Colburn j factor equation

例句：

1. 1.The new model has a Colburn j factor of 0.25, which is significantly lower than the previous one.
   新模型的J因子为0.25，显著低于前一个。
2. 2.The researchers found that the Colburn j factor could be used to predict the performance of aircraft engines.
   研究人员发现，Colburn j因子可以用来预测飞机发动机的性能。
3. 3. In this study, we will explore the application of the Colburn j factor in the field of fluid dynamics.
   在这项研究中，我们将探索Colburn j因子在流体动力学领域的应用。