太阳能空气集热结合空心内墙蓄热采暖的室内温度与采暖负荷分析

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英文篇名：Analysis of Indoor Air Temperature and Heating Load of a System Combining Hollow Interior Wall with Solar Air Collector 作者：刘伯万 ; 雷波 ; 余涛 英文作者：Liu Bowan;Lei Bo;Yu Tao;School of Mechanical Engineering,Southwest Jiaotong University; 关键词：太阳能空气集热器 ; 空心通风内墙 ; 蓄热 ; 采暖 ; 热过程模拟 英文关键词：solar air collector;;ventilated hollow interior wall;;heat storage;;heating;;simulation of thermal processes 中文刊名：ZLKT 英文刊名：Refrigeration & Air Conditioning 机构：西南交通大学机械工程学院; 出版日期：2019-06-28 出版单位：制冷与空调(四川) 年：2019 期：v.33;No.154 基金：国家自然科学基金青年科学基金项目“耦合太阳能热源的空心通风内墙蓄传热特性研究”(51708453) 语种：中文; 页：ZLKT201903017 页数：5 CN：03 ISSN：51-1622/TB 分类号：94-98

摘要

提出了一种将太阳能空气集热器与空心通风内墙相结合的新型供暖方式,利用建筑内墙蓄存集热器白天收集的热量,并于夜间释放至室内,从而提高夜间室内温度,减少采暖负荷。运用EnergyPlus软件建立该系统的计算模型,模拟室内温度及采暖负荷,得出太阳能空气集热结合空心通风内墙蓄热供暖系统相比无该系统的普通房间及将热空气直接通入普通房间的集热器传统应用方法,分别能够提高夜间室内最低温度6.5℃与3.2℃,减少夜间采暖负荷56.8%与51.6%。该系统在太阳能资源丰富的青藏高原寒冷地区普通居住建筑中具有良好的推广价值。
        A new heating system combining the ventilated hollow interior wall with a solar air collector is presented in this paper. The interior wall in the system can store the heat collected by the solar air collector during the daytime and release it to the room during the nighttime, which increases the indoor air temperature at night and reduce the heating load. The software-EnergyPlus is used to evaluate the indoor air temperature and the heating load in this paper. Compared with the room without this system and the traditional application of the solar air collector, this system can increase the nighttime minimum indoor air temperature by 6.5 °C and 3.2 °C and reduce the nighttime heating load by 56.8% and 51.6%, respectively. This system has a good promotional value for residential buildings in the alpine region which is rich in solar energy.

引文

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