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THE PERFORMANCE ANALYSIS OF NATURAL VENTILATION FOR BUILDING COOLING IN CHANGSHA CITY, CHINA1

Jiasheng Wu, Yan Xu, Junli Zhou, Guoqiang Zhang

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Abstract

As a passive cooling strategy, natural ventilation is an energy conservation technology with great developing potential. The typical technologies of natural ventilation include night ventilation and natural ventilation with heat storing materials. The factors which affect ventilation include technique parameter, climate parameter and building’s parameter. The natural ventilation in summer in a typical building in Changsha City, which locates in hot summer and cold winter area, was measured. The effects of air exchanging rate, ventilation time, the area of exterior windows and the indoor heat storing mass for the ventilation are analyzed and validated by simulation.

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What this paper is about

As a passive cooling strategy, natural ventilation is an energy conservation technology with great developing potential. The typical technologies of natural ventilation include night ventilation and natural ventilation with heat storing materials. The factors which affect ventilation include technique parameter, climate parameter and building’s parameter. The natural ventilation in summer in a typical building in Changsha City, which locates in hot summer and cold winter area, was measured. The effects of air exchanging rate, ventilation time, the area of exterior windows and the indoor heat storing mass for the ventilation are analyzed and validated by simulation.

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Available abstract

As a passive cooling strategy, natural ventilation is an energy conservation technology with great developing potential. The typical technologies of natural ventilation include night ventilation and natural ventilation with heat storing materials. The factors which affect ventilation include technique parameter, climate parameter and building’s parameter. The natural ventilation in summer in a typical building in Changsha City, which locates in hot summer and cold winter area, was measured. The effects of air exchanging rate, ventilation time, the area of exterior windows and the indoor heat storing mass for the ventilation are analyzed and validated by simulation.

Key concepts: Natural ventilation, Ventilation (architecture), Environmental science, Energy recovery ventilation, Meteorology, Passive cooling, Engineering, HVAC

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