Hi there, I\'m looking to solve 3-137. This was taken from Heat and Mass Transfe

Question

Hi there,

I'm looking to solve 3-137. This was taken from Heat and Mass Transfer, 5th edition.

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Consider the conditions of Example 3-14 in the text except that the ambient air is at a temperature of 30 degree C. A person with skin/fat layer thickness of 0.003 m is doing vigorous exercise which raises the metabolic heat generation rate from 700 to 7000 W/m^3 over a period of time. Calculate the perspiration rate required in lit/s so as to maintain the skin temperature at 34 degree C. Use the perspiration properties to be the same as that of liquid water at the average surface skin temperature of 35.5 degree C. 3-138 We are interested in steady state heat transfer analysis from a human forearm subjected to certain environmental conditions. For this purpose consider the forearm to be made up of muscle with thickness r_m with a skin/fat layer of thickness t_sf over it, as shown in the Figure P3-138. For simplicity approximate the forearm as a one-dimensional cylinder and ignore the presence of bones. The metabolic heat generation rate (e_m) and perfusion rate (p) are both constant throughout the muscle. The blood density and specific heat are rho_h and c_b respectively. The core body temperate (T_c) and the arterial blood temperature

Explanation / Answer

solution

To solve this problem 3.137 i need to question 3.14. i have no book of heat and mass transfer, 5 edition.

so, please post the question 3.14. Thank you.

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