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Entropy flow, entropy generation, exergy flux, and optimal absorbing temperature in radiative transfer

Zeshao CHEN, Songping MO, Peng HU, Shouli JIANG, Gang WANG, Xiaofang CHENG,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 301-305 doi: 10.1007/s11708-010-0006-0

Abstract: Taking nonequilibrium radiative heat transfer between two surfaces as an example, the nonequilibriumthermodynamic analysis and optimization of solar energy utilization and can be applied in more complex radiativeheat transfer cases.

Keywords: radiative heat transfer     entropy generation     exergy     thermodynamics    

Thermal performance of a single-layer packed metal pebble-bed exposed to high energy fluxes

Shengchun ZHANG, Zhifeng WANG, Hui BIAN, Pingrui HUANG

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 513-528 doi: 10.1007/s11708-019-0638-7

Abstract: The multiple spheres model includes calculations of the external incidence, view factors, and heat transfer

Keywords: packed bed     solar thermal power plants     high heat fluxes     radiative heat transfer    

Thermal radiative properties of metamaterials and other nanostructured materials: A review

Ceji FU, Zhuomin M. ZHANG

Frontiers in Energy 2009, Volume 3, Issue 1,   Pages 11-26 doi: 10.1007/s11708-009-0009-x

Abstract: investigations have been performed in recent years to understand the influence of microstructures on radiativeproperties, and other nanostructured materials, such as gratings and photonic crystals, for application in radiativeenergy transfer and energy conversion systems.

Keywords: metamaterial     nanostructured material     thermal radiative property     radiative energy transfer    

Augmentation of natural convective heat transfer by acoustic cavitation

Jun CAI, Xiulan HUAI, Shiqiang LIANG, Xunfeng LI,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 313-318 doi: 10.1007/s11708-009-0064-3

Abstract: experimental study was conducted to investigate the effects of acoustic cavitation on natural convective heattransfer from a horizontal circular tube.The experimental results indicated that heat transfer could be enhanced by acoustic cavitation and hadThe augmentation at low heat flux was better than that in the case of high heat flux.

Keywords: heat transfer enhancement     augmentation     acoustic cavitation     acoustic streaming     convective heat transfer    

Experimental study of heat transfer coefficient with rectangular baffle fin of solar air heater

Foued CHABANE,Nesrine HATRAF,Noureddine MOUMMI

Frontiers in Energy 2014, Volume 8, Issue 2,   Pages 160-172 doi: 10.1007/s11708-014-0321-y

Abstract: The heat transfer coefficient between the absorber plate and air can be considerably increased by usingexperimental study has been conducted to investigate the effect of roughness and operating parameters on heattransfer.To determine the enhancement in heat transfer and increment in thermal efficiency, the values of Nusselt

Keywords: Nusselt number     flow rate     heat transfer     heat transfer coefficient     thermal efficiency     forced convection    

Effects of radiation and heat source/sink on unsteady MHD boundary layer flow and heat transfer over

Krishnendu Bhattacharyya

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 376-384 doi: 10.1007/s11705-011-1121-0

Abstract: In this paper, an investigation is made to study the effects of radiation and heat source/sink on theunsteady boundary layer flow and heat transfer past a shrinking sheet with suction/injection.The thermal boundary layer thickness decreases with Prandtl number, radiation parameter and heat sinkparameter, but it increases with heat source parameter.heat transfer.

Keywords: MHD boundary layer     unsteady flow     heat transfer     thermal radiation     heat source/sink     shrinking sheet     suction    

Effect of heat transfer space non-uniformity of combustion chamber components on in-cylinder heat transfer

Jizu LV, Minli BAI, Long ZHOU, Jian ZHOU,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 392-401 doi: 10.1007/s11708-009-0066-1

Abstract: Based on the three-dimensional numerical simulation of the heat transfer of the coupled body, a coupledThe model was applied in the investigation of the influence of space non-uniformity in heat transferamong combustion chamber components on in-cylinder heat transfer.transfer happens mainly at the end of the compression stroke and expansion stroke.transfer during the intake and exhaust stroke obviously.

