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Author:

Bi, Yuehong (Bi, Yuehong.) (Scholars:毕月虹) | Zang, Gaoli (Zang, Gaoli.) | Qin, Lifeng (Qin, Lifeng.) | Li, Hongyan (Li, Hongyan.) | Wang, Hongyan (Wang, Hongyan.)

Indexed by:

EI Scopus SCIE

Abstract:

A new combination system of "three-phase energy storage" and solar absorption refrigeration has been developed in this paper. The operation process of LiBr-H2O three-phase energy storage system is described in detail. Thermodynamic analysis models of charging/discharging processes based on the absorption principle are established in order to understand the dynamic characteristics of three-phase energy storage and release processes. The dynamic simulations of charging/discharging processes are carried out by using MATLAB. The influences of operation parameters on the characteristic parameters of three-phase charging/discharging are analyzed, and the performance evaluation indexes of three-phase energy storage system are obtained. The simulation results showed that the lower initial concentration of LiBr-H2O solution, the smaller mass flow rate of LiBr-H2O sprayed on the heat exchanger in the energy storage tank and the higher heat conductance of the heat exchanger (KA) result in the higher energy storage efficiency and energy storage density. The smaller mass flow rates of LiBr-H2O and the cooling water can make the more stable discharging process with longer cooling time. The research results can provide theoretical guidance for further improving and optimizing the operation performance of three-phase energy storage system coupling in solar air conditioning. (C) 2019 Elsevier B.V. All rights reserved.

Keyword:

Thermodynamic analysis Solar air conditioning Three-phase energy storage Charging/discharging processes Lithium bromide-water (LiBr-H2O) Energy storage density

Author Community:

  • [ 1 ] [Bi, Yuehong]Beijing Univ Technol, Inst Civil & Architectural Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Zang, Gaoli]Beijing Univ Technol, Inst Civil & Architectural Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Qin, Lifeng]Beijing Univ Technol, Inst Civil & Architectural Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Li, Hongyan]Beijing Univ Technol, Inst Civil & Architectural Engn, Beijing 100124, Peoples R China
  • [ 5 ] [Wang, Hongyan]Beijing Univ Technol, Inst Civil & Architectural Engn, Beijing 100124, Peoples R China
  • [ 6 ] [Bi, Yuehong]Beijing Key Lab Green Built Environm & Energy Eff, Beijing 100124, Peoples R China
  • [ 7 ] [Zang, Gaoli]Beijing Key Lab Green Built Environm & Energy Eff, Beijing 100124, Peoples R China
  • [ 8 ] [Qin, Lifeng]Beijing Key Lab Green Built Environm & Energy Eff, Beijing 100124, Peoples R China
  • [ 9 ] [Li, Hongyan]Beijing Key Lab Green Built Environm & Energy Eff, Beijing 100124, Peoples R China
  • [ 10 ] [Wang, Hongyan]Beijing Key Lab Green Built Environm & Energy Eff, Beijing 100124, Peoples R China

Reprint Author's Address:

  • 毕月虹

    [Bi, Yuehong]Beijing Univ Technol, Inst Civil & Architectural Engn, Beijing 100124, Peoples R China

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Source :

ENERGY AND BUILDINGS

ISSN: 0378-7788

Year: 2019

Volume: 204

6 . 7 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:136

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 24

SCOPUS Cited Count: 28

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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