Using new method to calculate heat transfer in tube with wings along body and wings twisting around tube.

Abstract

In fact, the solution to the problem of heat transfer through the wall of the tube is a relatively complex calculation, especially when the tube side walls are arranged in the outer contour with many different profiles. There are many traditional computational methods to solve the problem of heat transfer; however, to implement those methods requires time and cost of experimentation. Therefore, within the framework of this paper, the authors use the new method to calculate heat transfer through the wall tube with straight and helix wings arranged along the outside barrel, and for each category are different wing profiles. In addition, the authors also give the formula for calculating the equivalent radius, the circumference and the area of cross section of tube with straight wings and helix wings along the body.