Cheng, L.Chen, T.2007-03-232007-03-232007-03-23200710.1016/j.ces.2006.10.016https://infoscience.epfl.ch/handle/20.500.14299/3996WOS:0002437149000129916Study of Vapor Liquid Two-Phase Frictional Pressure Drop in a Vertical Heated Spirally Internally Ribbed Tubetext::journal::journal article::research article