Optimization on parameter of plate-fin-and-tube air cooler in mines based on response surface method
Mine air coolers are commonly used terminal equipment in mine cooling systems.Optimizing the heat exchange performance of mine air coolers is of great significance to improving the energy efficiency of mine cooling systems.A numerical model of a plate-fin-and-tube air cooler was developed by using Fluent software.The study focused on investigating the impact of fin pitch,fin thickness,transverse pitch and longitudinal pitch on heat transfer factor,friction factor and compressive performance evaluation index through numerical analysis.Furthermore,the Box-Behnken response surface method was employed to analyze the changes of the heat transfer factor,friction factor and comprehensive performance evaluation index under the synergistic effect of dual parameters.The results indicate that a great rise in the heat transfer factor,friction factor and comprehensive performance evaluation index as the fin pitch and transverse pitch decreased.Additionally,an increase in the fin thickness led to an increase in these factors.The comprehensive performance evaluation index exhibited an initial increase,followed by a subsequent decrease as the longitudinal pitch increased.The transverse pitch and fin thickness were found to have a significant influence on the heat transfer factor,friction factor and comprehensive performance evaluation index.However,the fin pitch and longitudinal pitch had minimal impacts on these factors.The response surface method was employed to determine the optimal structural parameters for the plate-fin-and-tube air cooler.The heat transfer factor and friction factor exhibited a notable increase of 16.3%and 26.3%,respectively,while the comprehensive performance evaluation index increased by 8.3%.The results of this study offer valuable insights into the parameters'optimization of the plate-fin-and-tube air cooler in mines.
plate-fin-and-tube air coolerheat transferflownumerical simulationBox-Behnken response surface
万方数据
维普
