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翼型涡发生器的布置对换热及污垢特性的影响

DOI: 10.13334/j.0258-8013.pcsee.2015.15.016, PP. 3872-3878

Keywords: 翼型涡发生器,矩形通道,纳米颗粒,污垢特性,后排列,前排列

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Abstract:

为了探究换热面上不同布置形式的翼型涡发生器对换热、流动阻力和污垢特性的影响,本文以矩形翼涡发生器为研究对象,在相同工况下对4种布置形式进行了实验研究。结果表明:在换热面上安装翼型涡发生器不仅能够强化换热同时还能抑制颗粒垢的生成;后排列布置不仅在强化换热和减少流动阻力上都优于前排列布置,而且在污垢条件下其也具有良好的抑垢性;结垢前后进出口压差的变化大小在一定程度上也反映了结垢量的大小。

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