对于阀芯下流动，阀门相对地容易关闭而且流体压力和流量变化和少。
Under the flow for spool valve closure and relatively easy changes in fluid pressure and flow and less.
通过不同粘度流体的岩心流动模拟实验，揭示粘度变化对流体渗流及开发效果的影响。
The influence of viscosity change on fluid percolation and development response is revealed through core flow test with fluids of different viscosity.
研究表明，流体剧烈变化的热物性、浮升力以及三角管的几何特征对管内流动换热的影响非常明显。
The results suggest that the effects of buoyancy force, variable physical properties of the fluid, and duct geometric characteristic on flow and heat transfer can be very significant.
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