## Question

# Consider a person standing in a room where the average wall temperature is 20 C. This person is trying to reach the thermal comfort

## Consider a person standing in a room where the average wall temperature is 20 C. This person is trying to reach the "thermal comfort" by adjusting the A/C air temperature. Find out the appropriate air temperature to set. Assume that this person is just standing relaxed. Consider the human average surface area and temperature to be 1.6 m and 29 C, respectively. The convection heat transfer coefficient, air emissivity, and Boltzmann's constant are 6 W/mK, 0.95, and 5.67e-8 W/m2.K, respectively. 29C Qconv rad

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### Fundamentals of Thermal-Fluid Sciences

**Authors:** Yunus A. Cengel, Robert H. Turner, John M. Cimbala

5th edition

78027680, 78027683, 9781760421359, 978-0078027680

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