Heat Transfer of Channel Type Wheel Heat Exchanger under Frosting Condition

doi:10.3969/j.issn.0253-4339.2007.06.001

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Heat Transfer of Channel Type Wheel Heat Exchanger under Frosting Condition

更新时间：2025-09-03

- Heat Transfer of Channel Type Wheel Heat Exchanger under Frosting Condition
- Journal of Refrigeration Vol. 28, Issue 6, Pages: 1-6(2007)
- 作者机构：
  
  [1]中国科学院理化技术研究所,北京100080 [2]中国科学院研究生院,北京100039 [3]北京龙头国际建筑装饰工程有限公司,北京100020 [4]哈尔滨工业大学,黑龙江哈尔滨150090 [5]北京闻思技术开发公司,北京,100039
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2007.06.001
  CLC：
- Published：2007
- 稿件说明：
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Heat Transfer of Channel Type Wheel Heat Exchanger under Frosting Condition[J]. Journal of Refrigeration, 2007, 28(6): 1-6.
DOI：

Heat Transfer of Channel Type Wheel Heat Exchanger under Frosting Condition[J]. Journal of Refrigeration, 2007, 28(6): 1-6. DOI： 10.3969/j.issn.0253-4339.2007.06.001.

摘要

通道轮式新风换气机作为一种新型的通风换气设备近年来得到了广泛的应用。然而，其室外排风侧结霜是影响其在严寒地区冬季运行的主要问题，结霜严重时会影响该设备的运行性能。因此，有必要对通道轮式新风换气机在结霜工况下的运行规律进行深入的研究以指导其在严寒地区冬季的应用。文章在能量守恒、含湿量守恒的基础上建立了通道轮式换热器排风侧结霜工况下的数学模型，该模型耦合了结霜子模型和热交换子模型。利用该模型分析了不同工况下结霜量对该换热器换热的影响。计算出了不同工况下融霜的时间间隔，为采取有效的除霜控制方法提供了依据。将模拟结果与实验数据进行了比较，两者吻合很好，进一步验证了所建模型的可靠性。

Abstract

Formation of frost on the surface of exhaust outlets causes the performance degradation of channel type wheel fresh air ventilators when operating under low ambient temperature in winter. In this study

a detailed model for the channel type wheel heat exchangers under frosting condition was established

including a frosting sub-model and a channel type wheel heat exchanger sub- model. Analysis on the heat transfer characteristics of a frosted channel type wheel heat exchanger was performed under different ambient conditions. In addition

the intervals of defrosting were obtained under different operating conditions. The computing results are in agreement with the experimental data.

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