Sharply decreasing heat-transfer coefficient, the high fractional noncondensable gas has significant effect on the condensation process in the dewvaporation desalination.

• 因此,研究含高分率不凝气的蒸汽冷凝传热问题,探索改善传热、提高传热系数的途径,是一个极具挑战性的课题。