Evaporation of highly wetting fluids on aluminum microporous coating

•Highly wetting fluid rate of rise test in aluminum microporous coating (Al-HTCMC).•Unsaturated wetting behavior of highly wetting fluids in microporous coating with large particle size.•Parabolic pressure profile for highly wetting fluids in microporous coating during evaporation.•Analytical prediction of the dryout heat flux with highly wetting fluids.