Question 4 The window of a room is made of 5 mm thick glass which has a thermal conductivity of 1.4 W/m-K. A heater is used to maintain the room temperature at 22 °C. Take the convection heat transfer coefficients on the outer surface of the window to be 12 W/m²-K. Take appropriate assumptions while solving this problem. (a) T₁-15°C TA -A- 1m x 3m 3m², k=1.4 W/m.K -T₂=5°C * L=0.005m Figure Q2 Find the convection heat transfer coefficients on the inner surface of the window.

Question 4 The window of a room is made of 5 mm thick glass which has a thermal conductivity of 1.4 W/m-K. A heater is used to maintain the room temperature at 22 °C. Take the convection heat transfer coefficients on the outer surface of the window to be 12 W/m²-K. Take appropriate assumptions while solving this problem. (a) T₁-15°C TA -A- 1m x 3m 3m², k=1.4 W/m.K -T₂=5°C * L=0.005m Figure Q2 Find the convection heat transfer coefficients on the inner surface of the window.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

HEAT TRANSFER: Combined Conduction and Convection
Consider a wall that is 5 m high, 8 m long, and 0.22 m thick. The thermal conductivities of the various materials used, in W/m °C, are kA = kF = 2, kB = 8, kC = 20, kD = 15 and kE = 35. The left and right surfaces of the wall are maintained at uniform temperatures of 300 °C and 100 °C, respectively. If the heat transfer through the wall is one-dimensional, determine (a) the rate of heat transfer through the wall; b) the temperature at the point where sections B, D, and E meet, and c) the temperature drop across section F. Disregard any contact resistances between the interfaces.
A house has walls made out of steel with the following properties: Thickness 300 mm Density kg/m3 7800 Thermal Conductivity w/m-K 50 Specific Heat Capacity Embodied J/kg-K 500 MJ/kg 26 Energy Cost $/kg 0.70 The time that it will take, in hours, for the interior temperature to start changing after the exterior is exposed to a sudden temperature is:
Heat is lost through the glass pane of a window. The thickness of the glass is 3 mm, and the window is 0.9 m by 1.8 m. The thermal conductivity of glass is 0.8 W/mK. If the temperature difference across the glass is 17 K, what is the total heat transfer through the pane of glass? Give your answer in Watts to the nearest integer.
A wood fire with a temperature of 1110F is at the other side of a 10 square ft wall that has a 6-inch layer of firebrick, 3-inch layer of concrete, and 6 inches of regular bricks. The thermal conductivity in Btu of each material is as follows: 0.27, 0.76, and 0.98 respectively hr-ft-° Solve for the heat conducted through this wall and the temperatures measured between the layers if the temperature at the other end of the wall is 150F?
Determine the resistance of an aluminium coil of 183 cm as diameter consists of 14500 turns and the mean length per turn is 4883 cm. Take the electrical conductivity of the aluminium coil as 0.37 MS/m. Solution: Area of Cross-section of the Coil (in m²) Total Length (in m) The Resistance of the Coil (in 2) o search
Express final answers in foursignificant figures.
Determine the resistance of an aluminium coil of 102 cm as diameter consists of 15900 turns and the mean length per turn is 3450 cm. Take the electrical conductivity of the aluminium coil as 0.2 MS/m. Solution: Area of Cross-section of the Coil (in m2) Total Length (in m) The Resistance of the Coil (in Q)