Heat transfer

Heat transfer problem 17

When building a house, two wall materials are considered: a 10 cm thick boards with thermal conductivity and a 30 cm thick bricks with thermal conductivity .

  • Which material is suitable for the wall so that little heat is lost from the house?

  • How many centimeters thicker should the inferior insulator be in order for the heat flows through both materials to be the same?


material editor: Habeeb Adenle