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Energy consumption in relation to the number of stacked packages in forced air pre‐cooling of apples.

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Title: Energy consumption in relation to the number of stacked packages in forced air pre‐cooling of apples.
Authors: Jia, Binguang1 (AUTHOR), Yang, Luopeng1,2 (AUTHOR) yangluopeng19@sdjzu.edu.cn, Zhang, Linhua1 (AUTHOR), Li, Xiuling3 (AUTHOR), Liu, Bing2 (AUTHOR), Chen, Feiyong2 (AUTHOR), Zhang, Qiangwu1 (AUTHOR)
Source: Journal of Food Process Engineering. May2022, Vol. 45 Issue 5, p1-12. 12p.
Subjects: Energy consumption, Computational fluid dynamics, Air conditioning, Air flow, Orchards, Horticultural products
Abstract: To better investigate the effect of the number of stacked packages on the seven‐eights cooling time and the specific fan energy consumption in forced air pre‐cooling (FAC), a three‐dimensional model of FAC in the stacked packages was developed. The predicted total pressure loss was less than the product of the number of stacked packages and the pressure loss of a single package. This was due to the pressure loss of the cold air flowing through the openings in the adjacent packages accounting for the dominant proportion of the stacked packages. The difference was used to prove the overestimation of the specific fan energy consumption calculated in terms of the product of the number of stacked packages and the pressure loss of a single package. In terms of the required parameters in the pre‐cooling industry, the optimal condition of three stacked packages at the air velocity of 1.0 m/s was suggested. Compared with the other complied conditions, the specific fan energy consumption of the optimal condition was reduced by more than 50% and 0.0289–0.975$ t−1, respectively. Practical applications: Forced air pre‐cooling was an effective way to retain freshness and to improve the economic benefit of horticultural products. The quantitative relationships among the number of stacked packages, the pressure loss, and the fan energy consumption were obtained by computational fluid dynamics (CFD) simulation. Based on the results, the optimal condition in forced air pre‐cooling of apples was suggested. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Food Process Engineering is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Energy consumption in relation to the number of stacked packages in forced air pre‐cooling of apples.
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  Data: <searchLink fieldCode="AR" term="%22Jia%2C+Binguang%22">Jia, Binguang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Luopeng%22">Yang, Luopeng</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> yangluopeng19@sdjzu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Linhua%22">Zhang, Linhua</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Xiuling%22">Li, Xiuling</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Bing%22">Liu, Bing</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Feiyong%22">Chen, Feiyong</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Qiangwu%22">Zhang, Qiangwu</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Food+Process+Engineering%22">Journal of Food Process Engineering</searchLink>. May2022, Vol. 45 Issue 5, p1-12. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Energy+consumption%22">Energy consumption</searchLink><br /><searchLink fieldCode="DE" term="%22Computational+fluid+dynamics%22">Computational fluid dynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Air+conditioning%22">Air conditioning</searchLink><br /><searchLink fieldCode="DE" term="%22Air+flow%22">Air flow</searchLink><br /><searchLink fieldCode="DE" term="%22Orchards%22">Orchards</searchLink><br /><searchLink fieldCode="DE" term="%22Horticultural+products%22">Horticultural products</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: To better investigate the effect of the number of stacked packages on the seven‐eights cooling time and the specific fan energy consumption in forced air pre‐cooling (FAC), a three‐dimensional model of FAC in the stacked packages was developed. The predicted total pressure loss was less than the product of the number of stacked packages and the pressure loss of a single package. This was due to the pressure loss of the cold air flowing through the openings in the adjacent packages accounting for the dominant proportion of the stacked packages. The difference was used to prove the overestimation of the specific fan energy consumption calculated in terms of the product of the number of stacked packages and the pressure loss of a single package. In terms of the required parameters in the pre‐cooling industry, the optimal condition of three stacked packages at the air velocity of 1.0 m/s was suggested. Compared with the other complied conditions, the specific fan energy consumption of the optimal condition was reduced by more than 50% and 0.0289–0.975$ t−1, respectively. Practical applications: Forced air pre‐cooling was an effective way to retain freshness and to improve the economic benefit of horticultural products. The quantitative relationships among the number of stacked packages, the pressure loss, and the fan energy consumption were obtained by computational fluid dynamics (CFD) simulation. Based on the results, the optimal condition in forced air pre‐cooling of apples was suggested. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Food Process Engineering is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/jfpe.14021
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        Text: English
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      – SubjectFull: Energy consumption
        Type: general
      – SubjectFull: Computational fluid dynamics
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      – SubjectFull: Air conditioning
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      – SubjectFull: Air flow
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      – SubjectFull: Orchards
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      – SubjectFull: Horticultural products
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      – TitleFull: Energy consumption in relation to the number of stacked packages in forced air pre‐cooling of apples.
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            NameFull: Jia, Binguang
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            NameFull: Liu, Bing
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              M: 05
              Text: May2022
              Type: published
              Y: 2022
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