Investigation on the optimum performance of a class of irreversible three-source chemical pumps

根据驱动能流的不同，人们将热力学机分为热机、化学机和其它类型机。对于热流驱动的热力循环设备已经有了大量的研究,特别是有限时间热力学的应用，使这一领域的研究更加活跃。近十几年来，应用有限时间热力学方法研究热力循环已经拓展到化学反应、化学机和化学泵等循环设备。类似于可由太阳能，地热能，工业废热等热流驱动的三热源热泵，三源化学泵是以质量流而不是以高品位的功来驱动循环的新型化学循环系统，它工作在三个化学势不同的物质库（称之为驱动库、泵质库和环境库）之间,应用这类循环设备对于节约能源和减少环境污染等具有重要意义，符合可持续发展的战略目标。本文建立受传质不可逆性、工质内部不可逆性和质量漏等多种不可逆因素影...According to the difference of energy currents which are used to operate the engines, it is possible to distinguish thermodynamic engines into thermal, chemical and other engines. A lot of the research work has been done in thermodynamic cycle devices driven by heat currents. Especially, the application of the finite time thermodynamics has made the investigation in this field more active. In rece...学位：理学硕士院系专业：物理与机电工程学院物理学系_理论物理学号：20012400

The Effect of Multi-irreversibilities on Thermoeconomic Performance of a Heat Transformer

【中文文摘】基于一类不可逆三热源热变换器的循环模型,提出以每单位成本的泵热率作为热经济学目标函数,优化热变换器的各种性能参数.分析内不可逆性、热漏和经济参数对热变换器性能的影响,利用数值解计算热经济学目标函数的最大值及所对应的各种性能参数. 【英文文摘】The heating load per unit cost is taken as the thermoeconomic objective function with the cycle model of a class of irreversible three-heat-source heat transformers as the basis. The objective function is used to optimize the performance of the cycle. The effect of internal irreversibility, heat leak and economic parameter on the performance of the cycle is analyzed. The maximum thermoeconomic function and the corresponding performance parameters are obtained by using numerical calculation. The results obtained here provide some valuable guidance for the optimal design and operation of practical systems.国家自然科学基金资助项目(59976033

OPTIMAL ANALYSIS ON THE PERFORMANCE OF AN IRREVERSIBLE THREE-SOURCE CHEMICAL POTENTIAL TRANSFORMER

【中文文摘】建立受传质和质量漏不可逆性影响的一类三源化学势变换器的新循环模型,分析这些不可逆性对化学势变换器性能的影响,导出性能系数与泵能率间的基本优化关系和其它参数的优化表式,同时确定了化学势变换器一些重要参数的最佳工作区域和性能界限。 【英文文摘】A new cyclic model of a class of three-source chemical potential transformers affected by the irreversibilities of mass-transfer and mass leakage is established. The influence of these irreversibilities on the performance of the transformers is analyzed. The fundamental optimum relation between the coefficient of performance and the rate of energy pumping and the optimal expressions of other parameters are derived. Moreover, the optimally operating regions and the performance bounds of some important parameters of transformers are detemined

Thermoeconomic Optimization on the Performance of an Irreversible Three-heat-source Heat Pump

【中文文摘】基于一类不可逆三热源热泵的循环模型,以每单位时间成本的泵热率作为热经济学目标函数,研究投资成本、供热成本、其它费用成本和几种主要不可逆性对热泵优化性能的影响,计算了热经济学目标函数的最大值及对应的各种性能参数.确定了三热源热泵的最佳工作区域和重要参数的性能界限. 【英文文摘】Based on the cycle model of a class of irreversible threeheatsource heat pumps, the heating load per unit cost is taken as the thermoeconomic objective function, which is used to investigate the influence of the investment cost, supplyingheat cost, other charge cost, and several main irreversibilities on the performance of the cycle. The maximum objective function and the corresponding performance parameters are calculated. The optimally operating regions of the heat pump and the bounds of important performance parameters are determined.国家自然科学基金(59976033);; 泉州市科研基金资助(Z200241

The Influence of Irreversible Mass Transfer and Mass Leak on the Performance of a Three-source Chemical Pump

【中文文摘】建立不可逆三源化学泵的新循环模型,揭示不可逆传质和质量漏对循环性能的影响,导出性能系数与泵能率间的基本优化关系,进而讨论循环的其它优化特性,并确定化学泵重要参数的最佳工作区域和新的性能界限. 【英文文摘】A new cyclic model of an irreversible three-source chemical pump is set up and the influences of irreversible mass transfer and mass leak on the performance of the chemical pump are revealed. The optimal relationship between the coefficient of performance and the rate of energy pumping is derived. On the basis of the optimal relationship, other optimal performances of the chemical pump are discussed further. The optimally operating regions and the new performance bounds of some important parameters for the chemical pump are determine