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Dynamic Performance of PV/T Solar-assisted Heat Pump System

Pei Gang,Ji Jie,He Wei,Sun Wei

Strategic Study of CAE 2006, Volume 8, Issue 9,   Pages 49-56

Abstract:

PV/T solar-assisted heat pump system (PV/T-SAHP) was presented in this paper and model of the PV/T-SAHPSimulation result showed that the electrical efficiency and the thermal performance of PV/T-SAHP is betterthan the traditional heat pump water heater system or the traditional photovoltaic system.tilt angel of PV/T module and the distance of refrigerant pipes are the three key factors of the PV/T-SAHP

Keywords： solar-assisted heat pump(SAHP)     photovoltaic/thermal system (PV/T)    

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A solar assisted heat pump drying system for grain in-store drying

Haifeng LI, Yanjun DAI, Jianguo DAI, Xibo WANG, Lei WEI,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 386-391 doi: 10.1007/s11708-010-0003-3

Abstract: For grain in-store drying, a solar assisted drying process has been developed, which consists of a setincluding a solar-assisted heat pump, a ventilation system, a grain stirrer, etc.A solar-assisted heat pump drying system has been designed and manufactured for a practical granary,The analysis result shows that the solar fraction of the unit is higher than 20%, the coefficient of

Keywords： solar energy     heat pump     airflow     in-store drying    

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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: Absorption heat pump attracts increasing attention due to its advantages in low grade thermal energyIn 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.pump are classified based on the refrigerant.In the third part, the applications of the absorption heat pump and absorption heat transformer for waste

Keywords： absorption     heat pump     heat transformer     waste heat     working pair    

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R&D of the ground-coupled heat pump technology in China

Nairen DIAO, Ping CUI, Junhong LIU, Zhaohong FANG,

Frontiers in Energy 2010, Volume 4, Issue 1,   Pages 47-54 doi: 10.1007/s11708-009-0080-3

Abstract: The ground-coupled heat pump (GCHP) systems have been identified as one of the best sustainable energyNew models are presented for efficient thermal analysis of ground heat exchangers, of which one- andsolid cylindrical source models and their analytical solutions are devised to deal with pile ground heat

Keywords： ground source heat pump     ground heat exchanger     HVAC     China    

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Evaluation of the performance of a centralized ground-water heat pump system in cold climate region

Shilei LU,Zhe CAI,Li ZHANG,Yiran LI

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 394-402 doi: 10.1007/s11708-014-0310-1

Abstract: The aim of this study is to evaluate the performance of a centralized open-loop ground-water heat pumpThe analysis of the testing data indicates that the average heat-pump coefficient of performance (COPThe low value and large fluctuation in the range of COP are found to be caused by the heat transfixion

Keywords： ground-water heat pump (GWHP)     actual coefficient of performance     heat transfixion    

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Numerical study of a hybrid absorption-compression high temperature heat pump for industrial waste heat

Zhiwei MA, Huashan BAO, Anthony Paul ROSKILLY

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 503-509 doi: 10.1007/s11708-017-0515-1

Abstract: The present paper aims at exploring a hybrid absorption-compression heat pump (HAC-HP) to upgrade andrecover the industrial waste heat in the temperature range of 60°C–120°C.The new HAC-HP system proposed has a condenser, an evaporator, and one more solution pump, compared toconventional HAC-HP system, to allow flexible utilization of energy sources of electricity and waste heatroutes; one is via the compression of compressor while the other is via the condenser, the solution pump

Keywords： absorption compression     high temperature heat pump     efficiency     industrial waste heat     thermodynamic analysis    

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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 immersedtheoretical and experimental background for ASHP system optimization and a valuable reference for a solarair-source heat pump water heater when the solar irradiation energy is insufficient on cloudy or rainy

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

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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 correctionthis paper has an important guiding significance to the actual operation of underground water source heatpump.

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

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High heat flux thermal management through liquid metal driven with electromagnetic induction pump

Frontiers in Energy 2022, Volume 16, Issue 3,   Pages 460-470 doi: 10.1007/s11708-022-0825-9

Abstract: In this paper, a novel liquid metal-based minichannel heat dissipation method was developed for coolingelectric devices with high heat flux.A high-performance electromagnetic induction pump driven by rotating permanent magnets is designed to> with keeping the temperature rise of the heat source below 50°C.power and high heat flux.

