Malik.. Ahmad-Al,2022-05-282022-05-2814413https://drepo.sdl.edu.sa/handle/20.500.14154/39421Heat transfer in upward flowing two-phase gas-liquid mixtures. An experimental study of heat transfer in two-phase gas-liquid mixtures flowing upwards in a vertical tube with liquid phase being driven by a pump at air injection. (Ph.D.)Thesis