FRICTIONAL PRESSURE DROP CHARACTERISTICS OF STEAM - WATER TWO - PHASE FLOW IN HELICALLY COILED TUBES ORIENTED WITH VARIOUS AXIAL ANGLES
Zhang Ximin, Guo Liejin and Feng Ziping( State Key laboratory of Multiphase Flow in Power Engineering, Xi an Jiaotong University, Xi an 710049)
CIESC Journal . 1999, (3): 373 -379 .