Experimental investigation of energy and exergy performance of short term adsorption heat storage for residential application

Gang Li; Suxin Qian; Hoseong Lee; Yunho Hwang; Reinhard Radermacher

doi:10.1016/j.energy.2013.12.017

Experimental investigation of energy and exergy performance of short term adsorption heat storage for residential application

Gang Li, Suxin Qian, Hoseong Lee, Yunho Hwang, Reinhard Radermacher

Research output: Contribution to journal › Article › peer-review

115 Citations (Scopus)

Abstract

Energy and exergy performance of adsorption storage system was studied experimentally for residential application. A fin-coated heat exchanger was adopted for a sorption bed to quicken the charging process. When the regeneration temperature was 70°C, ambient temperature was 30°C, HTF (heat transfer fluid) inlet temperature for the adsorption bed was 30°C, results showed that the heat ESD (energy storage density) was approximately 805kJ/kg with the energy efficiency approximately 96%. The exergy efficiency was 26.7% and the loading difference was 0.164. In this study the mass flow rate of the adsorption bed affected more on the storage performance than that of the desorption bed. As the mass flow rate was increased, the ESD increased while the exergy efficiency decreased due to the larger exergy destruction caused by pressure drop. Increasing regeneration temperature and decreasing adsorption temperature could make the ESD and energy efficiency increased, but the exergy efficiency decreased. As ambient temperature was increased, total ESD and energy efficiency increased, and overall exergy efficiency decreased. A larger loading difference could be achieved with increasing the adsorption bed HTF mass flow rate, regeneration temperature, and inlet temperature of HTF for the evaporator, or decreasing inlet temperature of HTF for the adsorption bed.

Original language	English
Pages (from-to)	675-691
Number of pages	17
Journal	Energy
Volume	65
DOIs	https://doi.org/10.1016/j.energy.2013.12.017
Publication status	Published - 2014 Feb 1
Externally published	Yes

Bibliographical note

Funding Information:
The authors gratefully acknowledge the support of this effort from the sponsors of the Oak Ridge National Laboratory from the U.S Department of Energy, and Alternative Cooling Technologies and Applications Consortium at the Center for Environmental Energy Engineering (CEEE) at the University of Maryland, College Park.

Keywords

Adsorption heat storage
Energy storage density
Exergy destruction
Exergy performance
Fin-coated heat exchanger
Thermal energy storage

ASJC Scopus subject areas

Civil and Structural Engineering
Building and Construction
Pollution
Mechanical Engineering
Industrial and Manufacturing Engineering
Electrical and Electronic Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.energy.2013.12.017

Cite this

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title = "Experimental investigation of energy and exergy performance of short term adsorption heat storage for residential application",

abstract = "Energy and exergy performance of adsorption storage system was studied experimentally for residential application. A fin-coated heat exchanger was adopted for a sorption bed to quicken the charging process. When the regeneration temperature was 70°C, ambient temperature was 30°C, HTF (heat transfer fluid) inlet temperature for the adsorption bed was 30°C, results showed that the heat ESD (energy storage density) was approximately 805kJ/kg with the energy efficiency approximately 96%. The exergy efficiency was 26.7% and the loading difference was 0.164. In this study the mass flow rate of the adsorption bed affected more on the storage performance than that of the desorption bed. As the mass flow rate was increased, the ESD increased while the exergy efficiency decreased due to the larger exergy destruction caused by pressure drop. Increasing regeneration temperature and decreasing adsorption temperature could make the ESD and energy efficiency increased, but the exergy efficiency decreased. As ambient temperature was increased, total ESD and energy efficiency increased, and overall exergy efficiency decreased. A larger loading difference could be achieved with increasing the adsorption bed HTF mass flow rate, regeneration temperature, and inlet temperature of HTF for the evaporator, or decreasing inlet temperature of HTF for the adsorption bed.",

keywords = "Adsorption heat storage, Energy storage density, Exergy destruction, Exergy performance, Fin-coated heat exchanger, Thermal energy storage",

author = "Gang Li and Suxin Qian and Hoseong Lee and Yunho Hwang and Reinhard Radermacher",

note = "Funding Information: The authors gratefully acknowledge the support of this effort from the sponsors of the Oak Ridge National Laboratory from the U.S Department of Energy, and Alternative Cooling Technologies and Applications Consortium at the Center for Environmental Energy Engineering (CEEE) at the University of Maryland, College Park. ",

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doi = "10.1016/j.energy.2013.12.017",

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AU - Li, Gang

AU - Qian, Suxin

AU - Lee, Hoseong

AU - Hwang, Yunho

AU - Radermacher, Reinhard

N1 - Funding Information: The authors gratefully acknowledge the support of this effort from the sponsors of the Oak Ridge National Laboratory from the U.S Department of Energy, and Alternative Cooling Technologies and Applications Consortium at the Center for Environmental Energy Engineering (CEEE) at the University of Maryland, College Park.

PY - 2014/2/1

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N2 - Energy and exergy performance of adsorption storage system was studied experimentally for residential application. A fin-coated heat exchanger was adopted for a sorption bed to quicken the charging process. When the regeneration temperature was 70°C, ambient temperature was 30°C, HTF (heat transfer fluid) inlet temperature for the adsorption bed was 30°C, results showed that the heat ESD (energy storage density) was approximately 805kJ/kg with the energy efficiency approximately 96%. The exergy efficiency was 26.7% and the loading difference was 0.164. In this study the mass flow rate of the adsorption bed affected more on the storage performance than that of the desorption bed. As the mass flow rate was increased, the ESD increased while the exergy efficiency decreased due to the larger exergy destruction caused by pressure drop. Increasing regeneration temperature and decreasing adsorption temperature could make the ESD and energy efficiency increased, but the exergy efficiency decreased. As ambient temperature was increased, total ESD and energy efficiency increased, and overall exergy efficiency decreased. A larger loading difference could be achieved with increasing the adsorption bed HTF mass flow rate, regeneration temperature, and inlet temperature of HTF for the evaporator, or decreasing inlet temperature of HTF for the adsorption bed.

AB - Energy and exergy performance of adsorption storage system was studied experimentally for residential application. A fin-coated heat exchanger was adopted for a sorption bed to quicken the charging process. When the regeneration temperature was 70°C, ambient temperature was 30°C, HTF (heat transfer fluid) inlet temperature for the adsorption bed was 30°C, results showed that the heat ESD (energy storage density) was approximately 805kJ/kg with the energy efficiency approximately 96%. The exergy efficiency was 26.7% and the loading difference was 0.164. In this study the mass flow rate of the adsorption bed affected more on the storage performance than that of the desorption bed. As the mass flow rate was increased, the ESD increased while the exergy efficiency decreased due to the larger exergy destruction caused by pressure drop. Increasing regeneration temperature and decreasing adsorption temperature could make the ESD and energy efficiency increased, but the exergy efficiency decreased. As ambient temperature was increased, total ESD and energy efficiency increased, and overall exergy efficiency decreased. A larger loading difference could be achieved with increasing the adsorption bed HTF mass flow rate, regeneration temperature, and inlet temperature of HTF for the evaporator, or decreasing inlet temperature of HTF for the adsorption bed.

KW - Adsorption heat storage

KW - Energy storage density

KW - Exergy destruction

KW - Exergy performance

KW - Fin-coated heat exchanger

KW - Thermal energy storage

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Experimental investigation of energy and exergy performance of short term adsorption heat storage for residential application

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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