentry@rivisinc.com
Research Institution
 Research Triangle Institute
 Sheila Sanders
 P.O. Box 12194
Center for Solid State Energ.
Research Triangle Pk, NC, 27709
 (919) 990-8386
 Domestic nonprofit research organization
Abstract
Development of a compliant microfabricated heat exchanger to work with thermoelectric devices as a means of power generation for hypersonic vehicles is proposed. Polymer-based materials provide to provide compression on the thermoelectric module, to ensure optimal thermal contact, while allowing for compliance to allow for the change in materials expansion without exceeding the failure point of the thermoelectric materials compliance during use. However, polymers must be modified to provide high thermal stability and thermal conductance in order to meet the demanding requirements. Nanocomposite polymers provide the enhanced properties and will be evaluated in combination with thermoelectric devices as a means to utilize the waste heat from scramjet engines. To provide compression on the thermoelectric module, to ensure optimal thermal contact, while allowing for compliance to allow for the change in materials expansion without exceeding the failure point of the thermoelectric materials. BENEFIT: Successful development of a nanocomposite heat exchanger will open the way to successfully integrate thermoelectric devices with scramjet engines as a practical power converter to scavenge heat during operation. Thermoelectrics take advantage of the temperature difference between the extremely hot gas, up to >2000°C in the combustion area of the scramjet, and the fueled cooled engine structure to generate electric power in a manner that can potentially save weight, volume and complexity compared to batteries and auxiliary power units)

* information listed above is at the time of submission.

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