unsteady state flow

Upon this premise, the temperature response of semi-infinite coal wall and the heat conductivity of coal wall are studied, and it is concluded that the front coal wall temperature and thermal flow change periodically in unsteady state simple harmonic mode with time.

以此为前提，研究了煤壁的半无限体温度响应及煤壁导热传递，并得出气化炉前方煤壁温度及热流随时间发生周期性非稳态简谐式变化的结论。

The results provide some reference for the design of aircraft and carrier plane, and the process of calculation enable to accumulate some experience for the further study of unsteady flow field calculation at the state of ship shakes.

计算结果为舰船设计和船载飞机设计提供了参考，同时为探讨船舶摇动状态下的气流场计算分析积累了经验。

Experimental study on local unsteady-state flow in steady divergent pressure flow

恒定有压扩散流中的局部非稳态流动试验研究

According to Bernoulli Equation of unsteady flow, the hydraulic calculation model of multi-source pipe network based on graph theory in slowly transient state is established, which can provide more information of hydraulic elements in slowly transient state.

根据非恒定流伯努利方程，建立的基于图论的多水源慢变流管网水力计算模型，可以提供更多的慢变流情况下的水力要素信息。