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Optimizing environmental insulation thickness of buildings with CHP-based district heating system based

Yumei ZHANG, Pengfei JIE, Chunhua LIU, Jing LI

Frontiers in Energy 2022, Volume 16, Issue 4,   Pages 613-628 doi: 10.1007/s11708-020-0700-5

Abstract: The increase of insulation thickness (IT) results in the decrease of the heat demand and heat mediumA mathematical model on the optimum environmental insulation thickness (OEIT) for minimizing the annualBesides, a case study was conducted based on a residential community with a combined heat and power (Moreover, the effect of IT on heat demand, heat medium temperature, exhaust heat, extracted heat, coaldioxide (CO ) emissions and sulfur dioxide (SO ) emissions as well as the effect of three types of insulation

Keywords： optimum environmental insulation thickness     heat medium temperature     energy grade     extracted heat     exhaustheat    

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Preparation, with graphene, of novel biomimetic self-healing microcapsules with high thermal stability and conductivity

Frontiers of Structural and Civil Engineering   Pages 1188-1198 doi: 10.1007/s11709-023-0027-5

Abstract: microcapsules with enhanced thermal stability and electrical conductivity inspired by the bionic thermal insulationThe proportion of graphene in the microcapsule shell can regulate the microcapsule’s heat resistance

Keywords： graphene     microcapsule     bitumen     heat insulation     conductivity    

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Influence of envelope insulation materials on building energy consumption

Junlan YANG, Jiabao TANG

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 575-581 doi: 10.1007/s11708-017-0473-7

Abstract: vacuum insulation panel are chosen for the case studies.with the insulation thickness, whereas the energy use for space heating decreases with the insulationHowever, the optimum insulation thicknesses for the three insulation materials show a verse order ata certain heat transfer coefficient of the base envelope.The EPTS is 10, 19 and 21 years, respectively when the heat transfer coefficient of the base envelope

Keywords： building envelope     insulation materials     energy consumption     payback time    

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A concept of capillary active, dynamic insulation integrated with heating, cooling and ventilation, air

Mark BOMBERG

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 4,   Pages 431-437 doi: 10.1007/s11709-010-0071-9

Abstract: seismic considerations favor use of a concrete wall system and fire considerations limit exterior thermal insulation, one needs to use interior thermal insulation systems.Interior thermal insulation systems are less effective than the exterior systems and will not reduceIt is focused on the most successful applications of capillary active, dynamic interior thermal insulationThis happens when such insulation is integrated with heating, cooling and ventilation, air conditioning

Keywords： capillary active insulation     integrated heating     cooling and ventilation     air conditioning (HVAC) and buildingenclosure     dynamic insulation     switchable thermal resistance     variable U-value walls    

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the construction of silk fibroin–SiO composite aerogel with enhanced mechanical property and thermal insulation

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 288-297 doi: 10.1007/s11705-022-2222-7

Abstract: is an enormous challenge due to the difficulties in improving both mechanical property and thermal insulationIn this work, silk fibroin was used as scaffold to improve the mechanical property and thermal insulationThe thermal insulation performance of the composite aerogels was improved compared with pure silica aerogelpreparing silk fibroin–SiO2 composite aerogels with enhanced mechanical property and thermal insulationperformance, which has potential application as thermal insulation material.

Keywords： silica aerogel     silk fibroin     impregnation     thermal insulation     mechanical property    

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Performance improvement of a pulse tube cryocooler with a single compressor through cascade utilization of cold energy

Xuming LIU, Xiafan XU, Biao YANG, Xiaotong XI, Liubiao CHEN, Junjie WANG, Yuan ZHOU

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 345-357 doi: 10.1007/s11708-020-0708-x

Abstract: cooling capacity, hundreds or even thousands of watts of electrical power are consumed, where radiation heatIn this paper, based on SAGE10, a HPTC heat radiation calculation model was first established to studythe effects of radiation heat leakage on apparent performance parameters (such as temperature and coolingAn active thermal insulation method of cascade utilization of the cold energy of the system was proposedsubstituting the proposed active method for the traditional passive method with multi-layer thermal insulation

Keywords： radiation heat leakage     active thermal insulation     cascade utilization     cold energy     performance improvement    

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Key Technologies and Prospects of All-Climate New Energy Vehicles

Wang Wenwei , Sun Fengchun

Strategic Study of CAE 2019, Volume 21, Issue 3,   Pages 47-55 doi: 10.15302/J-SSCAE-2019.03.020

Abstract: Currently, mature heat insulation and protective technologies have been developed to cope with high-temperatureIn this paper, the power battery self-heating, integrated heat pump air-conditioning, and new whole-vehiclethermal insulation technologies are investigated.

Keywords： all-climate new energy vehicle     battery self-heating     heat pump air-conditioning     thermal insulation    

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The development of ultralightweight expanded perlite-based thermal insulation panel using alkali activator

Damla Nur ÇELİK; Gökhan DURMUŞ

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 11,   Pages 1486-1499 doi: 10.1007/s11709-022-0881-6

Abstract: Turkey has 70% of the world’s perlite reserves, and in order to reduce energy consumption a thermal insulationIn conclusion, the study predicts that the EP-based thermal insulation panel can be used as an insulationmaterial in the construction industry according to the TS825 Thermal Insulation Standard.

