A student performs two experiences, in experience 1 he extends his hand from the window while the car is moving. In experience 2 he immersed his hand in a stream of water. Knowing that the heat convective coefficient of air is 100 W/m^2.K and the heat convective coefficient of water is 1000 W/m^2.K. The skin temperature is assumed to be 33 C and both water and air are at 10 C. Determine in which experience he felt cooler. a. Both experiences provide the same feeling ○ b. Experience 1 ○ c. Experience 2
A student performs two experiences, in experience 1 he extends his hand from the window while the car is moving. In experience 2 he immersed his hand in a stream of water. Knowing that the heat convective coefficient of air is 100 W/m^2.K and the heat convective coefficient of water is 1000 W/m^2.K. The skin temperature is assumed to be 33 C and both water and air are at 10 C. Determine in which experience he felt cooler. a. Both experiences provide the same feeling ○ b. Experience 1 ○ c. Experience 2
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter7: Forced Convection Inside Tubes And Ducts
Section: Chapter Questions
Problem 7.55P
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please very urgent i need the right answer please carfully
![A student performs two experiences, in
experience 1 he extends his hand from the
window while the car is moving. In experience 2
he immersed his hand in a stream of water.
Knowing that the heat convective coefficient of
air is 100 W/m^2.K and the heat convective
coefficient of water is 1000 W/m^2.K. The skin
temperature is assumed to be 33 C and both
water and air are at 10 C. Determine in which
experience he felt cooler.
a. Both experiences provide the same
feeling
○ b. Experience 1
○ c. Experience 2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5f79bee9-bc3f-4f76-9b99-7d8c8c16ca67%2F3b4f9d9e-e8d1-474e-a1a2-f3ea30ce827a%2F3kajx_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A student performs two experiences, in
experience 1 he extends his hand from the
window while the car is moving. In experience 2
he immersed his hand in a stream of water.
Knowing that the heat convective coefficient of
air is 100 W/m^2.K and the heat convective
coefficient of water is 1000 W/m^2.K. The skin
temperature is assumed to be 33 C and both
water and air are at 10 C. Determine in which
experience he felt cooler.
a. Both experiences provide the same
feeling
○ b. Experience 1
○ c. Experience 2
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