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首页> 外文期刊>Heat transfer >Experimental Study on Heat Transfer Enhancement on Natural Convection in a Vertical Plate by Using Longitudinal Vortex Generators Arranged in Rows
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Experimental Study on Heat Transfer Enhancement on Natural Convection in a Vertical Plate by Using Longitudinal Vortex Generators Arranged in Rows

机译：纵向排列的垂直涡流发生器增强垂直板自然对流换热的实验研究

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摘要

Longitudinal vortices are capable of producing beneficial effects in heat transfer enhancement. Experiments in natural convection heat transfer enhancement were done on a vertical flat heating plate using delta-winglet longitudinal vortex generators (LVGs) arranged in rows. In an experimental range of Rayleigh number, the height and width of the winglet of the longitudinal vortex generator (LVG), the array form of the longitudinal vortex generators on the heat transfer performance were experimentally investigated, and the best height of the winglet of the longitudinal vortex generator was obtained. The results showed the change of the array form of the longitudinal vortex generators could affect the heat transfer effect. Finally by arranging some longitudinal vortex generator arrays with the appropriate interval, the whole heat transfer effect of the interval could reach a prime value.
机译：纵向涡旋能够在热传递增强中产生有益的作用。自然对流传热增强的实验是在垂直平板加热板上完成的，使用的是成排排列的三角翼小翼纵向涡流发生器（LVG）。在瑞利数的实验范围内，对纵向涡流发生器（LVG）的小翼的高度和宽度，纵向涡流发生器的阵列形式对传热性能进行了实验研究，并确定了最佳小翼的高度。获得了纵向涡流发生器。结果表明，纵向涡流发生器阵列形式的变化会影响传热效果。最后，通过以适当的间隔布置一些纵向涡流发生器阵列，该间隔的整个传热效果可以达到素值。

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