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AC Plasma Sensor For High Enthalpy Hypersonic Test Facilities

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA9550-17-P-0008
Agency Tracking Number: F17A-002-0196
Amount: $149,539.00
Phase: Phase I
Program: STTR
Solicitation Topic Code: AF17A-T002
Solicitation Number: 2017.0
Solicitation Year: 2017
Award Year: 2017
Award Start Date (Proposal Award Date): 2017-09-09
Award End Date (Contract End Date): 2018-09-07
Small Business Information
5100 Springfield Street
Dayton, OH 45431
United States
DUNS: 782766831
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: Yes
Principal Investigator
 Sivaram Gogineni
 (937) 266-9570
Business Contact
 Sukesh Roy
Phone: (937) 902-6546
Research Institution
 University of Notre Dame
 Dr. Eric Matlis and Dr. Tom Corke
 (574) 631-6596
 Nonprofit College or University

Spectral Energies and the University of Notre Dame is developing a new class of point-wise sensors for high-enthalpy conditions that rely on the use of a weakly ionized AC discharge between two electrodes as the main sensing element. The advantages of this approach include a native high bandwidth with a theoretical maximum in excess of 15 MHz and a simple mechanical design that is inherently robust to mechanical and thermal stress. The sensor volume can be as small as a 1 mm3. Variations of this sensor have reached TRL-5 through demonstrations in full-scale gas-turbines, hypersonic facilities, high pressures and temperature facilities. These tests include a measurement in the augmentor of a General Electric J85-5H afterburning turbojet at the University of Tennessee Space Institute (UTSI), a rotating detonation engine at the University of Cincinnati, and hypersonic conditions at the Wright Patterson AFB. Calibrations for velocity have been published in journal article, while sensitivity to pressure has also been demonstrated. Additional flow parameters including temperature and gas species have been demonstrated through the analysis of the optical emission of the discharge which provides spectral content of the gas under test. These capabilities will be further refined for the requested conditions.

* Information listed above is at the time of submission. *

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