home improvement

Thermal Convenience Aspect of Buildings

Human comfort in a building can be divided into thermal / temperature comfort, visual/light comfort and acoustic/sound comfort. This comfort is subjective depending on one’s physical condition, such as age, sex, skin color and adaptability, and environmental conditions. However, this comfort has the same standard in every place that must be met by a building. To check the thermal comfort standards of your building, you can consult with the nathers assessor. But before you consult, it doesn’t hurt if you know several aspects that can affect thermal comfort, namely:

•    Air temperature

This air temperature is closely related to heat. Heat is created due to temperature differences. Heat flows from high to low temperatures. Thermal comfort in humans is at body temperature 370C and if it rises to 50 or falls to 20 it will cause discomfort or even death. While the ambient air temperature is said to be comfortable at temperatures around 250C, above 260C then the human body is sweating. Therefore, in addition to the ability of the human body to maintain temperature, optimal environmental conditioning is also needed.

•    Humidity

Humidity is the content of water vapor in the air. This humidity affects the release of heat from the human body. High humidity will cause heat in the body is difficult to be released, causing discomfort. Likewise, with low humidity, the air will take a lot of heat from the body so dry skin will arise and so on.

• Wind flow velocity

The wind is moving air. This moving air helps accelerate the release of heat on the surface of one’s skin. The wind will help to lift water vapor which inhibits the release of heat. However, if the wind is too strong, the heat released by the body becomes excessive so that there will be cold conditions that reduce thermal comfort.

• Solar radiation

Solar radiation reaches the earth to warm the earth’s surface. Likewise in a building, solar radiation will make the room feel warm. During the day the sun’s radiation is abundant so that if too much will cause the temperature of the air in the room to increase, on the contrary at night the sun’s radiation is very minimal, causing coldness to one’s body. Therefore a building design is needed that can overcome the advantages and disadvantages of the effects of solar radiation.

The four aspects are environmental aspects, there are other aspects that are human aspects, namely:

• Human activity

Human activities generally produce heat that is released into the environment. This heat is different for each activity. Heavy activities such as exercise, lifting weights and other heavy work that requires large energy will produce a large amount of heat. While activities such as rest or sleep produce minimum heat.

• Clothes

The heat released by a person into the environment is also affected by the clothes worn. When the clothes are worn are thin and short clothes, the release of heat will occur a lot. This is usually done in areas with high air temperatures. Conversely, if the clothes used are thick and long clothes, the release of heat from the skin will be minimum. Usually, clothes like this are worn in areas with low temperatures.

To be able to achieve thermal comfort, good air conditioning is needed. This air conditioning can be natural or artificial. This air conditioning depends on the needs in each area. For the tropics, the air conditioning needed is to reduce the heat in a building while in the sub-tropics, the intended air conditioning is intended to maintain the heat in the room.

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