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Principle and status of technique of smoothed particle hydrodynamics and heat conduction model

Wang Yuheng,Liu Feng,Song Fengmei

Strategic Study of CAE 2008, Volume 10, Issue 11,   Pages 47-51

Abstract: Otherwise, the SPH model on heat conduction problem has been discussed.

Keywords： SPH     two dimensions nonlinear dynamics     heat conduction model     numerical simulations    

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Numerical study of conduction and radiation heat losses from vacuum annulus in parabolic trough receivers

Dongqiang LEI, Yucong REN, Zhifeng WANG

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 1048-1059 doi: 10.1007/s11708-020-0670-7

Abstract: The heat loss of the receiver has an important influence on the thermal efficiency and the operatingIn this paper, conduction and radiation heat losses are analyzed respectively to identify the heat lossA 2-D heat transfer model is established by using the direct simulation Monte Carlo method for rarefiedgas flow and heat transfer within the annulus of the receiver to predict the conduction heat loss causedthe conduction and radiation heat losses are systematically analyzed.

Keywords： parabolic trough receiver     vacuum annulus     rarefied gas     DSMC (direct simulation Monte Carlo)     heat loss    

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Sensitivity analysis and numerical experiments on transient test of compact heat exchanger surfaces

REN Hesheng, LAI Lingjun, CUI Yongzheng

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 374-380 doi: 10.1007/s11708-008-0079-1

Abstract: A single-blow transient testing technique considering the effect of longitudinal heat conduction is suggestedfor determining the average convection heat transfer coefficient of compact heat exchanger surface.outlet fluid temperature variation with similar theoretical curves, the dimensionless longitudinal conductionparameter , the time constant of the inlet fluid temperature , and the number of heat transfer unitstransfer performance of compact heat exchanger surfaces.

Keywords： coefficient     dimensionless longitudinal     longitudinal     temperature     conduction    

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Bifunctional Asymmetric Fabric with Tailored Thermal Conduction and Radiation for Personal Cooling and 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 provideHere, we propose a facile surface modification approach to tailor the thermal conduction and radiationproperties based on commercially available fabric, to realize better management of the whole heat transportasymmetry 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 heat    

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Optimization model analysis of centralized groundwater source heat pump system in heating season

Shilei LU,Yunfang QI,Zhe CAI,Yiran LI

Frontiers in Energy 2015, Volume 9, Issue 3,   Pages 343-361 doi: 10.1007/s11708-015-0372-8

Abstract: The ground-water heat-pump system (GWHP) provides a high efficient way for heating and cooling whileFirst, the groundwater thermal transfer calculation under slow heat transfixion and transient heat transfixionwas established by calculating the heat transfer simulation software Flow Heat and using correctionThen, the energy consumption calculation model for units and pumps were established, based on which theFinally, a field test on a GWHP system in Beijing was conducted and the model was applied.

Keywords： optimization model     groundwater source heat pump system     theoretical analysis     example verification     heating    

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A novel flow-resistor network model for characterizing enhanced geothermal system heat reservoir

Jian GUO, Wenjiong CAO, Yiwei WANG, Fangming JIANG

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 99-106 doi: 10.1007/s11708-018-0555-1

Abstract: The fracture characteristics of a heat reservoir are of critical importance to enhanced geothermal systemsThis paper presents the development of a novel flow-resistor network model to describe the hydraulicprocesses in heat reservoirs.reservoir are simplified by using flow resistors and the typically complicated fracture network of the heatFor heat reservoirs with various fracture configurations, the corresponding flow-resistor networks are

Keywords： enhanced geothermal systems     flow-resistor network model     fracture characteristics     heat reservoir    

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Impact of anthropogenic heat emissions on meteorological parameters and air quality in Beijing usinga high-resolution model simulation

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-021-1478-3

Abstract:

The Large scale Urban Consumption of energ Y model was updated and

Keywords： Anthropogenic heat emissions     LUCY     High-resolution     Meteorological parameters     Air quality    

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Application of different CFD multiphase models to investigate effects of baffles and nanoparticles on heat

Ali SHAHMOHAMMADI,Arezou JAFARI

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 3,   Pages 320-329 doi: 10.1007/s11705-014-1437-7

Abstract: In this work, the effect of baffles in a pipe on heat transfer enhancement was studied using computationalFluid flow through the horizontal tube with uniform heat flux was simulated numerically and three dimensionalTo find an accurate model for CFD simulations, the results obtained by the single phase were comparedIt was found that multiphase models could better predict the heat transfer in nanofluids.The numerical results show that at Reynolds numbers in the range of 600 to 2100, the heat transfer of

Keywords： CFD simulation     heat transfer     nanofluid     baffle     single phase model     multiphase model    

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Predictor-corrector algorithm for solving quasi-separated-flow and transient distributed-parameter modelfor heat exchangers

Ping ZHANG, Guoliang DING

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 535-541 doi: 10.1007/s11708-010-0113-y

Abstract: stitution (SS) method is a suitable approach to solving the transient distributed-parameter model forheat exchangers.

Keywords： algorithm     convergence     heat exchanger     modeling     transient    

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A simplified model of direct-contact heat transfer in desalination system utilizing LNG cold energy

Qingqing SHEN, Wensheng LIN, Anzhong GU, Yonglin JU

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 122-128 doi: 10.1007/s11708-012-0175-0

Abstract: A simplified model of the direct-contact heat transfer in this desalination system is proposed and theoreticalThe number density distribution of two-phase bubbles, the heat transfer between the two immiscible fluidsinitial size of dispersed phase droplets, the initial temperature of continuous phase, and the volumetric heat

Keywords： liquefied natural gas (LNG)     cold energy utilization     desalination     direct-contact heat transfer    

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An isogeometric numerical study of partially and fully implicit schemes for transient adjoint shape sensitivity analysis

Zhen-Pei WANG, Zhifeng XIE, Leong Hien POH

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 279-293 doi: 10.1007/s11465-019-0575-5

Abstract: scheme is studied numerically for the adjoint shape sensitivity analysis of two benchmark transient heatconduction problems within the framework of isogeometric analysis.

