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IAQ & Thermal Comfort - Research Paper Example

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Indoor air quality and Thermal comfort Name Institution Indoor air quality and Thermal comfort Thermal comfort and indoor air quality are considered amongst important factors when considering the quality of indoor environment. These factors are usually given much attention when designing buildings and structures in places that experience extreme variations in environmental conditions (Amissah, 2005)…
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IAQ & Thermal Comfort
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IAQ & Thermal Comfort

Both regional and international standards have been developed to prescribe indoor environmental conditions that are safe for buildings’ occupants. In order understand how these factors (Thermal comfort and indoor air quality) affect the quality of life people leave indoors, it is important to know the various aspects affecting them. This research paper, therefore, aims at discussing and understanding the various factors that affect the quality of indoor air (known as Indoor Air quality, IAQ), and factors that affect human thermal comfort. The paper also aims at discussing the relationship that exists between thermal comfort and Indoor Air quality. The research paper will also discuss challenge of combination and maintenance of these factors (Thermal Comfort and Indoor Air quality) in Saudi Arabia, among others. Indoor air quality Description Indoor air quality can be described as the quality of air around and within structures and buildings which people occupy (Amissah, 2005). This quality of air is related to the comfort and health of individuals who occupy these structures and/or buildings. An “accepted indoor air quality” can be defined as an air condition in which majority of the occupants are satisfied with it, and in which there is no accumulation of contaminants to levels that can affect humans negatively (harm occupants) (Amissah, 2005). The quality of indoor air depend on a number of factors, among them include: quantity, strength and type of indoor emissions and quality, quantity and type of air outdoor. In order to ensure that indoor air conditions are comfortable and at accepted levels, the spaces that exist indoors must receive sufficient amount of clean outdoor air (Al-ajmi, 2010). In addition to receiving sufficient amount of air, indoors should be ventilated. During ventilation it should be ensured that all the spaces indoors receive air that is not contaminated with harmful microbiological components or chemicals which are hazardous in nature (Amissah, 2005). In summary, the quality of indoor is normally affected by outdoor climate, variations in operations that take place in buildings or structures, and activities of the building occupants. Before proceeding to discussing more about the factors that affect quality of indoor, it is important that certain terms and expression that relate to indoor air quality are understood. These terms include: a) Perceived air quality b) Standard person c) Olf (Amissah, 2005) Perceived air quality Perceived air quality can be defined as the fraction of percentage of people who are dissatisfied (Amissah, 2005). Meaning that, it is the fraction of people who feel that the quality of air in a space just after entering in is not acceptable. Perceived air quality is measured in decipols. One decipol is considered as the quality of perceived air in a space that is polluted with a pollution source of one olf, and is ventilated using clean air fed at a rate of 10 liters per second. Olf This is unit for measuring amount of pollution generated by occupants of a building or a structure (Al-ajmi, 2010). It is estimated a standard person generates pollution of one (1) olf. Standard person A standard person can be defined as an average sedentary individual (adult) who works in an office, and feels neutral in terms air and thermal quality, or an average office worker who is not ... Read More
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