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

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: In structural design optimization involving transient responses, time integration scheme plays a crucialrole in sensitivity analysis because it affects the accuracy and stability of transient analysis.integration scheme is studied numerically for the adjoint shape sensitivity analysis of two benchmark transientheat conduction problems within the framework of isogeometric analysis.explicit approach ( = 0) and semi-implicit approach with <0.5 impose a strict stability condition of the transient

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

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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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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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Transient Heat Transfer Problems for Buried Hot Waxy Crude Pipelines

Cui Xiuguo,Zhang Jinjun

Strategic Study of CAE 2003, Volume 5, Issue 7,   Pages 77-83

Abstract: Some complex transient heat transfer problems are accompanied with hot oil pipelines.The state-of-the-art and recent advances in transient heat transfer research for buried hot waxy crudeand the external heat transfer from the pipe to the surrounding soil.The thermal and hydraulic interaction problem accompanied with transient flow in hot oil pipelines andProblems needed to be further studied in transient heat transfer for buried hot waxy crude pipelines

Keywords： paraffin-base crude     pipeline transportation     transient heat transfer    

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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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Transient analysis of thermoelastic contact problem of disk brakes

Ali BELHOCINE, Mostefa BOUCHETARA

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 150-159 doi: 10.1007/s11465-013-0266-6

Abstract: The modeling of transient temperature in the disk is actually used to identify the factor of geometric

Keywords： brake disks     heat flux     heat-transfer coefficient     Von Mises stress     contact pressure    

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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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Thermal fluid-structure interaction and coupled thermal-stress analysis in a cable stayed bridge exposed to fire

Nazim Abdul NARIMAN

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 609-628 doi: 10.1007/s11709-018-0452-z

Abstract: structure-interaction (TFSI) and coupled thermal-stress analysis are utilized to identify the effects of transientand steady-state heat-transfer on the vortex induced vibration and fatigue of a segmental bridge deck

Keywords： fire scenario     transient heat transfer     TFSI model     coupled thermal-stress     XFEM    

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Transient performance comparison of grid-forming converters with different FRT control strategies

Frontiers in Energy 2023, Volume 17, Issue 2,   Pages 239-250 doi: 10.1007/s11708-022-0856-2

Abstract: Grid-forming converters (GFMs) are faced with the threat of transient inrush current and synchronizationTo determine their application scope, an intuitive comparison of the transient performance of differentcontrol strategies (virtual impedance, current limiters, and mode-switching control) are introduced and transientA detailed comparison analysis on transient inrush current and transient synchronization stability is

Keywords： grid-forming converters (GFMs)     fault ride through (FRT)     transient stability     transient inrush current     transient modeling    

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Topology optimization of transient problem with maximum dynamic response constraint using SOAR scheme

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 593-606 doi: 10.1007/s11465-021-0636-4

Abstract: This paper proposes a novel method for the continuum topology optimization of transient vibration problemTo reduce computational cost, the second-order Arnoldi reduction (SOAR) scheme is employed in transientcorresponding static response from the final designs, the optimized results clearly demonstrate that the transient

Keywords： topology optimization     solid isotropic material with penalization     transient response     aggregation function    

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Development of new transient liquid phase system Au-Sn-Au for microsystem technology

Kirsten BOBZIN, Nazlim BAGCIVAN, Lidong ZHAO, Stefania FERRARA, Jan PERNE

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 370-375 doi: 10.1007/s11465-010-0107-9

Abstract: In this study, a new transient liquid phase (TLP) system Au-Sn-Au was developed for potential medical

Keywords： transient liquid phase     microtechnology     soldering     diffusion     physical vapor deposition (PVD)    

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Ion conduction path in composite solid electrolytes for lithium metal batteries: from polymer rich to

Zhouyu ZHANG, Hao CHEN, Zhenglin HU, Shoubin ZHOU, Lan ZHANG, Jiayan LUO

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 706-733 doi: 10.1007/s11708-022-0833-9

Abstract: of recent advances and limitations of both PR and CR electrolytes, with a special focus on the ion conduction

Keywords： composite solid electrolytes     active filler/framework     ion conduction path     interphase compatibility    

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An invariant descriptor for conjugate forced convection-conduction cooling of 3D protruding heaters in

Thiago ANTONINI ALVES,Paulo H. D. SANTOS,Murilo A. BARBUR

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 3,   Pages 263-276 doi: 10.1007/s11465-015-0345-y

Abstract: study as the conjugate influence coefficients (g+) caused by the forced convection-conductionThe conjugate coefficients are invariant with the heat generation rate in the array of heaters when assuming

Keywords： channel flow     conjugate forced convection-conduction cooling     conjugate influence coefficients     discrete    

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State identification of home appliance with transient features in residential buildings

Frontiers in Energy 2022, Volume 16, Issue 1,   Pages 130-143 doi: 10.1007/s11708-022-0822-z

Abstract: This study proposes an online method based on the transient behavior of individual appliances as wellThe use of transient features can achieve fast state inference and it is suitable for online load disaggregation

Keywords： nonintrusive load monitoring (NILM)     load disaggregation     online load disaggregation     Kalman filtering     factorial hidden Markov model (FHMM)     Labeled hIgh-Frequency daTaset for Electricity Disaggregation (LIFTED)    

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Title Author Date Type Operation

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

REN Hesheng, LAI Lingjun, CUI Yongzheng

Journal Article

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

Zhen-Pei WANG, Zhifeng XIE, Leong Hien POH

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

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

Ping ZHANG, Guoliang DING

Journal Article

Transient Heat Transfer Problems for Buried Hot Waxy Crude Pipelines

Cui Xiuguo,Zhang Jinjun

Journal Article

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

Wang Yuheng,Liu Feng,Song Fengmei

Journal Article

Transient analysis of thermoelastic contact problem of disk brakes

Ali BELHOCINE, Mostefa BOUCHETARA

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

Thermal fluid-structure interaction and coupled thermal-stress analysis in a cable stayed bridge exposed to fire

Nazim Abdul NARIMAN

Journal Article

Transient performance comparison of grid-forming converters with different FRT control strategies

Journal Article

Topology optimization of transient problem with maximum dynamic response constraint using SOAR scheme

Journal Article

Development of new transient liquid phase system Au-Sn-Au for microsystem technology

Kirsten BOBZIN, Nazlim BAGCIVAN, Lidong ZHAO, Stefania FERRARA, Jan PERNE

Journal Article

Ion conduction path in composite solid electrolytes for lithium metal batteries: from polymer rich to

Zhouyu ZHANG, Hao CHEN, Zhenglin HU, Shoubin ZHOU, Lan ZHANG, Jiayan LUO

Journal Article

An invariant descriptor for conjugate forced convection-conduction cooling of 3D protruding heaters in

Thiago ANTONINI ALVES,Paulo H. D. SANTOS,Murilo A. BARBUR

Journal Article

State identification of home appliance with transient features in residential buildings

Journal Article