Keywords： isogeometric shape optimization     design-dependent boundary condition     transient heat conduction     implicit    

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A building unit decomposition model for energy leakage by infrared thermography image analysis

Yan SU, Fangjun HONG, Lianjie SHU

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 901-921 doi: 10.1007/s11708-020-0679-y

Abstract: A quantitative energy leakage model was developed based on the thermography image data measured for bothThe transient heat flux for sample units were obtained based on measurements of the seasonal transientdifferences and calculations of the effective thermal conductivity from the multiple-layer porous medium conductionmodel.energy consumption was calculated based on the air conditioning system coefficient of performance of heat

Keywords： heat conductivity     heat coefficient     heat &fllig     ux     infrared thermography     thermal image    

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Performance analysis of an air-source heat pump using an immersed water condenser

Jie JI, Huide FU, Hanfeng HE, Gang PEI,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 234-245 doi: 10.1007/s11708-009-0056-3

Abstract: A distributed model of an air-source heat pump (ASHP) system and its experimental setup using an immersedComparisons between simulation results and experimental measurements demonstrated that the model wasexperimental background for ASHP system optimization and a valuable reference for a solar air-source heat

Keywords： air-source     heat pump     distributed model     immersed water condenser    

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Accounting for local features of fouling formation on PHE heat transfer surface

Petro Kapustenko, Jiří J. Klemeš, Olga Arsenyeva, Olexandr Matsegora, Oleksandr Vasilenko

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 619-629 doi: 10.1007/s11705-018-1736-5

Abstract: recuperation, especially in heat exchangers with enhanced heat transfer.The chemical reaction and transport model developed earlier for a description of fouling on intensifiedheat transfer surfaces is used for modeling of plate heat exchanger (PHE) subjected to fouling.The mathematical model consists of a system of differential and algebraic equations.The comparison with experimental data confirmed the model validity and the possibility of its application

Keywords： heat transfer     fouling     plate heat exchanger     mathematical model    

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Mathematical Model of Heat Treatment and Its Computer Simulation

Pan Jiansheng,Zhan Weimin,Tian Dong,Gu Jianfeng,Hu Mingjuan

Strategic Study of CAE 2003, Volume 5, Issue 5,   Pages 47-54

Abstract:

Computer simulation on heat treatment is the foundation of intelligent heat treatment.complicate quenching operation has been realized with the three dimensional non-linear finite element method modelimprove the load-carrying ability and reliability of the nitriding and carburizing workpieces, reduce heatperformed with the combination between the CAD of mechanical products, the CAE of materials selection and heat

Keywords： heat treatment     mathematical model     computer simulation     intellectualization    

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Title Author Date Type Operation

Principle and status of technique of smoothed particle hydrodynamics and heat conduction model

Wang Yuheng,Liu Feng,Song Fengmei

Journal Article

Numerical study of conduction and radiation heat losses from vacuum annulus in parabolic trough receivers

Dongqiang LEI, Yucong REN, Zhifeng WANG

Journal Article

Sensitivity analysis and numerical experiments on transient test of compact heat exchanger surfaces

REN Hesheng, LAI Lingjun, CUI Yongzheng

Journal Article

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

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

Journal Article

Optimization model analysis of centralized groundwater source heat pump system in heating season

Shilei LU,Yunfang QI,Zhe CAI,Yiran LI

Journal Article

A novel flow-resistor network model for characterizing enhanced geothermal system heat reservoir

Jian GUO, Wenjiong CAO, Yiwei WANG, Fangming JIANG

Journal Article

Impact of anthropogenic heat emissions on meteorological parameters and air quality in Beijing usinga high-resolution model simulation

Journal Article

Application of different CFD multiphase models to investigate effects of baffles and nanoparticles on heat

Ali SHAHMOHAMMADI,Arezou JAFARI

Journal Article

Predictor-corrector algorithm for solving quasi-separated-flow and transient distributed-parameter modelfor heat exchangers

Ping ZHANG, Guoliang DING

Journal Article

A simplified model of direct-contact heat transfer in desalination system utilizing LNG cold energy

Qingqing SHEN, Wensheng LIN, Anzhong GU, Yonglin JU

Journal Article

An isogeometric numerical study of partially and fully implicit schemes for transient adjoint shape sensitivity analysis

Zhen-Pei WANG, Zhifeng XIE, Leong Hien POH

Journal Article

A building unit decomposition model for energy leakage by infrared thermography image analysis

Yan SU, Fangjun HONG, Lianjie SHU

Journal Article

Performance analysis of an air-source heat pump using an immersed water condenser

Jie JI, Huide FU, Hanfeng HE, Gang PEI,

Journal Article

Accounting for local features of fouling formation on PHE heat transfer surface

Petro Kapustenko, Jiří J. Klemeš, Olga Arsenyeva, Olexandr Matsegora, Oleksandr Vasilenko

Journal Article

Mathematical Model of Heat Treatment and Its Computer Simulation

Pan Jiansheng,Zhan Weimin,Tian Dong,Gu Jianfeng,Hu Mingjuan

Journal Article