DETERMINATION OF THERMAL EFFICIENCY AND COOKING POWER OF PARABOLIC SOLAR CONCENTRATING SYSTEM WITH THERMAL COMPENSATOR FOR DOMESTIC APPLICATIONS

A. Admin, B. A. B, G. M. M, A. S, Hamza B.S, S. A
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Abstract

Energy and the environment have a strong relationship. The production and consumption of energy is one of the biggest causes of environmental damage on earth. Therefore, the rapid increase in the level of CO2 and other greenhouse gases are given out during burning fossil fuel rise or unsteady of fuel prices are the main purposes led to a search to more effectively utilize a different sources of renewable energy. To reduce the consequences of greenhouse gases emitted by burning fuel for energy, which course depletion of the ozone layer and global warming. Therefore, the use of solar radiation directly as a source of energy has proved in the past to be less economical and affordable. The paper was aimed at determination of the performance of a parabolic solar concentrating system with a thermal compensator for domestic applications using thermal efficiency and cooking power. The parabolic dish solar collector (PDSC) with a focal point of 6.15 m, aperture area of 5.8 m2 and rim angle (φo) of 45O was designed and constructed for the determination of the variables. The PDSC was made of stainless steel reflector sheet in such a way that both the manufacturing and assembly method do not require complicated skilled techniques and cost. Since the PDSC is for high temperature steam generation, hot water and cooking application. A finite element stress test analysis was conducted to determine the thermal efficiency and cooking power of the system under various weather conditions. A simple manual solar tracking mechanism was employed, and the results of the system performance were also reported. The efficiency according to thefinding depends on the optical properties of the materials involved, the geometry of the collector, and the various imperfections arising from the construction of the collector. The thermal efficiency and cooking power of the system were determined and obtained to be 54.4% and 543.1W respectively.
家用热补偿抛物面太阳能聚光系统热效率和蒸煮功率的测定
能源和环境有着密切的关系。能源的生产和消耗是造成地球环境破坏的最大原因之一。因此,化石燃料燃烧过程中释放的二氧化碳和其他温室气体水平的迅速增加,燃料价格的上升或不稳定是导致人们寻找更有效地利用不同来源的可再生能源的主要目的。减少燃烧燃料产生的温室气体的后果,这些气体会导致臭氧层的消耗和全球变暖。因此,在过去,直接使用太阳辐射作为能源已被证明不太经济和负担得起。本文旨在确定具有热补偿器的抛物面太阳能聚光系统的性能,用于使用热效率和烹饪功率的家庭应用。设计并搭建了聚焦点为6.15 m、孔径为5.8 m2、边缘角(φo)为45O的抛物盘式太阳能集热器(PDSC),并对其进行了数值模拟。PDSC由不锈钢反射板制成,制造和组装方法都不需要复杂的技术和成本。由于PDSC是用于高温蒸汽产生,热水和烹饪应用。通过有限元应力测试分析,确定了系统在不同天气条件下的热效率和蒸煮功率。采用了一种简单的手动太阳能跟踪机构,并报道了系统的性能结果。根据这一发现,效率取决于所涉及材料的光学性质、集热器的几何形状以及集热器结构产生的各种缺陷。系统的热效率和蒸煮功率分别为54.4%和543.1W。
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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