{"projectId":93333,"project":{"projectId":93333,"title":"Adaptive Venturi for Monopropellant Feed Systems","startDate":"2017-06-09","startYear":2017,"startMonth":6,"endDate":"2017-12-08","endYear":2017,"endMonth":12,"programId":73,"program":{"ableToSelect":false,"acronym":"SBIR/STTR","isActive":true,"description":"<p>The NASA SBIR and STTR programs fund the research, development, and demonstration of innovative technologies that fulfill NASA needs as described in the annual Solicitations and have significant potential for successful commercialization. If you are a small business concern (SBC) with 500 or fewer employees or a non-profit RI such as a university or a research laboratory with ties to an SBC, then NASA encourages you to learn more about the SBIR and STTR programs as a potential source of seed funding for the development of your innovations.</p><p><strong>The SBIR and STTR programs have 3 phases</strong>:</p><ul><li><strong>Phase I</strong> is the opportunity to establish the scientific, technical, and commercial feasibility of the proposed innovation in fulfillment of NASA needs.</li><li><strong>Phase II</strong> is focused on the development, demonstration and delivery of the proposed innovation.</li></ul><p>The SBIR and STTR Phase I contracts last for 6 months with a maximum funding of $125,000, and Phase II contracts last for 24 months with a maximum funding of $750,000 - $1.5 million.</p><ul><li><strong>Phase III</strong> is the commercialization of innovative technologies, products, and services resulting from either a Phase I or Phase II contract. Phase III contracts are funded from sources other than the SBIR and STTR programs and may be awarded without further competition.</li></ul><p><strong>Opportunity for Continued Technology Development Post-Phase II</strong>:</p><p>The NASA SBIR/STTR Program currently has in place two initiatives for supporting its small business partners past the basic Phase I and Phase II elements of the program that emphasize opportunities for commercialization. Specifically, the NASA SBIR/STTR Program has the Phase II Enhancement (Phase II-E) and Phase II eXpanded (Phase II-X) contract options.&nbsp;</p><p><strong>Please review the links below to obtain more information on the SBIR/STTR programs.</strong></p><ul><li><strong><a target=\"_blank\" href=\"http://sbir.gsfc.nasa.gov/sites/default/files/ParticipationGuide.pdf\">Participation Guide</a></strong></li></ul><p>Provides an overview of the SBIR and STTR programs as implemented by NASA</p><ul><li><strong><a href=\"http://sbir.gsfc.nasa.gov/solicitations\">Program Solicitations</a></strong></li></ul><p>Provides access to the annual SBIR/STTR Solicitations containing detailed information on the program eligibility requirements, proposal instructions and research topics and subtopics</p><ul><li><strong><a href=\"http://sbir.gsfc.nasa.gov/prg_sched_anncmnt\">Schedule and Awards</a></strong></li></ul><p>Schedule and links for the SBIR/STTR solicitations and selection announcements</p><ul><li><strong><a href=\"http://sbir.gsfc.nasa.gov/content/additional-sources-assistance\">Sources of Assistance</a></strong></li></ul><p>Federal and non-Federal sources of assistance for small business</p><ul><li><strong><a href=\"http://sbir.gsfc.nasa.gov/abstract_archives\">Awarded Abstracts</a></strong></li></ul><p>Search our complete archive of awarded project abstracts to learn about what NASA has funded</p><ul><li><strong><a href=\"http://sbir.gsfc.nasa.gov/content/frequently-asked-questions\">Frequently Asked Questions</a></strong></li></ul><p>&nbsp;Still have questions? Visit the program FAQs</p>","parentProgram":{"ableToSelect":false,"isActive":true,"description":"Catalyst is a portfolio of early stage programs that specialize in different innovation constituencies and mechanisms to push the state of the art in aerospace technology development","programId":92327,"responsibleMd":{"canUserEdit":false,"locationEdit":false,"organizationRolePretty":"","organizationTypePretty":""},"title":"Catalyst","manageGaps":false,"acronymOrTitle":"Catalyst"},"parentProgramId":92327,"programId":73,"responsibleMd":{"organizationId":4875,"organizationName":"Space Technology Mission Directorate","acronym":"STMD","organizationType":"NASA_Mission_Directorate","canUserEdit":false,"locationEdit":false,"organizationRolePretty":"","organizationTypePretty":"NASA Mission Directorate"},"responsibleMdOffice":4875,"stockImageFileId":36648,"title":"Small Business Innovation Research/Small Business Tech Transfer","manageGaps":false,"acronymOrTitle":"SBIR/STTR"},"description":"Physical Sciences Inc. proposes to develop a unique venturi for future monopropellant feed systems that uses a passively controlled throat area to adjust propellant flow rate. The adaptive venturi eliminates water hammer in monopropellant thruster manifolds by rapidly adjusting flow area to prevent pressure surges. These benefits are achieved with a one-to-one replacement of existing cavitating venturis without added weight, volume, or power requirements. Furthermore, the total lifetime impulse of the propulsion system will increase due to increased flow area during nominal flow conditions. In Phase I, we will optimize the venturi design and measure key performance metrics in full-scale flow tests. The Phase I will conclude with a miniaturized adaptive venturi design accompanied by performance analysis results. In Phase II, a set of geometric models will be created to meet the range of flow conditions required for attitude and reaction control thrusters, as well as divert/insert thrusters up to 100 lbf. Upon successful technology development under the SBIR program, protoflight components and venturis for ground testing will be developed in technology transition programs.","benefits":"Successful demonstration of the adaptive venturi will have applications in any cost and weight saving efforts ranging from expendable and reusable launch vehicles to small spacecraft. Extending the lifetime and total impulse of DACS and RCS is a critical technology requirement for lengthening the duration of spacecraft missions. The adaptive venturi will provide for an advanced blowdown propellant feed system with lower pressure drop and increased useable lifetime, providing for longer missions that require orbit raising or station keeping.<br /> <br />The adaptive venturi can simplify propellant loading and priming operations for liquid propulsion systems in Air Force satellites and missile defense systems employed by the MDA, Army, and Navy. In addition to DoD monopropellant propulsion applications, the adaptive venturi will provide a simple solution for all high-pressure plumbing systems subject to rapid pressurization and water hammer. The adaptive venturi provides a compact in-line solution superior to valves and pipe extensions.","releaseStatus":"Released","status":"Completed","viewCount":610,"destinationType":["Earth"],"trlBegin":1,"trlCurrent":4,"trlEnd":4,"lastUpdated":"01/22/26","favorited":false,"detailedFunding":false,"projectContacts":[{"contactId":3251401,"canUserEdit":false,"firstName":"Carlos","lastName":"Diaz","fullName":"Carlos Diaz","fullNameInverted":"Diaz, Carlos","email":"CARLOS.DIAZ@NASA.GOV","receiveEmail":"Subscribed_Contact","projectContactRole":"Project_Manager","projectContactId":546857,"projectId":93333,"programContactRolePretty":"","projectContactRolePretty":"Project Manager"},{"contactId":214078,"canUserEdit":false,"firstName":"Jeffrey","lastName":"Wegener","fullName":"Jeffrey L Wegener","fullNameInverted":"Wegener, Jeffrey 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