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Analysis of airflow and heat transfer inside fruit packed refrigerated shipping container: Part II - Evaluation of apple packaging design and vertical flow resistance
Authors
Alemayehu Ambaw
Mulugeta Admasu Delele
+3 more
Samuel Getahun
Chris J Meyer
Umezuruike Linus Opara
Publication date
1 January 2017
Publisher
'Elsevier BV'
Doi
Cite
Abstract
In the previous paper (Part I) in this series, a validated 3-D computational fluid dynamics (CFD) model of airflow and heat transfer inside a refrigerated shipping container (reefer) packed with apple was developed using porous media approach. In this paper (Part II), the cooling performance of commonly used package designs used for handling apple was investigated. First, the study computes the aerodynamic and thermodynamic characteristics of three package designs. This confirmed the effect of vertical airflow on the rate and uniformity of cooling inside the reefer. Then, the effects of vertical flow resistance on the rate and uniformity of cooling was further investigated. Adding vent-holes (3.5% vent area) on the bottom face of the package reduced vertical airflow resistance, and reduced the seven-eighth cooling time by 37% compared to a package with no bottom vent-holes. The study demonstrated the significance of vent-holes on the bottom face of packaging boxes and the potential energy saving opportunities in refrigerated transport systems.publisher: Elsevier articletitle: Analysis of airflow and heat transfer inside fruit packed refrigerated shipping container: Part II – Evaluation of apple packaging design and vertical flow resistance journaltitle: Journal of Food Engineering articlelink: http://dx.doi.org/10.1016/j.jfoodeng.2017.02.011 content_type: article copyright: © 2017 Elsevier Ltd. All rights reserved.status: publishe
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Last time updated on 10/12/2019