straight fin

Numerical Simulation of Heat Transfer Augmentation within High temperature Tube with Straight fin Insert

直肋插入件强化高温传热的数值模拟

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The experimental results show that the time for boiling water is the least and the outflow of the boiling water is the largest for the electric blowing_heater made of inner spiral fin tubes compared with finless tubes and inner straight fin tubes.

试验结果表明：内螺旋翅片管制成的电喷射加热器出开水时间最快和出开水量最大，其次分别是直翅片管和光壁管。

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The observation of water flow shapes at different blowing_heater tubes' outlet shows that the flow shape is a spiral one for inner spiral fin tubes while parallel with axis for finless tubes or inner straight fin tubes.

观察了不同喷射加热管出口处水流态，其中内螺旋翅片管内水流态呈螺旋状，而光壁管、直翅片管均沿轴线平行。

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