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Advantages Of Natural Ventilation Essay

1442 Words6 Pages

Natural ventilation, being the most environmentally friendly form of ventilation is very important in improving thermal comfort and indoor air quality in buildings. With the advancement in technology, there have been introduced many mechanical ways of ventilation. However, natural ventilation strategies hold many advantages over such mechanical solutions such as the incredibly low comparative first and operating costs. Secondly, natural ventilation generates cleaner air, therefore more sustainable. Due to the hot and humid climate of Famagusta, natural ventilation is an effective way of improving thermal comfort and indoor air quality in buildings. This study aims to determine the most effective means of achieving natural ventilation and the …show more content…

At temperatures below 33⁰C, increase in air velocity increases the thermal comfort level. (Givoni 1998) During the hot season, thermal comfort ventilation could have either of the following aspects; firstly, when the outside temperature is lower than the indoor temperature, ventilation can cool down the indoor air by replacing the outside air. It can also cool down the building structure. The second aspect is when the outside temperature is higher, ventilation can cause direct cooling on the human body for evaporation and convection. There are two ways to enhance the level of human comfort in natural ventilation: direct and indirect physiological effects. These are known as ‘Comfort Ventilation’, which involves more wind through openings to increase the indoor airflow and results in the occupants feeling cooler. Direct approach is ventilative cooling & indirect approach is to improve the level of comfort by ventilating the building at night to cool down the interior, which is known as ‘Nocturnal Ventilative Cooling’. (Yeang 1999) Comfort ventilation is mainly applicable to regions and seasons when the outdoor maximum air temperature does not exceed 28-32⁰C and where the diurnal temperature range is less than 10⁰C. (Givoni

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