The pressure loss coefficient is affect by the Renumber smaller, basic is decreased with increasing Re.
压力损失系数受雷诺数的影响较小,基本是随着雷诺数的增大而减小的;
2
The results show that the performance of heat transfer in lower renumber region is poly tropic, and that in higher re region is similar to conventional channel.
It is believed that the present technological index of precursor prediction fibre number and conditioned weight fib renumber has some defects and needs revising.