Coupled heat and mass transfer in absorption of water vapor into LiBr-H2O solution flowing on finned inclined surfaces

摘要: The absorption characteristics of water vapor into a LiBr-H₂O solution flowing down on finned inclined surfaces are numerically investigated in order to study the absorbing performances different surface shapes tubes as an absorber element. A three -dimensional numerical model is developed. momentum, energy, and diffusion equations solved simultaneously using finite difference method. In obtain temperature concentration distributions, Runge-Kutta Successive over relaxation methods used. flat, circular, elliptic, parabolic tube considered find optimal for absorption. addition, effects fin intervals Reynolds numbers studied. results show that mainly happens near tip due gradient, performance better than those other surfaces.