Temperature distribution and governing equations for a thermal fin, adapted from Problem Set 3 solutions. (Image courtesy of MIT OCW.)

热鳍片之温度分布与统御方程序，取自习题3之解答改写。(感谢影像提供者：麻省理工学院开放式课程)。

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Fin electric heating tube heater: large thermal inertia, stable heating power, not blocking the air flow channel, wide heating range, long service life.

翅片电热管加热器：热惰性大、加热功率稳定、不堵塞空气流通通道、加温范围宽、使用寿命长。

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For constant fin height, the fin width that provides the best thermal performance increases with the Reynolds number. Further increasing the fin width will degrade the thermal performance.

在固定散热片高度的条件下，提供最佳散热效果的散热片宽度会依据雷诺数提高。然而过度的宽度会造成散热效果下降。

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