Degassed FC-72 was tested in micro-channels with a hydraulic diameters of 571 lm,
762 lm and 1454 lm (the aspect ratio (Win/din) is 20, 20 and 10) at liquid mass fluxes of 11.2 kg m2 s1
,
22.4 kg m2 s1 and 44.8 kg m2 s1 and heat fluxes of 0–18.31 kW m2
. Flo