With an example of heat transfer data processing in chemical engineering experiment, the figure of Nu number & Re number was described using Excel, the number relational expression was founded, the correlative theory was validated.

• 以化工实验中的传热数据处理为例,用Excel创建了努塞尔准数与雷诺准数间的关联图,建立了准数关联式,验证了相关的理论。