{"project":{"acronym":"","projectId":89849,"title":"Closed-Loop, Non-Venting Thermal Control for Mars EVA Suits","primaryTaxonomyNodes":[{"taxonomyNodeId":10932,"taxonomyRootId":8816,"parentNodeId":10929,"level":3,"code":"TX14.2.3","title":"Heat Rejection and Storage","definition":"This area includes technologies to more effectively reject heat on a flight. Technologies are needed to make these methods more reliable and standardized and increase the capability for effective ground testing. This area includes technologies that manage system heat primarily through the use of the thermal and/or optical properties of a given material. This area includes in-space and ground applications.","exampleTechnologies":"Radiators, radiator turn-down devices (e.g. louvers, heat switches, variable conductance heat pipes), phase change materials, transpiration cooling, heat sinks, optical coatings, variable coatings, sunshades, molten salts, cryogens, evaporation, boiling, condensation, autonomous radiator maintenance, dust tolerant radiators, high heat load 500 - 500 kW rejection","hasChildren":false,"hasInteriorContent":true}],"startTrl":2,"currentTrl":4,"endTrl":4,"benefits":"The Mars SEAR will enable EVA on Mars without venting water, which is critical both for preserving the Martian environment and for conserving valuable life-support resources. The enhanced water absorption technology can be used to boost performance of SEAR thermal management systems for EVA suits in any environment. The enhanced SEAR technology can also be used to provide thermal storage on spacecraft or rovers that operate in variable thermal environments.
The SEAR technology can be used by the commercial space industry for space suit thermal control. The basic technology we propose to enhance absorption cooling has a wide range of terrestrial applications as part of high-value analytical instruments used for atmospheric sampling and analysis.","description":"NASA seeks new thermal control technology for EVA suits on Mars. The system must be closed-loop and non-venting, have negligible impact on the Martian environment, and be capable of operating under Mars surface conditions. We propose to develop a space evaporator/absorber/radiator (SEAR) system with innovative features that will enable operation on Mars. The system uses a regenerable water absorption cooling system that rejects heat entirely by radiation. The key innovation needed for operation on Mars is an enhanced absorption process that enables thermal radiation at increased temperatures. In Phase I we will prove the feasibility of our approach through thermal/fluid/mechanical analysis and assessment of design trade-offs, proof-of-concept experiments, and design of a prototype SEAR for Mars. In Phase II we will build a prototype system and demonstrate its operation under conditions that simulate the Martian surface.","startYear":2016,"startMonth":6,"endYear":2016,"endMonth":12,"statusDescription":"Completed","principalInvestigators":[{"contactId":334323,"canUserEdit":false,"firstName":"Michael","lastName":"Izenson","fullName":"Michael Izenson","fullNameInverted":"Izenson, Michael","primaryEmail":"mgi@creare.com","publicEmail":true,"nacontact":false},{"contactId":334316,"canUserEdit":false,"firstName":"Michael","lastName":"Izenson","fullName":"Michael G Izenson","fullNameInverted":"Izenson, Michael G","middleInitial":"G","primaryEmail":"mgi@creare.com","publicEmail":true,"nacontact":false}],"programDirectors":[{"contactId":206378,"canUserEdit":false,"firstName":"Jason","lastName":"Kessler","fullName":"Jason L Kessler","fullNameInverted":"Kessler, Jason 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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.
The SBIR and STTR programs have 3 phases:
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.
Opportunity for Continued Technology Development Post-Phase II:
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.
Please review the links below to obtain more information on the SBIR/STTR programs.
Provides an overview of the SBIR and STTR programs as implemented by NASA
Provides access to the annual SBIR/STTR Solicitations containing detailed information on the program eligibility requirements, proposal instructions and research topics and subtopics
Schedule and links for the SBIR/STTR solicitations and selection announcements
Federal and non-Federal sources of assistance for small business
Search our complete archive of awarded project abstracts to learn about what NASA has funded
Still have questions? Visit the program FAQs
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