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首页> 外文会议>ASME(American Society of Mechanical Engineers) International Mechanical Engineering Congress: Advanced Energy Systems Division; 20031115-20031121; Washington,DC; US >ORGANIC WORKING FLUIDS FOR A COMBINED POWER AND COOLING CYCLE
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ORGANIC WORKING FLUIDS FOR A COMBINED POWER AND COOLING CYCLE

机译：功率和冷却​​循环相结合的有机工作流体

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摘要

A new thermodynamic cycle has been developed for the simultaneous production of power and cooling from low temperature heat sources. The proposed cycle combines the Rankine and absorption refrigeration cycles, providing power and cooling as useful outputs. Initial studies were performed with an ammonia-water mixture as the working fluid in the cycle. This work extends the application of the cycle to working fluids consisting of organic fluid mixtures. Organic working fluids have been used successfully in geothermal power plants, as working fluids in Rankine cycles. An advantage of using organic working fluids is that the industry has experience with building turbines for these fluids. A commercially available optimization program has been used to maximize the thermodynamic performance of the cycle. The advantages and disadvantages of using organic fluid mixtures as opposed to an ammonia-water mixture are discussed. It is found that thermodynamic efficiencies achievable with organic fluid mixtures, under optimum conditions, are lower than those obtained with ammonia-water mixtures. Further, the refrigeration temperatures achievable using organic fluid mixtures are higher than those using ammonia-water mixtures.
机译：已经开发出一种新的热力循环，用于同时从低温热源生产功率和冷却​​。拟议的循环结合了朗肯制冷和吸收式制冷循环，可提供功率和冷却​​作为有用的输出。在循环中以氨水混合物作为工作流体进行了初步研究。这项工作将循环的应用扩展到了由有机流体混合物组成的工作流体上。在兰金循环中，有机工质已成功用于地热发电厂。使用有机工作流体的优势在于，该行业在制造用于这些流体的涡轮机方面具有经验。已经使用可商购的优化程序来最大化循环的热力学性能。讨论了使用有机流体混合物而不是氨水混合物的优缺点。发现在最佳条件下，用有机流体混合物可获得的热力学效率低于用氨水混合物获得的热力学效率。此外，使用有机流体混合物可获得的制冷温度高于使用氨水混合物的可获得的制冷温度。

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