The results are as follows: at low velocity, the heat transfer coefficient is nearly proportional to the average velocity and velocity and temperature gradient are in good synergy.

结果表明：当流速很低时，速度与换热系数几乎成线性变化，场的协同性很好；

youdao

The results are as follows: at low velocity, the heat transfer coefficient is nearly proportional to the average velocity and velocity and temperature gradient are in good synergy.

结果表明：当流速很低时，速度与换热系数几乎成线性变化，场的协同性很好；

youdao