Keywords: heat transfer     space non-uniformity     soot emission     in-cylinder     diesel    

Bifunctional Asymmetric Fabric with Tailored Thermal Conduction and Radiation for Personal Cooling and Warming Article

Yucan Peng, Hiang Kwee Lee, David S. Wu, Yi Cui

Engineering 2022, Volume 10, Issue 3,   Pages 167-173 doi: 10.1016/j.eng.2021.04.016

Abstract: By improving control over the heat dissipating from the human body, personal thermal management can provideradiation properties based on commercially available fabric, to realize better management of the whole heatasymmetry and surface modification, the BAF demonstrates an effective cooling effect through enhanced heatconduction and radiation in the cooling mode; in the warming mode, heat dissipation along both routes

Keywords: Textiles     Personal thermal management     Bifunctional asymmetric fabric     Heat conduction     Radiative heattransfer    

Review of the LNG intermediate fluid vaporizer and its heat transfer characteristics

Frontiers in Energy 2022, Volume 16, Issue 3,   Pages 429-444 doi: 10.1007/s11708-021-0747-y

Abstract: In this present paper, studies of IFV and its heat transfer characteristics in the LNG vaporization unitMoreover, studies on the fluid flow and heat transfer behaviors of the supercritical LNG inside the tubesand the condensation heat transfer of the intermediate fluid outside the tubes are summarized.In the thermal calculations of the IFV, the selections of the existing heat transfer correlations aboutFurthermore, corresponding experiments or numerical simulations on the cryogenic condensation heat transfer

Keywords: intermediate fluid vaporizer     design of structure and intermediate fluid     condensation heat transfer    

A new heat transfer correlation for supercritical fluids

Yanhua YANG, Xu CHENG, Shanfang HUANG

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 226-232 doi: 10.1007/s11708-009-0022-0

Abstract: A new method of heat transfer prediction in supercritical fluids is presented.Assessment of qualitative behaviour of heat transfer is conducted based on existing test data and experiencetransfer from its conventional behaviour, which is predicted by the Dittus-Boelter equation.The new correlation structure excludes direct dependence of heat transfer coefficient on wall surfaceComparison of various heat transfer correlations with the selected test data shows that the new correlation

Keywords: super critical fluids     heat transfer     circular tubes     prediction method    

Analysis of flow and heat transfer characteristics of porous heat-storage wall in greenhouse

OUYANG Li, LIU Wei

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 406-409 doi: 10.1007/s11708-008-0094-2

Abstract: The flow and heat transfer characteristics of porous heat-storage wall in greenhouse are studied by usingThe results show that the heat exchange between the air and the solid matrix of the porous heat-storageBecause the incidence of solar radiation on the porous heat-storage wall is not uniform, the new composite

Keywords: incidence     thermal conductivity     heat-storage     exchange     composite    

Heat transfer characteristics of high heat flux vapor chamber

Dongchuan MO, Shushen LU, Haoliang ZHENG, Chite CHIN,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 166-170 doi: 10.1007/s11708-009-0076-z

Abstract: To meet the challenge of heat spreading in electronic products, highly efficient high heat flux heattransfer vapor chambers have been manufactured and their heat transfer characteristics have been studiedThe heat transfer characteristics of the vapor chamber are more superior to those of the copper blockIn this paper, total thermal resistance of the test system is used to evaluate the heat transfer characteristics

Keywords: high heat flux     vapor chamber (VC)     heat transfer characteristics     fast test    

Heat transfer coefficient of wheel rim of large capacity steam turbines

SHI Jinyuan, DENG Zhicheng, YANG Yu, JUN Ganwen

Frontiers in Energy 2008, Volume 2, Issue 1,   Pages 20-24 doi: 10.1007/s11708-008-0015-4

Abstract: A way of calculating the overall equivalent heat transfer coefficient of wheel rims of large capacityThe method and formula to calculate the mean forced convection heat-transfer coefficient of the surfaceA fin heat transfer model was then used to calculate the equivalent heat transfer coefficient of theThe overall equivalent heat transfer coefficient of the wheel rim was then calculated using a cylindricalThe proposed method helps determine the heat transfer boundary conditions in finite element analyses

