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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.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 waste

Keywords: absorption     heat pump     heat transformer     waste heat     working pair    

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    

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    

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    

Performance evaluation of an improved biomass-fired cogeneration system simultaneously using extraction steam, cooling water, and feedwater for heating

Frontiers in Energy 2022, Volume 16, Issue 2,   Pages 321-335 doi: 10.1007/s11708-021-0741-4

Abstract: In place of the traditional single heat source (extraction steam), the extraction steam from the turbinelow-pressure feedwater from the feedwater preheating system were collectively used for producing district heat

Keywords: biomass-fired cogeneration     district heat production system     absorption heat pump     extraction steam    

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 immersedexperimental background for ASHP system optimization and a valuable reference for a solar air-source heatpump water heater when the solar irradiation energy is insufficient on cloudy or rainy days.

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

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    

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: solar assisted drying process has been developed, which consists of a set including a solar-assisted heatpump, a ventilation system, a grain stirrer, etc.A solar-assisted heat pump drying system has been designed and manufactured for a practical granary,

Keywords: solar energy     heat pump     airflow     in-store drying    

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    

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    

A district heating system based on absorption heat exchange with CHP systems

Lin FU, Yan LI, Yi JIANG, Shigang ZHANG,

Frontiers in Energy 2010, Volume 4, Issue 1,   Pages 77-83 doi: 10.1007/s11708-010-0022-0

Abstract: district heating systems with cogeneration, a district heating system is presented in this paper based on absorptionis based on absorption heat exchange.to about 25°C through the absorption heat-exchange units.of the cogeneration plant, return water is heated orderly by the exhaust steam in the condenser, the absorptionheat pumps, and the peak load heater.

Keywords: cogeneration     district heating     absorption heat exchange     Co-ah cycle    

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    

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    

Exergy analysis and performance enhancement of isopropanol-acetone-hydrogen chemical heat pump

Min XU, Jun CAI, Xiulan HUAI

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 510-515 doi: 10.1007/s11708-017-0508-0

Abstract: conducted to identify the irreversibility in each component of the isopropanol-acetone-hydrogen chemical heatpump (IAH-CHP).

Keywords: waste heat reuse     chemical heat pump     exergy analysis     isopropanol    

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-SAHPthat the electrical efficiency and the thermal performance of PV/T-SAHP is better than the traditional heatpump water heater system or the traditional photovoltaic system.

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

Title Author Date Type Operation

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

Zhenyuan XU, Ruzhu WANG

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

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

Performance evaluation of an improved biomass-fired cogeneration system simultaneously using extraction steam, cooling water, and feedwater for heating

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

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

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

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

A district heating system based on absorption heat exchange with CHP systems

Lin FU, Yan LI, Yi JIANG, Shigang ZHANG,

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

Exergy analysis and performance enhancement of isopropanol-acetone-hydrogen chemical heat pump

Min XU, Jun CAI, Xiulan HUAI

Journal Article

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

Pei Gang,Ji Jie,He Wei,Sun Wei

Journal Article