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Author:

Liu, Zhongbao (Liu, Zhongbao.) (Scholars:刘忠宝) | Li, Shijie (Li, Shijie.) | Zhao, Banghua (Zhao, Banghua.) | Qi, Xin (Qi, Xin.) | Sun, Han (Sun, Han.)

Indexed by:

EI Scopus SCIE

Abstract:

In order to study the performance of metal organic framework materials (MOFs) in adsorption refrigeration systems, the current research method is to test the equilibrium adsorption characteristics of the materials, estimate the adsorption refrigeration conditions of the materials, and then prepare a large amount of them and fill them into the adsorption bed for testing. However, the above methods affect the authenticity evaluation of materials due to the adsorption refrigeration experimental device. In addition, the preparation time of MOFs materials is generally long, and the time cost of verifying materials is high. Therefore, the purpose of this paper is to shorten the prediction time of material performance of adsorption refrigeration system. The large temperature jump method is used to carry out the dynamic adsorption and desorption experiments of three kinds of adsorbents at variable temperature and constant pressure. The dynamic adsorption and desorption model is established and combined with the experimental results to calibrate and verify the combination of heat and mass transfer coefficients of adsorbents. Finally, the performance coefficient of the adsorbent under different conditions is predicted, and the suitable refrigeration operating range is determined. The results show that the addition of calcium chloride increases the range of suitable cooling conditions for MIL-101(Cr). When the desorption temperature is 90 degrees C, the minimum evaporation temperatures of MIL-101 (Cr) and MIL-101 (Cr)/CaCl2-20% are 12 degrees C and 5 degrees C, and the maximum adsorption temperatures are 31 degrees C and 38 degrees C, respectively.

Keyword:

Metal-organic frameworks Adsorption model Adsorption kinetics Modelica Performance prediction

Author Community:

  • [ 1 ] [Liu, Zhongbao]Beijing Univ Technol, Dept Environm & Life, 100 Pingleyuan Rd, Beijing 100124, Peoples R China
  • [ 2 ] [Li, Shijie]Beijing Univ Technol, Dept Environm & Life, 100 Pingleyuan Rd, Beijing 100124, Peoples R China
  • [ 3 ] [Zhao, Banghua]Beijing Univ Technol, Dept Environm & Life, 100 Pingleyuan Rd, Beijing 100124, Peoples R China
  • [ 4 ] [Sun, Han]Beijing Univ Technol, Dept Environm & Life, 100 Pingleyuan Rd, Beijing 100124, Peoples R China
  • [ 5 ] [Qi, Xin]China Household Elect Appliance Res Inst, 6 Yuetan Beixiao St, Beijing 100037, Peoples R China

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Source :

INTERNATIONAL JOURNAL OF REFRIGERATION

ISSN: 0140-7007

Year: 2021

Volume: 131

Page: 909-919

3 . 9 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:87

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 2

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

Affiliated Colleges:

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