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Study on heat transfer process for in-slab heating floor

机译：板内加热地板传热过程的研究

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摘要

In order to improve the accuracy of computational model of the existing heat transfer process for in-slab heating floor, two heat transfer models, the revised composite-fin model and the equivalent heat resistance model, were developed in this paper. The revised composite-fin model was developed from its original type. The equivalent heat resistance model is a new method that has the ability to calculate the heat gain from floor by introducing the concept of equivalent heat resistance. The expression of equivalent heat resistance depends on the shape factor of floor, and then a simplification treatment is adopted to calculate heat gain of floor. The accuracy of two models was assessed by laboratory test and numerical simulation based on different heat conduct equations. It is believed that the two models can provide a rather simple method to calculate the heat gain of floor and to increase the design flexibility for various types of floors.
机译：为了提高板式供暖地板现有传热过程计算模型的准确性，本文开发了两种传热模型，即修正后的复合翅片模型和等效耐热模型。修改后的复合翅片模型是从其原始类型发展而来的。等效热阻模型是一种新方法，可以通过引入等效热阻的概念来计算地板的热量增量。等效耐热性的表达式取决于地板的形状因子，然后采用简化处理来计算地板的热增益。根据不同的热传导方程，通过实验室测试和数值模拟评估了两种模型的准确性。可以相信，这两种模型可以提供一种相当简单的方法来计算地板的热增益并增加各种类型地板的设计灵活性。

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  • 来源
    《Building and Environment》 |2012年第8期|p.77-85|共9页
  • 作者

    Yanfeng Liu; Dengjia Wang; Jiaping Liu;

  • 作者单位

    School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, 13 Yanta Road, Xi'an 710055, China;

    School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, 13 Yanta Road, Xi'an 710055, China;

    School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, 13 Yanta Road, Xi'an 710055, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    composite-fin model; in-slab heating floor; equivalent heat resistance; heat gain from floor;

    机译：复合翅片模型平板加热地板;等效耐热性地板热量增加;

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