By means of numerical simulation, the research on inner-flow of mining contra-rotating axial flow fan working under low flow rate condition was made.
通过数值模拟手段，对一矿用对旋式轴流式通风机小流量工况内部流动进行了深入研究。
By adjusting oxygen flow supplied and controlling decarburization rate under the condition of hot metal charging, the steel of high carbon and low phosphor can be produced.
在铁水热装的情况下，通过调整供氧强度，可冶炼出高碳低磷钢水。
The result shows that the preferable heat transfer effect can be acquired on the condition of a low flow rate.
研究结果表明流体绕流振动圆管时，在较低流速下即可获得较好的传热效果。
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