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首页> 外文期刊>Solar Energy >Performance of solar funnel cookers using intermediate temperature test load under low sun elevation
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Performance of solar funnel cookers using intermediate temperature test load under low sun elevation

机译：低太阳海拔下使用中间温度试验载荷的太阳能漏斗灶性能

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摘要

Solar funnel cookers can be designed as attractive and affordable low-cost devices accessible to people in all continents of the world regardless of their walk-in life. The present work is aimed to investigate the applicability of funnel cookers to attain the temperature in excess of the boiling point of water. It widens their acceptability for cooking and opens new opportunities for technological developments in such designs of solar cookers. Two identical designs of funnel cookers, FC1 and FC2, have been tested with appropriately sized identical cooking pots and glass enclosure to serve the purpose. Cooker FC2 is tested with a glass enclosure only, while a glass enclosure is not used in FC1. Glycerine is used as a test load. Cooker Opto-thermal Ratio (COR) as a thermal performance parameter and overall cooking efficiency are used to compare the performance of the two funnel cookers. It is shown that the temperature of the test load in the cooker FC2 can reach 140 to 150 degrees C. So, this funnel cooker design can be preferred for cooking food at a relatively high temperature over the boiling point of water. The experimental results show that: i) the mean values of the Cooker Opto-thermal Ratio for cookers FC2 and FC1 are estimated to be 0.157 and 0.110 (m2 degrees C)/W, respectively, and ii) the values of the overall cooking efficiency for cookers FC2 and FC1 are estimated to be 11.8% and 10.2%, respectively.
机译：太阳能漏斗炊具可以设计为世界各大陆的人们可以设计为无论他们走在世界的所有大陆的人都有吸引力和实惠的低成本设备。目前的工作旨在调查漏斗炊具的适用性达到过量沸点水的温度。它扩大了烹饪的可接受性，并开启了这种太阳炊具设计中的技术发展机会。通过适当大小的相同烹饪罐和玻璃外壳测试了两个相同的漏斗炊具，FC1和FC2设计，以满足目的。电磁炉FC2仅使用玻璃外壳进行测试，而FC1则不使用玻璃外壳。甘油用作试验载荷。电磁炉光热比（COR）作为热性能参数和整体烹饪效率用于比较两个漏斗炊具的性能。结果表明，炊具FC2中的试验载荷的温度可以达到140至150摄氏度。因此，该漏斗烹饪器材可以优选在沸点水的较高温度下烹饪食物。实验结果表明：i）炊具Fc2和Fc1的炊具光热比的平均值估计为0.157和0.110（M2℃）/ w，并且II）整体烹饪效率的值对于炊具FC2和FC1分别估计为11.8％和10.2％。

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