Keywords： expanded perlite     alkali activator     thermal insulation panel     thermal conductivity    

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Determining the optimum economic insulation thickness of double pipes buried in the soil for district

Fating LI, Pengfei JIE, Zhou FANG, Zhimei WEN

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 170-185 doi: 10.1007/s11708-020-0680-5

Abstract: The insulation thickness (IT) of double pipes buried in the soil (DPBIS) for district heating (DH) systemsAn optimization model to obtain the optimum insulation thickness (OIT) and minimum annual total costThree types of heat sources, four operating strategies, three kinds of insulation materials, three buriedanalysis was conducted to investigate the impact of some economic parameters, i.e., unit heating cost, insulationmaterial price, interest rate, and insulation material lifetime, on optimization results.

Keywords： double pipes     optimization model     optimum insulation thickness     minimum annual total cost    

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Absorption heat pump for waste heat reuse: current states and future development

Zhenyuan XU, Ruzhu WANG

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 414-436 doi: 10.1007/s11708-017-0507-1

Abstract: In this paper, three important aspects for absorption heat pump for waste heat reuse are reviewed.In the first part, different absorption heat pump cycles are classified and introduced.Absorption heat pumps for heat amplification and absorption heat transformer for temperature upgradingIn the third part, the applications of the absorption heat pump and absorption heat transformer for wasteheat reuse in different industries are introduced.

Keywords： absorption     heat pump     heat transformer     waste heat     working pair    

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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    

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Heat-spreading analysis of a heat sink base embedded with a heat pipe

B. V. BORGMEYER, H. B. MA,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 143-148 doi: 10.1007/s11708-010-0013-1

Abstract: A simplified model predicting the heat transfer performance of a heat sink base with a high thermal conductivityas the base embedded with a typical heat pipe, the entire heat sink can be modeled as a flat plate witha uniform temperature and an effective convection heat transfer coefficient.This simplified model can be used to determine the heat transfer performance of a heat sink embeddedwith a typical heat pipe or vapor chamber.

Keywords： heat pipe     heat sink     microprocessor heat removal    

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Application of entransy dissipation theory in heat convection

Mingtian XU, Jiangfeng GUO, Lin CHENG,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 402-405 doi: 10.1007/s11708-009-0055-4

Abstract: work, formulas for calculating the rates of the local thermodynamic entransy dissipation in convective heat

Keywords： entransy dissipation     heat convection     heat exchanger    

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Experimental investigation of liquid metal alloy based mini-channel heat exchanger for high power electronic

Manli LUO, Jing LIU

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 479-486 doi: 10.1007/s11708-013-0277-3

Abstract: for developing efficient techniques for cooling integrated electronic devices with ever increasing heatTo better tackle the high-density heat dissipation difficulty within the limited space, this paper isdedicated to clarify the heat transfer behaviors of the liquid metal flowing in mini-channel exchangersThe simulated heat sources were all cooled down by these three heat dissipation apparatuses and the exchangerconditions due to its much larger heat transfer area.

Keywords： heat exchanger     liquid metal     mini-channel     heat dissipation     heat transfer coefficient    

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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    

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Title Author Date Type Operation

Optimizing environmental insulation thickness of buildings with CHP-based district heating system based

Yumei ZHANG, Pengfei JIE, Chunhua LIU, Jing LI

Journal Article

Preparation, with graphene, of novel biomimetic self-healing microcapsules with high thermal stability and conductivity

Journal Article

Influence of envelope insulation materials on building energy consumption

Junlan YANG, Jiabao TANG

Journal Article

A concept of capillary active, dynamic insulation integrated with heating, cooling and ventilation, air

Mark BOMBERG

Journal Article

the construction of silk fibroin–SiO composite aerogel with enhanced mechanical property and thermal insulation

Journal Article

Performance improvement of a pulse tube cryocooler with a single compressor through cascade utilization of cold energy

Xuming LIU, Xiafan XU, Biao YANG, Xiaotong XI, Liubiao CHEN, Junjie WANG, Yuan ZHOU

Journal Article

Key Technologies and Prospects of All-Climate New Energy Vehicles

Wang Wenwei , Sun Fengchun

Journal Article

The development of ultralightweight expanded perlite-based thermal insulation panel using alkali activator

Damla Nur ÇELİK; Gökhan DURMUŞ

Journal Article

Determining the optimum economic insulation thickness of double pipes buried in the soil for district

Fating LI, Pengfei JIE, Zhou FANG, Zhimei WEN

Journal Article

Absorption heat pump for waste heat reuse: current states and future development

Zhenyuan XU, Ruzhu WANG

Journal Article

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

Krishnendu Bhattacharyya

Journal Article

Heat-spreading analysis of a heat sink base embedded with a heat pipe

B. V. BORGMEYER, H. B. MA,

Journal Article

Application of entransy dissipation theory in heat convection

Mingtian XU, Jiangfeng GUO, Lin CHENG,

Journal Article

Experimental investigation of liquid metal alloy based mini-channel heat exchanger for high power electronic

Manli LUO, Jing LIU

Journal Article

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

OUYANG Li, LIU Wei

Journal Article