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首页> 外文会议>Congress of Asia and Pacific Division of International Association of Hydraulic Engineering and Research >EVAPORATIVITY AND PRODUCTIVITY OF A NEW TUBULAR SOLAR STILL
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EVAPORATIVITY AND PRODUCTIVITY OF A NEW TUBULAR SOLAR STILL

机译：新的管状太阳太阳静止的蒸发和生产率

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A Tubular Solar Still (TSS) has being developed by our research group and a transparent vinyl chloride sheet of 0.5mm in thickness was used for the tubular cover of the first model designed by Islam KMS (2007). Since then we have been improving the first model from the viewpoint of assembly, economy and maintenance. A polythene film of 70 μm in thickness was,therefore, adopted as the cover of the second model. As a result, the cover weight of the second model was one twelfth lighter than that of the first model. An experiment was carried out to investigate the evaporation and production performance of the second model and the thermal properties of the tubular cover, humid air and water in a trough inside the still. It was revealed that the hourly evaporation and production fluxes became a little lower for the second model than the first one under the same conditions of ambient air temperature and relative humidity and radiant heat flux. One of the reasons would be the difference in the water depth between the two experiments. Another possible reason of reducing the productivity would be the stagnant of the condensed water due to the undulations of the polythene film.
机译：通过我们的研究组开发的管状太阳静止（TSS），厚度为0.5mm的透明氯乙烯片用于由伊斯兰KMS（2007）设计的第一型号的管状盖子。从那以后，我们一直从装配，经济和维护的观点来改进第一模型。因此，厚度为70μm的聚乙烯膜作为第二模型的盖子。结果，第二模型的覆盖重量比第一模型的覆盖重量比第一模型轻。进行了一个实验，以研究第二种模型的蒸发和生产性能和仍然在静止的槽中的管状盖，潮湿空气和水的热性能。据揭示，在相同的环境空气温度和相对湿度和辐射热通量的相同条件下，每小时蒸发和生产助熔剂比第一个模型变得略低。其中一个原因是两项实验之间的水深差异。降低生产率的另一种可能的原因是由于聚乙烯膜的起伏引起的冷凝水的停滞。

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