Triaxial Swirler Liquid Injector Development

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: NNM05AA51C
Agency Tracking Number: 041885
Amount: $69,960.00
Phase: Phase I
Program: SBIR
Awards Year: 2005
Solicitation Year: 2004
Solicitation Topic Code: X6.01
Solicitation Number: N/A
Small Business Information
SIERRA ENGINEERING INC.
603 E. Robinson Suite 7, Carson City, NV, 89701-4046
DUNS: 006620553
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Daniel Greisen
 Principal Investigator
 (916) 363-2996
 dag@sierraengineering.com
Business Contact
 Margo Hornung
Title: Business Official
Phone: (775) 888-8952
Email: mah@sierraengineering.com
Research Institution
N/A
Abstract
Sierra Engineering Inc. (Sierra) believes that the subject triaxial liquid propellant swirl injector has the potential to meet many of NASA's Earth-to-Orbit (ETO) propulsion systems goals. The triaxial swirl injector is ideally suited to a wide range of liquid oxidizers and fuels, including hydrogen and a variety of hydrocarbons. It holds the potential of excellent high-frequency combustion stability characteristics, low injector production cost, and deep throttling capabilities similar to a pintle injector. Additionally, this injector offers the potential for excellent thermal compatibility and outstanding propellant atomization characteristics. The concept is well suited for both main chamber and preburner applications. This Phase I SBIR focuses on developing prototype mechanical designs and the supporting analysis necessary to justify fabrication and testing during a follow-on Phase II effort.

* information listed above is at the time of submission.

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