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Design Optimization of Conventional Heat Pumps: Application to Steady-State Heating Efficiency 常规热泵的优化设计:在稳态加热效率中的应用
将一个基于物理的热泵模型连接到一个优化程序,形成一个用于高效热泵设计的计算机代码。所使用的方法允许同时优化选定的设计变量,适当考虑其相互作用,同时将其他参数限制在选定的极限或固定值。为了优化常规热泵的稳态热效率,在供热量不变的情况下,对10个变量进行了优化;然而,结果可能会扩展到其他容量。 计算了一系列部件效率和换热器尺寸。结果预测,由于优化系统配置和使用改进的部件,加热性能将显著改善。敏感性分析表明,有相当大的余地偏离最佳设计,以利用可用的部件尺寸,并适应良好冷却性能所需的折衷方案。引文:研讨会,ASHRAE交易,第87卷,第一部分,伊利诺伊州芝加哥
A physically based heat pump model was connected to an optimization program to form a computer code for use in the design of high-efficiency heat pumps. The method used allows for the simultaneous optimization of selected design variables, taking proper account of their interactions, while constraining other parameters to chosen limits or fixed values.For optimization of the steady-state heating efficiency of conventional heat pumps, ten variables were optimized while heating capacity was fixed; the results may, however, be scaled to other capacities. Calculations were made for a range of component efficiencies and heat exchanger sizes. The results predict substantial improvement in heating performance due to both optimal system configurations and the use of improved components.Sensitivity analyses show that there is considerable latitude for deviating from the optimum design to make use of available component sizes and for accommodating the compromises needed for good cooling performance.
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