4.1. A group of N dancers are dancing in a dancing session in a 70 m² isolated gym initially at 25°C. As the party started, the participants started to dance to soft music. While dancing, the temperature of the body raises from 37.5°C to 38°C. a) What is the total heat transfer rate from dancers to the room? b) What is the final temperature of the room? Assumptions : a) The average height of a person is L cm. b) The average diameter of shoulder is D cm. c) The human body temperature maintains at a temperature of 38°C while dancing. (T,= 38.0°C) k=0.025991 W/m°C, Pr=0.72778, V= 1.6221×105 m²/s, ha=100 W/m² °C, o=5.6703x10® w/m².K“, E=0.99 (thermal radiation emissivity of human body) Group 4,5,6: L: 1.75 cm, D: 115 cm, N: 34
4.1. A group of N dancers are dancing in a dancing session in a 70 m² isolated gym initially at 25°C. As the party started, the participants started to dance to soft music. While dancing, the temperature of the body raises from 37.5°C to 38°C. a) What is the total heat transfer rate from dancers to the room? b) What is the final temperature of the room? Assumptions : a) The average height of a person is L cm. b) The average diameter of shoulder is D cm. c) The human body temperature maintains at a temperature of 38°C while dancing. (T,= 38.0°C) k=0.025991 W/m°C, Pr=0.72778, V= 1.6221×105 m²/s, ha=100 W/m² °C, o=5.6703x10® w/m².K“, E=0.99 (thermal radiation emissivity of human body) Group 4,5,6: L: 1.75 cm, D: 115 cm, N: 34
Elements Of Electromagnetics
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![4.1. A group of N dancers are dancing in a dancing session in a 70 m2 isolated gym initially at 25°C. As
the party started, the participants started to dance to soft music. While dancing, the temperature of the
body raises from 37.5°C to 38°C.
a) What is the total heat transfer rate from dancers to the room?
b) What is the final temperature of the room?
Assumptions :
a) The average height of a person is L cm.
b) The average diameter of shoulder is D cm.
c) The human body temperature maintains at a temperature of 38°C while dancing. (Ts= 38.0°C)
k=0.025991 W/m'C, Pr=0.72778, V= 1.6221×10-5 m?/s, hai=100 W/m? °C, o=5.6703x108 w/m².Kª,
e=0.99 (thermal radiation emissivity of human body)
Group 4,5,6: L: 1.75 cm, D: 115 cm, N: 34](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fca0c94b8-d6f4-4def-8cf2-8f14f8247f64%2F5c045167-55a2-48ca-aebc-d5894f76ecb4%2F1b776zg_processed.png&w=3840&q=75)
Transcribed Image Text:4.1. A group of N dancers are dancing in a dancing session in a 70 m2 isolated gym initially at 25°C. As
the party started, the participants started to dance to soft music. While dancing, the temperature of the
body raises from 37.5°C to 38°C.
a) What is the total heat transfer rate from dancers to the room?
b) What is the final temperature of the room?
Assumptions :
a) The average height of a person is L cm.
b) The average diameter of shoulder is D cm.
c) The human body temperature maintains at a temperature of 38°C while dancing. (Ts= 38.0°C)
k=0.025991 W/m'C, Pr=0.72778, V= 1.6221×10-5 m?/s, hai=100 W/m? °C, o=5.6703x108 w/m².Kª,
e=0.99 (thermal radiation emissivity of human body)
Group 4,5,6: L: 1.75 cm, D: 115 cm, N: 34
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