Table of Contents
How many BTUs Does a person produce at rest?
In reality, the human body produces between 250 and 400 BTUs of power, depending on its state of consciousness. In other words, when the body is asleep, it produces less. To put it in real-world terms, this is about enough power to keep a 75-watt light bulb burning (or four of the energy-efficient pigtail light bulbs).
How many BTU do I need per person?
Quick Calculations When calculating the cooling load for a particular space, managers can use a rough estimate of 600 Btu per person. So a quick estimate for a 400-square-foot office with minimal occupancy is about 12,000 Btu, or 1 ton of cooling.
What is the heat load per person?
The average amount of heat given off by a person depends on the level of activity, and can range from about 100 W for a resting person to more than 500 W for a physically very active person.
How is human heat load calculated?
Sensible Heat Gain = W * Fs * 3.41 = 80,000 * 0.91 * 3.41 = 248,248 btu/hr. Sensible Heat Gain = W * 3.41 = 30,000 * 3.41 = 102,300 btu/hr….Heat Gain from People.
| Q-ps | = N-p * qs * Fu * CLF-h | (sensible heat gain) |
|---|---|---|
| Q-pl | = N-p * ql * Fu | (latent heat gain) |
How many BTUs does a person use per hour?
Every square foot of body gives off heat of about 19 matches/hour. Du Bois area: The surface area of skin of an “average” adult is 1.8 m2 (1.8 x 10.76 = 19.368 ft2) The total heat production of an “average” person at rest per hour is 58.2 x 1.8 = 104.76 = 105 watts (18.4 x 19.368 = 356.37 = 356 Btu’s per hour).
How many Btus does a person use per hour?
How many BTU are in a kW?
3412 BTU/
3412 BTU/h = 1 kW This means that 1 kW is equal to 3412 BTU/h.
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