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中文摘要：
以换热过程、理论热机和实际内燃机为研究对象，应用最优控制理论和有限时间热力学相结合的方法，通过模型建立、理论分析和数值计算，对其最优构型和最优性能进行研究。内容包括以火积耗散最小为目标研究换热过程最优路径，并导出包含广义辐射传热规律和广义对流传热规律的普适传热规律下的优化结果；普适传热规律下内可逆和广义不可逆热机生态学性能及火用经济性能优化；辐射传热规律和普适传热规律下内可逆和不可逆多级能量系统的最优性能；非均匀工质热机的功率和效率性能界限；工质比热随温度非线性变化时循环的最优性能；辐射传热规律、对流辐射传热规律时内燃机循环最大输出功和最小熵产生时活塞运动最优路径；各种约束条件下活塞式加热气缸不可逆膨胀的最优路径。旨在获得换热过程和热机在不同优化目标和传热规律下的最优构型和性能，为实际装置最优运行和设计提供科学依据。
英文摘要：
thermodynamic optimization；constructal theory；optimal configruation；optimal perfromance；
结论摘要：
基于热力学优化理论和构形理论的思想，选定热流、质量流传递过程和功、热能、化学能、电能等能量转换循环为研究对象，将热力学、传热传质学、流体力学和最优控制理论相结合，分析研究这些过程和循环的最优构型和最优性能。主要内容包括基于构形理论和火积耗散极值原理的传热、传质构形优化；正、反向卡诺循环的热力学优化；内燃机循环和活塞式加热气缸的热力学优化；热电装置的热力学优化；化学过程和循环的热力学优化；简单和复杂燃气轮机循环及其联合与联产循环的热力学优化；微型能量转换系统的热力学优化；其他过程和循环的热力学优化。获得了传热过程、传质过程和能量转换循环在不同目标、传热和传质规律下的最优构型和最优性能，可为实际装置的优化设计与最优运行提供科学依据和理论指导。项目取得的重要研究成果如下将有限时间热力学和火积耗散极值原理相结合开展了传热传质过程的动态优化问题研究，开辟了有限时间热力学研究的新方向，拓展了火积耗散极值原理的应用；导出了普适导热规律下给定正反向循环各种性能特性和循环最优构型，给出了统一描述，包含了大量前人结果，具有相当的普遍性；将有限时间热力学理论应用到热驱动布朗马达、能量选择性电子机和热离子装置等三类微型能量转换系统性能分析与优化中，得到了不同于经典热力学研究的新结果，拓展了有限时间热力学的研究思路和应用范围，使其更加系统和完善；发现并订正了以往文献中“将高温流体末态温度取为低温热源温度分析多级热机系统最大功率输出”的错误研究结果，得到了“高温侧流体存在最佳的末态温度使多级热机系统输出功率达到最大”等一系列研究新结果。
成果综合统计
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期刊论文
Maximum power output of multistage continuous and discrete isothermal endoreversible chemical engine
Finite time exergoeconomic performance optimization for a universal steady flow irreversible heat pu
Performance optimization of combined Brayton and two parallel inverse Brayton cycles with regenerati
Exergoeconomic performance optimization for a steady-flow endoreversible refrigerator model includin
Local stability of an endoreversible Carnot heat pump with linear phenomenological heat transfer law
Effect of heat transfer on the performance of thermoelectric generator-driven thermoelectric refrige
Thermodynamic modelling for open combined regenerative Brayton and inverse Brayton cycles with regen
Performance analysis and optimization of a single barrier solid-state thermionic refrigerator with e
Effects of heat reservoir temperatures on performance of thermoelectric heat pump driven by thermoel
Multivariable optimization of a two-stage thermoelectric refrigerator driven by a two-stage thermoel
Optimal paths for minimizing entransy dissipation during heat transfer processes with generalized ra
Heating load and COP optimizations for a class of generalized irreversible universal steady flow var
Power-optimization of non-ideal energy converters under generalized convective heat transfer law via
Finite time exergoeconomic performance optimization of a thermoacoustic cooler with a complex heat t
The optimal path of piston motion of irreversible Otto cycle for minimum entropy generation with rad
Exergoeconomic performance analyses of an endreversible intercooled regenerative Brayton cogeneratio
Modeling and performance analysis of energy selective electron (ESE) engine with heat leakage and tr
Performance prediction and irreversibility analysis of a thermoelectric refrigerator with finned hea
Thermodynamic optimization for an open cycle of externally fired micro gas turbine (EFmGT) Part 1: T
Finite time exergoeconomic performance of an irreversible intercooled regenerative Brayton cogenerat
Optimal piston speed ratios for irreversible Carnot refrigerator and heat pump using finite time the
Constructal entransy dissipation rate minimization for a heat generating volume cooled by forced con
Finite-time exergoeconomic performance of an endoreversible Carnot heat engine with complex heat tra
Comparative study on constructal optimizations of T-shaped fin based on entransy dissipation rate mi
Optimizing piston velocity profile for maximum work output from a generalized radiative law Diesel e
