A new model is established to describe heat exchanging of the incompletely mixed fluid flowing in the tubes and the unmixed fluid crossing out of the tubes in the heat-exchangers especially in air cooler. In the model...A new model is established to describe heat exchanging of the incompletely mixed fluid flowing in the tubes and the unmixed fluid crossing out of the tubes in the heat-exchangers especially in air cooler. In the model, a new method of analyzing volume is proposed to develop the temperature distribution equations of the two fluids --tw(x) and ta(X,,7"). With tw(x) and ta (x, ,7), the curves of the temperature distribution of the two fluids can be obtained. Also tw(x) and ta(x,n) can be used to calculate parameters of structure of an air cooler and to improve performances of it.展开更多
文摘A new model is established to describe heat exchanging of the incompletely mixed fluid flowing in the tubes and the unmixed fluid crossing out of the tubes in the heat-exchangers especially in air cooler. In the model, a new method of analyzing volume is proposed to develop the temperature distribution equations of the two fluids --tw(x) and ta(X,,7"). With tw(x) and ta (x, ,7), the curves of the temperature distribution of the two fluids can be obtained. Also tw(x) and ta(x,n) can be used to calculate parameters of structure of an air cooler and to improve performances of it.