Heat transfer coefficients and productivity of a single slope single basin solar still in Indian climatic condition: Experimental and theoretical comparison

Resource-Efficient Technologies Pub Date : 2017-12-01 DOI:10.1016/j.reffit.2017.05.003

Abhay Agrawal , R.S. Rana , Pankaj K. Srivastava

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引用次数: 78

Abstract

A theoretical and experimental study was conducted at the central Indian location of Rewa, M.P., India (Latitude: 24°33′ 20.81′′ N, Longitude: 81°18′ 49.1′′ E). This paper presents a detailed comparison of the theoretical and the experimental results obtained for a single sloped basin type solar still. Results for different parameters such as basin water temperature, glass cover temperature, distillate output, evaporative, convective and radiative heat transfer coefficients and attenuation factor were obtained for basin water depths ranging from 2 cm to 10 cm. For solar still, daily distillate output decreased with increase in basin water depth. The theoretical value of daily efficiency for 2 cm and 10 cm basin water depth was around 52.83% and 41.75%, respectively, and for the same basin water depth, experimental daily efficiency was around 41.49% and 32.42% respectively. A sound agreement between the theoretical and the experimental results was observed.

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印度气候条件下单坡单盆太阳能蒸馏器的传热系数与生产力:实验与理论比较

在印度中部的Rewa, m.p.，印度(纬度:24°33′20.81”N，经度:81°18′49.1”E)进行了理论和实验研究。本文详细比较了单个倾斜盆地型太阳能蒸馏器的理论和实验结果。在2 ~ 10 cm的流域水深范围内，得到了不同参数(如盆水温、玻璃盖温度、馏出物产量、蒸发传热系数、对流传热系数和辐射传热系数以及衰减系数)的结果。对于太阳能蒸馏器，日馏出物产量随池水深的增加而降低。2 cm和10 cm流域水深下的日效率理论值分别为52.83%和41.75%左右，相同流域水深下的实验日效率分别为41.49%和32.42%左右。理论结果与实验结果完全吻合。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Resource-Efficient Technologies

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7 weeks