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国家自然科学基金(51376101): 作品数：14被引量：68H指数：7; 导出分析报告; 相关作者：梁新刚程雪涛徐向华更多>>; 相关机构：清华大学更多>>; 相关期刊：《工程热物理学报》《Science China(Technological Sciences)》《Chinese Physics B》《Science Bulletin》更多>>; 相关主题：ANALYSESWORK熵产热功转换LOSS更多>>; 相关领域：动力工程及工程热物理理学航空宇航科学技术电气工程更多>>

预冷换热管束除霜/冰实验研究: 《工程热物理学报》2019年第5期1139-1142,共4页贾云涛徐向华房圣友李育隆梁新刚; 国家自然科学基金(No.51376101);国家自然科学基金创新研究群体项目(No.51621062); 本文对冷媒入口温度在-10～-60℃条件下的细管束预冷换热器的结霜/冰及除霜/冰特性进行了实验研究。单列细管的霜/冰产生和消除过程的研究采用图像对比和测量压降的方法,除霜/冰采用向主气流喷射乙醇的方法。研究结果表明,在空气湿度不...; 关键词：预冷换热器细管束结霜除霜

Experimental study on spray cooling under reduced pressures被引量：2: 《Science China(Technological Sciences)》2019年第2期349-355,共7页PENG Can XU XiangHua LI Ye Ming LI YuLong LIANG XinGang; supported by the National Natural Science Foundation of China(Grant No.51376101);the National Science Fund for Creative Research Groups(Grant No.51621062); Spay cooling is a complicated flow and heat transfer process affected by multi-factors among which the environmental pressure is extremely important. However the influence of pressure is not investigated sufficiently,...; 关键词：SPRAY COOLING FLASH EVAPORATION REDUCED pressure phase CHANGE

Theoretical analyses of the performance of a concentrating photovoltaic/thermal solar system with a mathematical and physical model, entropy generation minimization and entransy theory被引量：13: 《Science China(Technological Sciences)》2018年第6期843-852,共10页CHENG XueTao XU XiangHua LIANG XinGang; supported by the National Natural Science Foundation of China(Grant No.51376101);the Science Fund for Creative Research Groups(Grant No.51621062); In this paper, the performance of a concentrating photovoltaic/thermal solar system is numerically analyzed with a mathematical and physical model. The variations of the electrical efficiency and the thermal efficienc...; 关键词：solar energy photovoltaic/thermal system performance analyses entropy generation entransy

Role of entropy generation minimization in thermal optimization被引量：3: 《Chinese Physics B》2017年第12期160-166,共7页程雪涛梁新刚; Project supported by the National Natural Science Foundation of China(Grant No.51376101);the National Natural Science Fund for Creative Research Groups,China(Grant No.51621062); Thermal optimization is very important for improving the performances of thermal systems. In engineering, the entropy generation minimization （EGM） has been widely used to optimize and evaluate the performances of t...; 关键词：entropy generation thermal analysis heat transfer heat-work conversion

熵产最小化理论在传热和热功转换优化中的应用探讨被引量：13: 《物理学报》2016年第18期234-240,共7页程雪涛梁新刚; 国家自然科学基金(批准号:51376101)资助的课题~~; 针对传热和热功转换系统的优化设计,分析了熵产最小化理论的优化方向和适用条件.熵产直接度量系统可用能或做功能力的损失,因此熵产最小化理论的优化方向为将系统可用能或做功能力的损失降到最低,从而使系统保有最大的做功能力.然而,在...; 关键词：熵产最小化优化分析传热过程热功转换过程

圆柱状卫星侧表面温度场均匀化设计被引量：10: 《兵器装备工程学报》2016年第5期1-6,共6页程雪涛徐向华梁新刚; 国家自然科学基金(51376101); 温度场均匀化设计因有利于航天器的稳定高效运行而获得越来越多的重视。本文针对简化的圆柱状卫星,采用仿生优化方法对给定量的高导热材料进行优化分布,以均匀化卫星侧表面温度场。同时,本文还基于理论分析了温度场均匀化过程中卫星的...; 关键词：卫星温度场均匀化设计仿生优化方法煅理论热阻分析

Work entransy and its applications被引量：14: 《Science China(Technological Sciences)》2015年第12期2097-2103,共7页CHENG XueTao LIANG XinGang; supported by the National Natural Science Foundation of China(Grant No.51376101);the Science Fund for Creative Research Groups(Grant No.51321002); The entransy theory has been applied to the analyses of heat-work conversion systems. The physical meaning and the applications of work entransy are analyzed and discussed in this paper. Work entransy, which is clarif...; 关键词：work entransy entransy loss thermodynamic processes APPLICATION LIMITATION

Optimization of combined endoreversible Carnot heat engines with different objectives被引量：4: 《Chinese Physics B》2015年第6期239-244,共6页程雪涛梁新刚; Project supported by the National Natural Science Foundation of China(Grant No.51376101);the Science Fund for Creative Research Groups,China(Grant No.51321002); Taking the output power, thermal efficiency, and thermo-economic performance as the optimization objectives, we optimize the operation parameters of a thermodynamic system with combined endoreversible Carnot heat engi...; 关键词：combined endoreversible Carnot heat engines entransy theory entropy generation minimization finite time thermodynamics

T-Q diagram analyses and entransy optimization of the organic flash cycle(OFC)被引量：7: 《Science China(Technological Sciences)》2015年第4期630-637,共8页WANG Wen Hua CHENG Xue Tao LIANG Xin Gang; The National Natural Science Foundation of China(Grant No.51376101);Science Fund for Creative Research Groups(Grant No.51321002);Tsinghua University Initiative Scientific Research Program; The electrical power generation from low temperature heat source attracts more and more attentions but the temperature mismatching between the heat sources and working medium in the organic Rankine cycle(ORC)becomes a...; 关键词：OFC T. Q diagram entransy loss combined cycle OPTIMIZATION

Entransy: its physical basis, applications and limitations被引量：27: 《Chinese Science Bulletin》2014年第36期5309-5323,共15页Xue-Tao Cheng Xin-Gang Liang; supported by the National Natural Science Foundation of China(51376101); In this paper, the physical basis and application conditions of the entransy theory are reviewed and discussed. Entransy can be obtained from the analogy between heat and electrical conductions. It is a state value an...; 关键词：应用程序物理基础微观状态数热力学过程平衡方程构形理论火用分析热系统

国家自然科学基金(51376101)