HEAT

作品数：1312被引量：2297H指数：19
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Equivalent combined cycle modelling for three-heat-reservoir thermal Brownian heat pump with heat-transfer effect and its optimal performance
《Science China(Technological Sciences)》2025年第2期27-39,共13页Lingen CHEN Congzheng QI Yanlin GE Huijun FENG 
supported by the National Natural Science Foundation of China(Grant Nos.52171317,51779262).
Because of the important role of the absorption heat pump in low-grade thermal energy utilization,this paper extends it to micro domain and performs a finite-time thermodynamic modelling for a three-heat-reservoir(THR...
关键词：three-heat-reservoir heat pump finite-time thermodynamics thermal Brownian motor COP heating load equivalent combined cycle 
Uncertainty analysis and robust design optimization for the heat-assisted bending of high-strength titanium tube被引量：2
《Science China(Technological Sciences)》2021年第10期2174-2185,共12页ZHANG Zhao YANG JingChao HUANG WeiLiang MA Jun LI Heng 
supported by the National Natural Science Foundation of China(Grant No.51775441).
Heat-assisted rotary draw bending(HRDB)is a promising technique for manufacturing difficult-to-form tubular components comprising high-strength titanium tubes(HSTTs)with small bending radii.However,as a multidie const...
关键词：robust design optimization uncertainty factors heat-assisted bending high-strength titanium tube 
A multi-objective study on the constructal design of non-uniform heat generating disc cooled by radial-and dendritic-pattern cooling channels被引量：14
《Science China(Technological Sciences)》2021年第4期729-744,共16页CHEN Chen YOU Jiang FENG HuiJun CHEN LinGen 
supported by the National Natural Science Foundation of China(Grant Nos.51779262 and 51579244);the Independent Project of Naval University of Engineering(Grant No.425317Q017)。
A three-dimensional disc model with non-uniform heat generating is built.A series of cooling channels are inserted to cool this disc which is strewn in a hierarchical pattern.To reveal thermal and flow characteristics...
关键词：constructal law non-uniform heat generating disc heat convection cooling channels multi-objective optimization generalized thermodynamic optimization 
Interfacial reaction mechanism of TiBw/Ti6Al4V composites and Inconel 718 alloys by GTAW heat transmission被引量：3
《Science China(Technological Sciences)》2019年第12期2293-2301,共9页GAO YaNan HUANG LuJun SUN Yuan AN Qi ZHANG Jie GENG Lin 
supported by the National Key R&D Program of China(Grant No.2017YFB0703100);the National Natural Science Foundation of China(Grant Nos.51822103,51801206,and 51731009);the Fundamental Research Funds for the Central Universities(Grant No.HIT.BRETIV.201902)
A good joint of Ti Bw/Ti6Al4V composites and Inconel 718 alloys was obtained by Gas Tungsten Arc Welding(GTAW) heat transmission. The interfacial reaction mechanism of joint was investigated and analyzed in details. O...
关键词：TiBw/Ti6Al4V composites Inconel 718 alloys interfacial reaction heat transmission microstructures 
Entransy functions for steady heat transfer被引量：8
《Science China(Technological Sciences)》2019年第10期1726-1734,共9页CHENG XueTao LIANG XinGang 
supported by the Science Fund for Creative Research Groups of National Natural Science Foundation of China(Grant No.51621062)
In this paper, the entransy functions for steady heat transfer are summarized and discussed based on the variational theory and the entransy theory. The entransy functions for steady convective heat transfer are deriv...
关键词：entransy entransy DISSIPATION entransy function STEADY STATE HEAT TRANSFER 
Trajectory generation of heat load test based on gauss pseudospectral method被引量：6
《Science China(Technological Sciences)》2018年第2期273-284,共12页ZHANG YuanLong LIU LuHua TANG GuoJian BAO WeiMin 
A new trajectory generation for heat load test is proposed based on gauss pseudospectral method within limit range. Firstly,with multiple path constraints and flight task requirements taken into consideration, heat lo...
关键词：glide vehicle trajectory generation heat load test gauss pseudospectral method 
Optimization of heat transfer and heat-work conversion based on generalized heat transfer law被引量：20
《Science China(Technological Sciences)》2012年第10期2847-2855,共9页CHENG XueTao WANG WenHua LIANG XinGang 
supported by the Natural Science Foundation of China(Grant No. 51136001);the Tsinghua University Initiative ScientificResearch Program
Examples of heat transfer and heat-work conversion are optimized with entropy generation and entransy loss,respectively based on the generalized heat transfer law in this paper.The applicability of entropy generation ...
关键词：entransy loss entropy generation generalized heat transfer law heat transfer optimization heat-work conversion optimization 
Constructal entransy dissipation rate and flow-resistance minimizations for cooling channels被引量：28
《Science China(Technological Sciences)》2010年第9期2458-2468,共11页XIAO QingHua,CHEN LinGen & SUN FengRui Postgraduate School,Naval University of Engineering,Wuhan 430033,China 
supported by the National Natural Science Foundation of China (Grant No. 10905093);the Program for New Century Excellent Talents in University of China (Grant No. NCET-04-1006);the Foundation for the Author of National Excellent Doctoral Dissertation of China (Grant No. 200136)
Based on constructal theory,a construct of a volume that generates heat at every point and is cooled by the coolant in the constant or tapered channel is optimized by minimizing entransy dissipation rate and flow resi...
关键词：CONSTRUCTAL theory entransy DISSIPATION rate HEAT RESISTANCE flow RESISTANCE HEAT CONVECTION generalized thermody- namic optimization 
Measures against the adverse impact of natural wind on air-cooled condensers in power plant被引量：22
《Science China(Technological Sciences)》2010年第5期1320-1327,共8页YANG LiJun,DU XiaoZe & YANG YongPing Key Laboratory of Condition Monitoring and Control for Power Plant Equipment of Ministry of Education of China,North China Electric Power University,Beijing 102206,China 
supported by the National Basic Research Program of China ("973" Project) (Grant No.2009CB219804)
The natural wind plays disadvantageous roles in the operation of air-cooled steam condensers in power plant.It is of use to take various measures against the adverse effect of wind for the performance improvement of a...
关键词：air-cooled CONDENSER WIND SPEED and direction flow and HEAT TRANSFER BACK pressure power plant 
Effect of heat treatment on mechanical properties of heavily cold-rolled Fe-6.5wt%Si alloy sheet被引量：11
《Science China(Technological Sciences)》2010年第4期1008-1011,共4页LIANG YongFeng,YE Feng,LIN JunPin,WANG YanLi,ZHANG LaiQi & CHEN GuoLiang State Key Laboratory for Advanced Metals and Materials,University of Science and Technology Beijing,Beijing 100083,China 
supported by the National Basic Research Program of China ("973" Project)(Grant No 2006CB605205-2);the National Natural Science Foundation of China (Grant No 50771018)
Fe-6.5wt%Si alloy has excellent soft magnetic properties,but it is hard to be cold-rolled due to appearance of ordered phases in this alloy.In this paper we report that ultra thin Fe-6.5wt%Si sheet of 0.05 mm thick wa...
关键词：Fe-6.5wt%Si ALLOY COLD ROLLING HEAT treatment microstructure MECHANICAL properties 
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