Apr 16, 2019 | By Thomas
GE Analysis is main a $2.5 MM undertaking via the Superior Analysis Tasks Company’s (ARPA-E) Excessive Depth Thermal Trade via Supplies and Manufacturing Processes program (HITEMMP) to develop a excessive temperature, excessive stress and super-compact warmth exchanger enabled by additive manufacturing know-how.
A closeup of the warmth exchanger prototype. Picture credit score: GE Analysis
GE is partnering with College of Maryland and Oak Ridge Nationwide Laboratory to develop a Extremely Efficiency Warmth Exchanger that may function at temperatures exceeding 1,650 °F and pressures >three,600 psi. The novel warmth exchanger that will allow cleaner, extra environment friendly energy technology in each current and subsequent technology energy plant platforms.
Peter deBock, a Principal Thermal Engineer for GE Analysis and undertaking chief on the ARPA-E award, says the distinctive mix of skillsets on the crew will yield a brand new warmth exchanger design that breaks new effectivity boundaries. “We’re taking our deep data in metals and thermal administration and making use of it in methods we couldn’t have earlier than via the ability of 3D printing, deBock mentioned. “With 3D printing, we are able to now obtain new design architectures beforehand not potential. And this can enable us to create an ‘UPHEAT’ machine that may function affordably at temperatures 250°C (450°F) levels larger than in the present day’s warmth exchangers.”
deBock famous that warmth exchangers carry out the same perform to the lungs within the human physique. “Lungs are the last word warmth exchanger, circulating the air you breathe to maintain the physique performing at peak efficiency whereas additionally regulating your physique’s temperature. Warmth exchangers in energy technology tools like a fuel turbine primarily carry out the identical perform, however at a lot larger temperatures and pressures. With additive manufacturing, GE and College of Maryland will now discover extra intricate organic shapes and designs to allow a step change in warmth exchanger efficiency that delivers larger effectivity and decrease emissions.”
The brand new warmth exchanger will leverage a novel, high-temperature succesful, crack-resistant nickel superalloy, designed particularly for the additive manufacturing course of by the crew at GE Analysis. Oak Ridge Nationwide Laboratory will leverage their well-known experience in corrosion science to check and validate the supplies long run efficiency. When accomplished, the warmth exchanger will allow elevated thermal effectivity of oblique heated energy cycles equivalent to supercritical carbon dioxide (sCO2) Brayton energy technology, decreasing vitality consumption and emissions. As well as, excessive temperature succesful warmth exchangers provide new alternatives in superior aerospace purposes.
The objective of the two.5-year program is to develop and show the 3D printed warmth exchanger at full temperature and stress capabilities.
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