Abstract: The surface roughness of the particles in a granular material plays a significant role in its engineering behavior. Because the microsurface features that contribute to the roughness are highly complex and irregular in ...

Abstract: This study aims to numerically investigate thermal–hydraulic performance augmentation of ellipsoidal 45 deg dimpled U-tubes with various bend curvatures subjected to constant external heat flux (q′′=10kW/m2) for a range ...