低温强辐射双扰动下热阻与热惰性指标对外墙动态热特性的影响

doi:doi:10.19912/j.0254-0096.tynxb.2024-0904

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低温强辐射双扰动下热阻与热惰性指标对外墙动态热特性的影响

更新时间：2025-10-22

- 低温强辐射双扰动下热阻与热惰性指标对外墙动态热特性的影响
- Vol. 46, Issue 9, Pages: 764-771(2025)
- 作者机构：
- 作者简介：
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- DOI：doi:10.19912/j.0254-0096.tynxb.2024-0904
  CLC： TU111
- Published Online：14 October 2025，
  
  Published：2025
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[J]. 2025, 46(9): 764-771.
DOI：

[J]. 2025, 46(9): 764-771. DOI： doi:10.19912/j.0254-0096.tynxb.2024-0904.

摘要

针对太阳能富集区建筑外墙在低温强辐射双热扰下表现的动态传热特性

为高效优化保温设计

以拉萨地区为例

利用动态传热数值计算模型分析热阻与热惰性指标的变化对复合外墙热响应特性的影响

构建三者之间的Poly2D、LogNormal2D与Plane函数关系式

揭示南、北向外墙的内表面温度在热阻与热惰性指标综合影响下的变化规律

并根据该规律提出墙体热阻最小值和热惰性指标的匹配关系建议

为太阳能富集区围护结构热工性能的优化设计提供快速便捷的参数优化指导。

Abstract

For the dynamic heat transfer characteristics of building external walls in solar-enriched areas under the dual thermal disturbances between low temperature and intense solar radiance

it is necessary to efficiently optimize the thermal insulation design in winter. Taking Lhasa as an example

this study uses a dynamic heat transfer numerical calculation model to analyze the influence of the change of thermal resistance and thermal inertia index on the thermal response characteristics of composite external walls. After that

the functional relationship expressions among these three factors

namely Poly2D

LogNormal2D

and Plane

were constructed

and the variations patterns of the interior surface temperature of the south and north facing external walls were revealed under the combined influence of thermal resistance and thermal inertia index. On this basis

the matching relationship suggestions between the minimum thermal resistance and thermal inertia index of external walls were proposed. The findings obtained in this study can provide rapid and convenient parameter optimization guidance for the optimized design of the thermal performance of building envelopes in solar-enriched areas.

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references

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Related Institution

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