三热源内可逆热变换器比供热率优化

Optimization of specific heating load of a three-heat-source endoreversible heat transformer

针对经典热力学分析方法的不足 ,根据热变换器的功能、投资等方面的特点 ,按照内可逆联合卡诺循环模型 ,利用有限时间热力学理论方法 ,导出了吸收式热变换器比供热率与操作参数、比供热率与热力学性能系数的优化关系 ,从而使优化结果兼顾了系统用能的合理性和与总传热面积相关的反映设备投资回报的经济性指标 。

Aiming at the insufficient of the classical thermodynamics analysis method, the optimal relationships between the specific heating load (SHL) and operating parameters, SHL and coefficient of performance (COP), were deduced using the finite time thermodynamics method ,according to the characteristics of the investment and the capacity of AHT, and endo reversible combined Carnot cycle model. The rationality of the energy utilization and the economic index, which related to the total heat transfer area, were both taken into account. Hence, the results have a more all sided instructive meaning for the optimization and the design of the practical heat transformer.