You have to do thermal analysis of a building near an arctic observatory, which has a footprint of 8-mx 12-m and height of 4-m and oriented as shown. The ambient air temperature is -15°C and it is blowing at a velocity of 3.2 m/s from East to West parallel to the front wall. The sky temperature is -5°C. The surface temperature of the building is kept uniform at 15°C. What is the total convective heat transfer rate from the front wall of the building?

You have to do thermal analysis of a building near an arctic observatory, which has a footprint of 8-mx 12-m and height of 4-m and oriented as shown. The ambient air temperature is -15°C and it is blowing at a velocity of 3.2 m/s from East to West parallel to the front wall. The sky temperature is -5°C. The surface temperature of the building is kept uniform at 15°C. What is the total convective heat transfer rate from the front wall of the building?

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 1.68P

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**Thermal Analysis of an Arctic Observatory Building**

**Problem Statement:**
You need to conduct a thermal analysis of a building located near an arctic observatory. The building has a footprint of 8 meters by 12 meters and a height of 4 meters, oriented as shown in the diagram. The ambient air temperature is -15°C, and the wind is blowing at a velocity of 3.2 m/s from east to west, parallel to the front wall. The sky temperature is -5°C, and the surface temperature of the building is maintained at 15°C. Determine the total convective heat transfer rate from the front wall of the building.

**Solution:**
The total convective heat transfer rate from the front wall is calculated to be 11668 W.

**Diagram Explanation:**
The diagram is a 3D representation of the building, showing its orientation with respect to the cardinal directions:
- The building is rectangular with the longer side (12 meters) oriented from west to east and the shorter side (8 meters) from south to north.
- The height of the building is 4 meters.
- The wind direction is shown, blowing from the east towards the west against the building’s front wall (facing east).

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