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首页> 外文期刊>International energy journal >Energy and Exergy Analysis of Solar Thermal Energy-based Polygeneration Processes for Applications in Rural India
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Energy and Exergy Analysis of Solar Thermal Energy-based Polygeneration Processes for Applications in Rural India

机译：基于光热能的多联产过程在印度农村地区的能量和火用分析

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摘要

The objective of this paper is to analyze the energy and exergy of a solar thermal based polygenearation process used for rural application in India. Linear Fresnel reflector (LFR) is used as solar thermal energy generation source for polygeneration process. The LFR system design is slightly modified to bring down the cost of the solar field. Electric power, cooling and generation of hot water for process applications are various polygeneric applications discussed in this work. The system is modeled to be experimented for application in rural sector of India, where various processes can function in parallel to cater to livelihood enhancements. Such, stand alone units are useful for community based refrigeration units, especially during the season of harvest. Vapour absorption machine (VAM) and adsorption chiller are selected for consideration in cooling applications, while pasteurizing unit is explained as a hot water utilization method. Molten salt-based storage for short time duration is also investigated in the current study. Thermodynamic analysis and solar field optimization are done for the polygeneration process to identijy various operating parameters. Key input parameters are varied to identify the changes in outputs of various components. Energy and exergy analysis shows that there is very less loss in most of the components, while LFR and VAM are found to be high exergy loss equipment. There is a scope of scaling up of such systems which can be operated as standalone units for applications in the rural regions.
机译：本文的目的是分析用于印度农村应用的基于太阳能的聚热发电过程的能量和火用。线性菲涅尔反射镜（LFR）用作多联产过程的太阳能热产生源。对LFR系统的设计进行了略微修改，以降低太阳能领域的成本。用于过程应用的电力，冷却和热水是本工作中讨论的各种多类应用。该系统经过建模，可以在印度农村地区进行试验应用，该地区的各种流程可以并行运行，以满足人们的生活需求。这样的独立单元对于基于社区的制冷单元很有用，尤其是在收获季节。选择蒸汽吸收机（VAM）和吸附式冷却器用于冷却应用，而巴氏灭菌法则被解释为一种热水利用方法。在当前研究中还研究了基于熔融盐的短时间存储。对多联产过程进行了热力学分析和太阳场优化，以识别各种运行参数。更改关键输入参数以识别各种组件的输出变化。能量和火用分析表明，大多数组件的损耗非常少，而LFR和VAM被认为是高火用损耗设备。这些系统可以扩大规模，可以作为农村地区应用的独立单元运行。

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