Thermal Comfort




Thermal Comfort is that condition of mind which expresses our satisfaction with the thermal environment. Thermal comfort. It depends on the environment and an individual what makes him comfortable.

 Environmental Factors :
Air temperature
-Temperature of air surrounding the body
Radiant temperature
-The heat radiated by any warm object like sun.furnaces,ovens etc.
Velocity of Air
-It is the speed of the the air.Stagnant air can cause odor. Moving air causes heat loss.
Humidity
-It is the amount of water in the atmosphere. High humidity prevents the evaporation.

 Personal Factors:
Clothing
-Clothes interfere with our ability to lose heat to the environment.Clothes contribute to the protection level.
Metabolic Heat
-The more physical work we do, more heat we produce. It depends on a person's physical characteristics.
Thermal comfort is important to allow us to concentrate on given task. Thermal comfort can be checked by asking the following questions
1. Does air feel warm or hot ?
2. Does temperature keep fluctuating ?
3. Is there a heat source?
4. Is the air humid or dry ?
5. Is the environment cool/cold or hot ?

 Thermal comforts could be managed by
1. Administrative Controls.
-Administrative controls include planning and rescheduling work times and practices and rest schedules,

 2.Engineering Controls
- it is used to avoid hazards and risks.

 Other solutions are heating, air movement, air cooling, etc.

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