【摘要】：研究了建筑夜間通風(fēng)降溫特性及其控制方法.選擇長沙地區(qū)2種不同功能類型的房間作為研究對象,利用建筑能耗模擬分析軟件DeST,分析了通風(fēng)換氣時間、換氣次數(shù)與排風(fēng)溫度之間的關(guān)系,研究了不同類型建筑夜間通風(fēng)降溫規(guī)律.結(jié)果表明,建筑夜間通風(fēng)的排風(fēng)溫度隨通風(fēng)時間呈對數(shù)變化規(guī)律;以通風(fēng)能效最優(yōu)為目標(biāo)時,夜間通風(fēng)存在換氣次數(shù)和通風(fēng)時間最優(yōu)組合,并得到了這個最優(yōu)組合的確定方法.利用該方法可以實(shí)現(xiàn)以通風(fēng)能效最高為目標(biāo)的通風(fēng)系統(tǒng)運(yùn)行的最優(yōu)控制.
[Abstract]:The cooling characteristics and control methods of night ventilation in buildings are studied. Two kinds of rooms of different function types in Changsha area were selected as research objects. The relationship between ventilation time, ventilation times and exhaust air temperature was analyzed by building energy consumption simulation software DeST,. The cooling law of night ventilation for different types of buildings was studied. The results show that the exhaust air temperature of nocturnal ventilation varies logarithmically with ventilation time, and the optimal combination of ventilation times and ventilation time exists in nocturnal ventilation with the aim of optimal ventilation energy efficiency, and the method to determine the optimal combination is obtained. By using this method, the optimal control of ventilation system with maximum ventilation energy efficiency can be realized.
【作者單位】： 湖南大學(xué)土木工程學(xué)院;
【基金】：國家自然科學(xué)基金資助項(xiàng)目(51578221)~~
【分類號】：TU834.3

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