Intensification of Heat and Mass Transfer on Macro-, Micro-, and Nanoscales

Abstract

The results of theoretical and experimental investigations of heat and mass transfer enhancement on macro-, micro-, and nanoscales in single-and two-phase media, of phase interface vibrations, and of the separation of heterogeneous systems are presented. The research works carried out with the aim of increasing the safety and effi ciency of power plants made it possible to develop new methods of heat and mass transfer intensifi cation, formulate new research trends, to create new apparatuses, mathematical models of processes and the engineering methods of their calculations. Propulsion systems of spacecrafts for a piloted mission to Mars and the related methods of heat transfer intensifi cation, the methods of calculation of heat and mass transfer under the conditions of scaling of twisted pipes and pipes with circular diaphragms, and the calculation of the hydrodynamics of multiphase heterogeneous media in a centrifugal fi eld are considered additionally, as well as the results of investigation into the infl uence of the roughened surface on heat transfer in boiling on a sphere and correlations of the data on the infl uence of tape twisting on the critical heat loading are presented. The results of comparing the characteristics of tubular and plate-type heat exchangers with heat transfer intensifi ers, characteristics of heat transfer apparatuses with twisted tubes, as well as investigations of heat and mass transfer in condensation of steam from escaping fl ue gases of boilers are given. The book is intended for specialists involved in the development of power plants.