Mankind and heat - Thermal comfort
4 important questions on Mankind and heat - Thermal comfort
Thermal comfort is sometimes defined as the state of mind that expresses satisfaction with the thermal environment. It is subjective. What does it depend on?
- Air temperature
- Air velocity
- Weighted radiation temperature
- Relative air humidity
- Metabolism
- Clothing
What are reasons for dissatisfaction with the thermal quality?
- Too large temperature difference between the air at the height of the head and at the level of the feet
- too high an air velocity
- too high a radiation asymmetry
What is the operative temperature?
- Higher grades + faster learning
- Never study anything twice
- 100% sure, 100% understanding
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What are the conditions during the winter?
- Operative temperature between 20 and 24
- The difference in air temperature on 0.1 and 1.1 m should be less than 3
- the surface temperature of the floor should be between 20 and 26
- average air velocity should be lower than 0.15 m/s
- radiation asymmetry by windows or other vertical planes should be less than 10 K
- radiation asymmetry by a warm ceiling should be less than 5 K
The question on the page originate from the summary of the following study material:
- A unique study and practice tool
- Never study anything twice again
- Get the grades you hope for
- 100% sure, 100% understanding