Keywords: convection heat-transfer     capacity     heat-transfer coefficient     bottom     transmission    

Characteristics of flow and heat transfer of shell-and-tube heat exchangers with overlapped helical baffles

Tingting DU, Wenjing DU

Frontiers of Engineering Management 2019, Volume 6, Issue 1,   Pages 70-77 doi: 10.1007/s42524-019-0005-8

Abstract:

The characteristics of flow and heat transfer of shell-and-tube heat exchangers with overlapped helicalIn a fully developed section, the distribution of velocity and wall heat transfer coefficient has a similarMoreover, the back flow enhances the local heat transfer and causes the ascent of flow resistance.

Keywords: heat exchanger     overlapped helical baffle     triangular zone     helical flow    

Analysis of the radiation heat transfer process of phase change for a liquid droplet radiator in space

Jinying YIN, Linhua LIU

Frontiers in Energy 2011, Volume 5, Issue 2,   Pages 166-173 doi: 10.1007/s11708-010-0105-y

Abstract: The optimization of a space power system is greatly affected by the radiation heat transfer in a liquidRadiation heat transfer in a two-dimensional bed of phase-change particle is modeled by solving the radiativetransfer equation using the discrete ordinates method and the energy equation using the implicit finiteThe Mie theory is used to calculate the radiative properties of the droplet bed, whereas the effectiveflux, whereas the thickness of the layer has a mild influence on heat flux.

Keywords: radiation heat transfer     particle polydispersion     liquid droplet radiator     phase change    

Title Author Date Type Operation

Entropy flow, entropy generation, exergy flux, and optimal absorbing temperature in radiative transfer

Zeshao CHEN, Songping MO, Peng HU, Shouli JIANG, Gang WANG, Xiaofang CHENG,

Journal Article

Thermal performance of a single-layer packed metal pebble-bed exposed to high energy fluxes

Shengchun ZHANG, Zhifeng WANG, Hui BIAN, Pingrui HUANG

Journal Article

Thermal radiative properties of metamaterials and other nanostructured materials: A review

Ceji FU, Zhuomin M. ZHANG

Journal Article

Augmentation of natural convective heat transfer by acoustic cavitation

Jun CAI, Xiulan HUAI, Shiqiang LIANG, Xunfeng LI,

Journal Article

Experimental study of heat transfer coefficient with rectangular baffle fin of solar air heater

Foued CHABANE,Nesrine HATRAF,Noureddine MOUMMI

Journal Article

Effects of radiation and heat source/sink on unsteady MHD boundary layer flow and heat transfer over

Krishnendu Bhattacharyya

Journal Article

Effect of heat transfer space non-uniformity of combustion chamber components on in-cylinder heat transfer

Jizu LV, Minli BAI, Long ZHOU, Jian ZHOU,

Journal Article

Bifunctional Asymmetric Fabric with Tailored Thermal Conduction and Radiation for Personal Cooling and Warming

Yucan Peng, Hiang Kwee Lee, David S. Wu, Yi Cui

Journal Article

Review of the LNG intermediate fluid vaporizer and its heat transfer characteristics

Journal Article

A new heat transfer correlation for supercritical fluids

Yanhua YANG, Xu CHENG, Shanfang HUANG

Journal Article

Analysis of flow and heat transfer characteristics of porous heat-storage wall in greenhouse

OUYANG Li, LIU Wei

Journal Article

Heat transfer characteristics of high heat flux vapor chamber

Dongchuan MO, Shushen LU, Haoliang ZHENG, Chite CHIN,

Journal Article

Heat transfer coefficient of wheel rim of large capacity steam turbines

SHI Jinyuan, DENG Zhicheng, YANG Yu, JUN Ganwen

Journal Article

Characteristics of flow and heat transfer of shell-and-tube heat exchangers with overlapped helical baffles

Tingting DU, Wenjing DU

Journal Article

Analysis of the radiation heat transfer process of phase change for a liquid droplet radiator in space

Jinying YIN, Linhua LIU

Journal Article