Keywords： high heat flux     liquid metal     electromagnetic pump     minichannel heat sink     thermal interface material    

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analysis and experimental validation of beach well infiltration intake system in a seawater source heatpump system

Huan ZHANG,Shu LIU,Xuejing ZHENG,Gaofeng CHEN

Frontiers in Energy 2015, Volume 9, Issue 3,   Pages 335-342 doi: 10.1007/s11708-015-0365-7

Abstract: and Darcy’s law, a model of beach well infiltration intake system applied in a seawater source heatpump system was established.The model consists of the seawater seepage and the heat transfer process.A porous medium model in a software named FLUENT was applied to simulate the seepage and the heat transfer

Keywords： water pumping analysis     experimental validation     infiltration intake system     seawater source heat pump    

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Exergy analysis of R1234ze(Z) as high temperature heat pump working fluid with multi-stage compression

Bin HU, Di WU, L.W. WANG, R.Z. WANG

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 493-502 doi: 10.1007/s11708-017-0510-6

Abstract: this paper, the simulation approach and exergy analysis of multi-stage compression high temperature heatpump (HTHP) systems with R1234ze(Z) working fluid are conducted.analyzed to compare the system performance with 120°C pressurized hot water supply based upon waste heatWhen the waste heat source temperature is 60°C, the exergy efficiencies increase about 6.9% and 11.8%

Keywords： multi-stage compression     high temperature heat pump     heat recovery     exergy destruction     R1234ze(Z) working    

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Optimisation for interconnected energy hub system with combined ground source heat pump and borehole

Da HUO, Wei WEI, Simon Le BLOND

Frontiers in Energy 2018, Volume 12, Issue 4,   Pages 529-539 doi: 10.1007/s11708-018-0580-0

Abstract: Ground source heat pumps (GSHP) give zero-carbon emission heating at a residential level.However, as the heat is discharged, the temperature of the ground drops, leading to a poorer efficiencycombined heating system is incorporated into the interconnected multi-carrier system to support the heat

Keywords： borehole thermal storage     energy hub     ground source heat pumps (GSHP)     particle swarm optimisation    

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Numerical simulation of the heat flux distribution in a solar cavity receiver

Yueshe WANG, Xunwei DONG, Jinjia WEI, Hui JIN

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 98-103 doi: 10.1007/s11708-010-0019-8

Abstract: In the solar tower power plant, the receiver is one of the main components of efficient concentratingsolar collector systems.In the design of the receiver, the heat flux distribution in the cavity should be considered first.In this study, a numerical simulation using the Monte Carlo Method has been conducted on the heat fluxBy tracing every solar ray, the distribution of heat flux density in the cavity receiver was obtained

Keywords： solar cavity receiver     Monte Carlo method     heat flux distribution    

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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: This paper presents an experimental analysis of a single pass solar air collector with, and without usingThe heat transfer coefficient between the absorber plate and air can be considerably increased by usingartificial roughness on the bottom plate and under the absorber plate of a solar air heater duct.experimental study has been conducted to investigate the effect of roughness and operating parameters on heatTo 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    

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Efficient use of waste heat and solar energy: Technologies of cooling, heating, power generation andheat transfer

Ya-Ling HE, Ruzhu WANG, Anthony Paul ROSKILLY, Peiwen LI

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 411-413 doi: 10.1007/s11708-017-0525-z

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Title Author Date Type Operation

Dynamic Performance of PV/T Solar-assisted Heat Pump System

Pei Gang,Ji Jie,He Wei,Sun Wei

Journal Article

A solar assisted heat pump drying system for grain in-store drying

Haifeng LI, Yanjun DAI, Jianguo DAI, Xibo WANG, Lei WEI,

Journal Article

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

Zhenyuan XU, Ruzhu WANG

Journal Article

R&D of the ground-coupled heat pump technology in China

Nairen DIAO, Ping CUI, Junhong LIU, Zhaohong FANG,

Journal Article

Evaluation of the performance of a centralized ground-water heat pump system in cold climate region

Shilei LU,Zhe CAI,Li ZHANG,Yiran LI

Journal Article

Numerical study of a hybrid absorption-compression high temperature heat pump for industrial waste heat

Zhiwei MA, Huashan BAO, Anthony Paul ROSKILLY

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

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

Shilei LU,Yunfang QI,Zhe CAI,Yiran LI

Journal Article

High heat flux thermal management through liquid metal driven with electromagnetic induction pump

Journal Article

analysis and experimental validation of beach well infiltration intake system in a seawater source heatpump system

Huan ZHANG,Shu LIU,Xuejing ZHENG,Gaofeng CHEN

Journal Article

Exergy analysis of R1234ze(Z) as high temperature heat pump working fluid with multi-stage compression

Bin HU, Di WU, L.W. WANG, R.Z. WANG

Journal Article

Optimisation for interconnected energy hub system with combined ground source heat pump and borehole

Da HUO, Wei WEI, Simon Le BLOND

Journal Article

Numerical simulation of the heat flux distribution in a solar cavity receiver

Yueshe WANG, Xunwei DONG, Jinjia WEI, Hui JIN

Journal Article

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

Foued CHABANE,Nesrine HATRAF,Noureddine MOUMMI

Journal Article

Efficient use of waste heat and solar energy: Technologies of cooling, heating, power generation andheat transfer

Ya-Ling HE, Ruzhu WANG, Anthony Paul ROSKILLY, Peiwen LI

Journal Article