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首页> 外文期刊>Journal of solar energy engineering >Performance Analysis of the Low-Temperature Solar-Boosted Power Generation System: Part I: Comparison Between Kalina Solar System and Rankine Solar System
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Performance Analysis of the Low-Temperature Solar-Boosted Power Generation System: Part I: Comparison Between Kalina Solar System and Rankine Solar System

机译：低温太阳能发电系统的性能分析：第一部分：卡利纳太阳能系统和朗肯太阳能系统的比较

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摘要

On the base of the two classical thermodynamic cycles (Kalina cycle and Rankine cycle), solar-boosted Kalina system (Kalina solar system) and solar-boosted Rankine system (Rankine solar system) with traditional nonconcentrating flat plate solar collector (FPSC) and evacuated tube solar collector (ETSC) are investigated in the present paper. The proposed solar systems are considered to be the hybrid of power generation subcycle and solar collector subcycle. Their electricity generating performances are compared under their respective optimal operating conditions to clarify which one is more competitive in solar utilization. Results show that ETSC is the better choice for the both solar systems. Further, the performance comparison shows that the low-temperature solar energy utilized in Kalina cycle is predominant to generate electricity. Meanwhile, the study also find that mass flow rate of the power generation subcycle, mass flow rate of the solar collector subcycle, mass fraction of ammonia and the regenerator performance are important operational parameters for high performance of the Kalina solar system. Finally, with the aid of the weather conditions of Kumejima Island in Japan, the perceptual knowledge for Kalina solar system by using an application case is shown in the paper.
机译：在两个经典的热力学循环（卡利纳循环和兰金循环）的基础上，采用传统的非集中式平板太阳能集热器（FPSC）的太阳提升式卡利纳系统（卡里纳太阳能系统）和太阳提升式兰金系统（朗肯太阳能系统）。本文研究了管式太阳能集热器（ETSC）。提出的太阳能系统被认为是发电子循环和太阳能收集器子循环的混合体。在各自的最佳运行条件下对它们的发电性能进行了比较，以阐明哪种在太阳能利用方面更具竞争力。结果表明，ETSC是两个太阳能系统的较好选择。另外，性能比较表明，在卡利纳循环中利用的低温太阳能主要用于发电。同时，研究还发现，发电子循环的质量流量，太阳能集热器子循环的质量流量，氨的质量分数和再生器性能是卡利纳太阳能系统高性能的重要运行参数。最后，借助日本久米岛的天气状况，通过应用案例展示了对Kalina太阳系的感知知识。

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