TECHNOLOGY TRANSFER OPPORTUNITY: Supersonic Spike Diffuser (SSC-TOPS-10)
Open Special Notice Posted
- Solicitation number
- TP2-SSC-00009
- Agency
-
Marshall Space Flight Center
National Aeronautics and Space Administration
- Responses due
- Set-aside
- No set-aside
Opportunity facts
- NAICS code
- 927110 Space Research and Technology
- PSC
- 9999 Miscellaneous Items
- Points of contact
-
- NASA's Technology Transfer Program agency-patent-licensing@mail.nasa.gov
Notice details come from SAM.gov. Updated .
About this opportunity
NASA's Technology Transfer Program is soliciting inquiries from companies interested in obtaining exclusive or nonexclusive license rights to commercialize, manufacture, and market a spike diffuser technology developed by NASA Stenlis Space Center, with applications due by August 10, 2027. No federal funding accompanies the license; commercialization is the applicant's responsibility. The spike diffuser achieves approximately double the pumping performance of second-throat diffusers by reducing both core Mach number and flow deflection, enabling lower vacuum pressures for a given feed pressure and mass flow through higher-expansion-ratio driving nozzles. The design is spatially compact, requiring only approximately 25 percent of the length of second-throat designs. Interested parties must submit a license application through NASA's Automated Technology Licensing Application System (ATLAS) at https://technology.nasa.gov/patent/SSC-TOPS-10. Inquiries regarding this opportunity may be directed to Agency-Patent-Licensing@mail.nasa.gov with the technology title and preferred contact information. Additional NASA technology licensing opportunities are available through the NASA Technology Transfer Portal at https://technology.nasa.gov/.
Notice text
NASA’s Technology Transfer Program solicits inquiries from companies interested in obtaining license rights to commercialize, manufacture and market the following technology. License rights may be issued on an exclusive or nonexclusive basis and may include specific fields of use. NASA provides no funding in conjunction with these potential licenses.
THE TECHNOLOGY:
Standard cylindrical and second-throat diffusers allow supersonic gas flows to expand within their walls and pull a vacuum on any upstream void. However, the high-Mach-number shock reflections that occur in the center of the plume create substantial losses and result in an inefficient pumping process. Centerbody diffuser designs provide an improvement by reducing the maximum Mach number of the core flow, but also increase the number of oblique shocks in the system by introducing multiple turns into the system. A new type of spike diffuser recently developed by NASA Stennis Space Center is able to provide approximately double the pumping performance of second-throat diffusers via Pareto-efficient reduction of both core Mach number and flow deflection. This enables substantially lower vacuum pressures to be achieved for a given feed pressure/mass flow via the use of higher-expansion-ratio driving nozzles. Spike diffusers are also spatially compact, requiring only ~25% of the length of second-throat designs.
To express interest in this opportunity, please submit a license application through NASA’s Automated Technology Licensing Application System (ATLAS) by visiting https://technology.nasa.gov/patent/SSC-TOPS-10
If you have any questions, please e-mail NASA’s Technology Transfer Program at Agency-Patent-Licensing@mail.nasa.gov with the title of this Technology Transfer Opportunity as listed in this SAM.gov notice and your preferred contact information. For more information about licensing other NASA-developed technologies, please visit the NASA Technology Transfer Portal at https://technology.nasa.gov/
These responses are provided to members of NASA’s Technology Transfer Program for the purpose of promoting public awareness of NASA-developed technology products, and conducting preliminary market research to determine public interest in and potential for future licensing opportunities. No follow-on procurement is expected to result from responses to this Notice.
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