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Diagnostics for Performance Quantification and Combustion Characterization in Rotational Detonation Rocket Engine (RDRE)

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA9300-19-P-1505
Agency Tracking Number: F19A-011-0188
Amount: $149,964.00
Phase: Phase I
Program: STTR
Solicitation Topic Code: AF19A-T011
Solicitation Number: 19.A
Solicitation Year: 2019
Award Year: 2019
Award Start Date (Proposal Award Date): 2019-07-03
Award End Date (Contract End Date): 2020-07-03
Small Business Information
7610 McEwen Road
Dayton, OH 45459
United States
DUNS: 884812025
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 John Hoke
 Sr. Engineer, Vice President
 (937) 255-8373
Business Contact
 Larry Goss
Phone: (937) 630-3012
Research Institution
 Stanford University
 Michala Welch Michala Welch
3160 Porter Drive
Palo Alto, CA 94304
United States

 (650) 726-7736
 Nonprofit College or University

In Phase I, ISSI will design and demonstrate a laser absorption-based sensor for time-resolved measurements of combustion fuel/product concentrations (H2O, CO, CO2 and fuel) and gas temperature within the detonation channels and nozzle exit-plane of a rotating detonation rocket engine (RDRE). The goal of this STTR is to develop a single sided sensor that plugs into the outer wall of the RDRE similar to a pressure transducer or ion probe. Laser light will travel twice across the RDE channel as it is emitted and collect from the same location. The pressure, and temperature of the RDRE require special attention due the extreme operating environment, and care will be taken selecting the absorption lines appropriately. The operating frequency of the RDRE is another area that will require special care, and fortunately, laser based techniques are capable of measuring frequencies into the megahertz range. Another feature of the proposed research is to be able to examine the data in minutes rather than weeks. ISSI has teamed with Stanford University for this STTR due to their fundamental knowledge and long history in laser absorption techniques. A proof of concept demonstration is planned in an RDRE or similar environment at the Naval Postgraduate School.

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

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