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meriva
3 years ago
11

In a movie theater in winter, 510 people, each generation sensible heat at a rate of 80 W, are watching a movie. The heat losses

through the walls, windows, and the roof are estimated to be 130,000 Btu/h. Determine the contribution of people to the heating of the building. The average rate of heat generation from people in a movie theater in sensible form is 80 W per person.
Engineering
1 answer:
Harrizon [31]3 years ago
6 0

Answer:

139213.68\ \text{Btu/h}

Explanation:

Number of people = 510

Heat generated per person with respect to time = 80 W

1\ \text{W}=3.4121\ \text{Btu/h}

Heat generated by 510 people is

\dot{Q}=510\times 80\times 3.4121

\Rightarrow \dot{Q}=139213.68\ \text{Btu/h}

The contribution of people to the heating of the building is 139213.68\ \text{Btu/h}

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