Heat transfer performance of a single air bubble in direct contact ice slurry generator

郑克晴

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Heat transfer performance of a single air bubble in direct contact ice slurry generator

更新时间：2025-12-10

- Heat transfer performance of a single air bubble in direct contact ice slurry generator
- CIESC Journal Issue S2, (2010)
- 作者机构：
  
  浙江大学制冷与低温研究所,浙江,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：30 December 2010，
  
  Published：30 December 2010
- 稿件说明：
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郑克晴. Heat transfer performance of a single air bubble in direct contact ice slurry generator[J]. CIESC Journal, 2010, (S2).
DOI：

郑克晴. Heat transfer performance of a single air bubble in direct contact ice slurry generator[J]. CIESC Journal, 2010, (S2). DOI：

摘要

冰浆生成器是直接接触法冰浆制取系统的关键设备之一，而体积传热系数作为衡量冰浆生成器性能的重要参数受诸多因素影响。基于单个气泡在连续相中的上升特性，定性分析了各种因素对体积传热系数的影响。实验结果表明：进气温度下降、进气质量流量增加、水柱高度下降、喷嘴直径减小均导致体积传热系数增加。

Abstract

Ice slurry generator is a key equipment in the direct contact ice slurry making process.As an important assessment parameter of the ice slurry generator performance，the volumetric heat transfer coefficient is greatly affected by many factors.In this paper，qualitative analysis of various effects on the volumetric heat transfer coefficient is done，based on the rising characteristics of a single bubble in the continuous phase.The experimental results show that the decrease of the water column height，the inlet air temperature，and the nozzle diameter，as well as the increase of the air mass flow rate，will lead to an increase of the volumetric heat transfer coefficient.

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