The University of Maryland used direct metal printing—a 3D printing technology—to manufacture a unique miniaturized air-to-refrigerant heat exchanger as a single, continuous piece. Image: University of Maryland, Center for Environmental Energy Engineering.
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Credit: Oak Ridge National Lab.
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(a) Finned Microchannel (MCHX);
(b) Web-Tube (WTHX) (Abdelaziz et. al., 2010);
(c) Round Bare Tube (BTHX);
(d) Plain Fin-and-Tube (FTHX).
Credit: Oak Ridge National Lab.
