Study on the Definition of Time of the Grape Pre-Cooling

doi:10.3969/j.issn.0253-4339.2003.03.012

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Study on the Definition of Time of the Grape Pre-Cooling

更新时间：2025-02-26

- Study on the Definition of Time of the Grape Pre-Cooling
- Journal of Refrigeration Vol. 24, Issue 3, (2003)
- 作者机构：
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- DOI：10.3969/j.issn.0253-4339.2003.03.012
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- Published：2003
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Study on the Definition of Time of the Grape Pre-Cooling[J]. Journal of refrigeration, 2003, 24(3).
DOI：

Study on the Definition of Time of the Grape Pre-Cooling[J]. Journal of refrigeration, 2003, 24(3). DOI： 10.3969/j.issn.0253-4339.2003.03.012.

摘要

果蔬预冷是冷藏链中一个重要环节，适当的预冷时间能保证果蔬质量。通过对巨峰葡萄在预冷时的传热分析，建立了集总参数法模型来估算葡萄中心温度达到冷库温度时所需要的时间，并通过实验进行了验证。结果表明当冷库内空气流速达到一定时(大于1．1m/s)，采用定性尺寸R，集总参数法能够很好地估算葡萄预冷时间，为农业生产中形状类似于葡萄的果蔬预冷时间提供了依据。

Abstract

The pre-cooling of fruits and vegetables is an important step in the cold-chain

and a proper pre-cooling time period can assure the quality of fruits and vegetables. Here the lumped parameter method was set up to estimate the required time period after which the center temperature of the grape reaches the air temperature in the cooling store by analyzing the heat transfer of the grape in pre-cooling

and was confirmed by the experiment. The results show that adopting the qualitative size R

the method can estimate the pre-cooling time period of the grape properly when the air velocity in the cooling store is larger than 1.1m/s.

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Related Institution

Vegetable Research Center, Beijing Academy of Agriculture and Forestry Sciences, Key Laboratory of the Vegetable Postharvest Treatment of Ministry of Agriculture, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China), Ministry of Agriculture, Key Laboratory of Urban Agriculture (North), Ministry of Agriculture

青岛海尔开利冷冻设备有限公司

张建一(集美大学机械工程学院,,)

胡云峰,于晋泽,朱志强,Hu Yunfeng,Yu Jinze,Zhu Zhiqiang(食品营养与安全省部共建教育部重点实验室,天津科技大学食品工程与生物技术学院,,)

北京市农林科学院蔬菜研究中心 100089(高丽朴，郑淑芳)，北京市农林科学院蔬菜研究中心 100089(李武

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