Part A In this problem you will consider the balance of thermal energy radiated and absorbed by a person. Assume that the person is wearing only a skimpy bathing suit of negligible area. As a rough approximation, the area of a human body may be considered to be that of the sides of a cylinder of length L= 2.0 m and circumference C = 0.8 m. If the surface temperature of the skin is taken to be Tpody = 30°C, how much thermal power Prb does the body described in the introduction radiate? Take the emissivity to be e = 0.6. Express the power radiated into the room by the body numerically, rounded to the nearest 10 W. For the Stefan-Boltzmann constant use o = 5.67 x 10-8 W/m2 /K. > View Available Hint(s)
Part A In this problem you will consider the balance of thermal energy radiated and absorbed by a person. Assume that the person is wearing only a skimpy bathing suit of negligible area. As a rough approximation, the area of a human body may be considered to be that of the sides of a cylinder of length L= 2.0 m and circumference C = 0.8 m. If the surface temperature of the skin is taken to be Tpody = 30°C, how much thermal power Prb does the body described in the introduction radiate? Take the emissivity to be e = 0.6. Express the power radiated into the room by the body numerically, rounded to the nearest 10 W. For the Stefan-Boltzmann constant use o = 5.67 x 10-8 W/m2 /K. > View Available Hint(s)
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.
Chapter1: Basic Modes Of Heat Transfer
Section: Chapter Questions
Problem 1.48P: A horizontal, 3-mm-thick flat-copper plate, 1-m long and 0.5-m wide, is exposed in air at 27C to...
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