TECHNOLOGY SUMMARY

This technology delivers a step-change in heat exchanger performance and requires a much smaller space claim than current state-of-the-art heat exchangers. Heat transfer surface area densities in excess of 2000 m2/m3 have been achieved with high air convection and low pressure drops compared to traditional plate frame and microchannel heat exchangers. These compact heat exchangers consists of two thin, titanium foil layers, orders of magnitude thinner than conventional titanium plates, bonded together at varying locations and configurations across the sheets and expanded and form a flow channel between the two sheets of thin foil. Makai’s novel manufacturing methods and optimized fluid flow designs enable the economical production of these new class of heat exchangers. These plates are highly effective for heat transfer because the working fluid is separated from the cooling air or liquid by very thin foil, with ultra-high heat transfer area and no thermal resistance from intermediary fins. Low material consumption enables use of titanium foil which is strong, lightweight and highly corrosion resistant.

AREA/MATURITY/AWARDS

Primary Application Area: Space, Defense, Mobility

Technology Development Status: Prototype

Technology Readiness Level: TRL 5

Vetted Programs/Awards: SBIR, ONR Grant

SHOWCASE SUMMARY

Organization Type: Small to Medium Enterprise

Showcase Booth #: 11T

Website: https://www.makai.com

GOVT/EXTERNAL FUNDING SOURCES

External Funding to Date: State of Hawaii: HTDC ONR Heat Exchanger Matching Grant
State of Hawaii: SBIR Matching Grant, Manufacturing