Exergetic performance optimization of an endoreversible intercooled regenerated Brayton cogeneration
Performance optimization of a total momentum filtered energy selective electron (ESE) heat engine wi
Ecological performance optimization for an open-cycle ICR gas turbine power plant. Part 2: Optimizat
Constructal optimization of a vertical insulating wall based on a complex-objective combining heat f
Ecological performance optimization for an open-cycle ICR gas turbine power plant. Part 1: Thermodyn
Constructal optimization of twice level Y-shaped assemblies of fins by taking maximum thermal resist
time exergoeconomic performance optimization for an irreversible universal steady flow variable-temp
Maximum efficiency of an irreversible heat engine with a distributed working fluid and linear phenom
Maximum work output of multistage continuous Carnot heat engine system with finite reservoirs of the
Performance characteristic of energy selective electron (ESE) heat engine with filter heat conductio
Optimal expansion of a heated working fluid for maximum work output with time-dependent heat conduct
Optimizations of a model external combustion engine for maximum work output with generalized convect
Effects of unequal finite piston speeds on the optimal performances of endoreversible Carnot refrige
Exergoeconomic optimal performance of an irreversible closed Brayton cycle combined cooling, heating
Exergoeconomic performance optimization of an endoreversible intercooled regenerated Brayton cogener
Heating load, COP, exergy loss rate, exergy output rate and ecological analyses and optimizations fo
Ecological performance of a generalized irreversible Carnot heat engine with complex heat transfer l
A numerical model and comparative investigation of a thermoelectric generator with multi-irreversibi
Modelling and performance analysis for endreversible Meletis-Georgiou cycle with non-linear relation
Optimal process durations of expansion of a heated working fluid with linear phenomenological transf
Local stability of a generalized irreversible Carnot engine working at the maximum ecological functi
Performance of irreversible Meletis-Georgiou vane rotary engine cycle with variable specific heats o
Internal and external simultaneous optimization of an irreversible multielement thermoelectric gener
Exergy optimization for irreversible closed Brayton cycle combined cooling, heating and power genera
Maximum power output of multistage irreversible heat engines under a generalized heat transfer law b
Performance analysis for an irreversible combined thermionic-thermoelectric generator with finite ra
Performance optimization for two classes of combined regenerative Brayton and inverse Brayton cycles
Finite time exergoeconomic performance of a real intercooled regenerated gas turbine cogeneration pl
Constructal minimization of emitter grid resistance for a solar cell with variable cross-section col
Performance comparison of an endoreversible closed variable-temperature heat reservoir intercooled r
Optimization of a model external combustion engine for maximum work output with generalized radiativ
Maximum power and efficiency of an irreversible thermoelectric generator with a generalized heat tra
Optimum variables selection of thermoelectric generator-driven thermoelectric refrigerator at differ
Thermodynamic optimization for open regenerated inverse Brayton cycle (refrigeration/heat pump cycle
Performance characteristics of the multielement thermoelectric generator with radiative heat transfe
Fundamental optimal relation of a generalized irreversible quantum Carnot heat pump with harmonic os
Influence of variable specific heats of working fluid on performance of an endreversible Meletis-Geo
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