Development of an Active Submersible Thermal Protection System for Hot/Cold Water Environments
Navy SBIR FY2009.1


Sol No.: Navy SBIR FY2009.1
Topic No.: N091-078
Topic Title: Development of an Active Submersible Thermal Protection System for Hot/Cold Water Environments
Proposal No.: N091-078-1582
Firm: Mainstream Engineering Corporation
200 Yellow Place
Pines Industrial Center
Rockledge, Florida 32955
Contact: Joseph Homitz
Phone: (321) 631-3550
Web Site: www.mainstream-engr.com
Abstract: Current submersible thermal protection technology is not capable of meeting the requirements of very cold water or hot water operations in a Shallow Water Combat Submersible. Thermal protection equipment for divers in these situations will be expected to operate for durations in excess of 8 hours in temperatures below 37�F as well as temperatures above 90�F. Mainstream has proposed an active thermal protection system that can be easily utilized as either a heating device and a cooling device without reconfiguring the system. The proposed system will be diver-mounted and will have minimal volume and weight characteristics.
Benefits: Mainstream's proposed active thermal protection system is an enabling technology for the operation of Shallow Water Combat Submersibles in very cold or very warm water. In addition to enabling the use of SWCSs in very cold or very warm water, this development will extend the capabilities of Seal missions in open water. Beyond the significance of the development of an integrated system for this application, this effort will generate several products for both military and commercial markets. Several components from this system have strong potential to be sold individually for applications such as land- and air-based microclimate systems as well as compartmental heating and cooling systems. Mainstream's extensive experience in the development of all critical technologies for this system will allow for an accelerated timeline and ensure that quality products are produced.

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