Fig. 6

Loss function curves for boundary conditions (\({L}_{BC}\)), governing equations (\({L}_{GE}\)), penalty terms (\({L}_{PT}\)), and total loss (\({L}_{Tot}\)): (a) rectangular baffles, (b) elliptical baffles, and (c) triangular baffles for Re = 5, Sc = 1000, double-unit microchannel, and configuration A.