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WorksheetsFinite element modelling for mechanical and thermal system
Total questions: 17
Worksheet time: 9mins
The specific heat is the amount of heat required to increase the temperature of a one unite of mass of a material by 1°C.
True
False
The unit of the specific heat is W/(m.kg)
True
False
The thermal conductivity is the capacity of a material in storing heat
False
True
The thermal conductivity is the capacity of a material in letting heat passing through it.
True
False
The unit of the thermal conductivity is W/(m.°C)
True
False
This equation is called Fourier's law.
True
False
This equation represents the energy conservation
True
False
This equation is obtained using the idea that heat flux increases with temperature gradient.
True
False
The heat flux is meseaured in
J
W
J/kg
W/s
The heat flux is maximum when the temperature difference is zero
False
True
The thermal conductivity of copper is higher than wood
True
False
For the same temeprature difference and surface, the heat flux through copper is lower than through wood.
True
False
For same temperature difference the heat flux into a room is larger than that in the toilette.
True
False
The equation of heat transfer in solids is:
The equation of heat transfer in fluids is:
The equation of heat transfer in porous media is:
In this equation (ρCP)m is given by:
