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Author:

Han, Jia-Wei (Han, Jia-Wei.) | Qian, Jian-Ping (Qian, Jian-Ping.) | Zhao, Chun-Jiang (Zhao, Chun-Jiang.) (Scholars:赵春江) | Yang, Xin-Ting (Yang, Xin-Ting.) | Fan, Bei-Lei (Fan, Bei-Lei.)

Indexed by:

EI Scopus SCIE

Abstract:

The current packaging designs and the efficiency of forced-air cooling (FAC) of fresh produce can be considerably improved by comprehensively comparing and evaluating the existing packaging designs. This study presents a market survey that studies samples of typical apple cartons used in China. Furthermore, by combining experiment and computational fluid dynamics (CFD) modelling, a novel integral approach is proposed to evaluate cooling rate and uniformity, energy efficiency, and fruit quality (including safety) as a result of FAC for different ventilated-packaging designs. The process uses CFD to simulate the three-dimensional spatio-temporal distributions of airflow and product temperatures during precooling. In addition, experiments on chilling injury and mass loss are also reported. The results show that the optimum fresh-fruit packaging design depends on the product size and the location of the product and tray inside the packaging. For all existing package designs, the optimal air-inflow velocity is found to lie in the range 0.4-1 m/s (or 3-5 L s(-1) kg(-1)), any further increase in airflow rate simply wastes energy because it leads to a relatively low increase in cooling rate and uniformity. The level of chilling injury and mass loss per box show a different trend with increasing air-inflow velocity. The accuracy of the CFD simulations was confirmed by a good agreement with experiments. The maximum root mean-square error and mean absolute percentage error for produce temperature are 0.727 degrees C and 18.69%, respectively. This research unveils the advantages and disadvantages of the various existing packaging designs and provides a reliable theoretical and experimental basis for achieving an integral evaluation of the performance of FAC. (C) 2017 Published by Elsevier Ltd.

Keyword:

Carton design Computational fluid dynamics (CFD) heat transfer Forced-air cooling Fruit quality Energy consumption

Author Community:

  • [ 1 ] [Han, Jia-Wei]Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China
  • [ 2 ] [Qian, Jian-Ping]Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China
  • [ 3 ] [Zhao, Chun-Jiang]Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China
  • [ 4 ] [Yang, Xin-Ting]Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China
  • [ 5 ] [Fan, Bei-Lei]Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China
  • [ 6 ] [Han, Jia-Wei]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Yang, Xin-Ting]Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China

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Source :

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER

ISSN: 0017-9310

Year: 2017

Volume: 111

Page: 386-397

5 . 2 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:165

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 56

SCOPUS Cited Count: 65

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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