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<p>In modern society, people spend most of their time indoors, making indoor air quality (IAQ) crucial for health and quality of life. The accumulation of pollutants like carbon dioxide (CO<sub>2</sub>) and particulate matter can degrade indoor environments, leading to respiratory issues and other health problems. Effective ventilation systems are essential for addressing these concerns, and previous studies have extensively examined the impact of air supply and exhaust vent positions and quantities on ventilation performance. However, research on the influence of space size and area ratios on ventilation efficiency is limited. This study analyzes ventilation performance based on changes in vent positions and space dimensions of identical shapes. It evaluates airflow patterns and CO<sub>2</sub> distribution under various conditions. The findings aim to propose efficient ventilation strategies and provide design recommendations for improving indoor air quality in residential spaces.</p>

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Flow performance analysis of a residential ventilation system with variable vent locations and geometric space dimensions

  • 期刊论文

  • 发表日期：

    2026年4月9日

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  • Yeong Jin Son,
  • Sang Hoon Lee,
  • Dong Kyun Im,
  • Byung Chang Kwag

摘要

In modern society, people spend most of their time indoors, making indoor air quality (IAQ) crucial for health and quality of life. The accumulation of pollutants like carbon dioxide (CO2) and particulate matter can degrade indoor environments, leading to respiratory issues and other health problems. Effective ventilation systems are essential for addressing these concerns, and previous studies have extensively examined the impact of air supply and exhaust vent positions and quantities on ventilation performance. However, research on the influence of space size and area ratios on ventilation efficiency is limited. This study analyzes ventilation performance based on changes in vent positions and space dimensions of identical shapes. It evaluates airflow patterns and CO2 distribution under various conditions. The findings aim to propose efficient ventilation strategies and provide design recommendations for improving indoor air quality in residential spaces.