problem 1:
prepare down comprehensive notes on following:
a) Thermal radiation and the electromagnetic spectrum.
b) Emissivity and the absorpivity.
c) Superposition rule and symmetry rule.
problem 2:
Two concentric cylinders having the diameters of 10 cm and 20 cm have a length of the 30 cm. Find out the view factor between the open ends of the cylinders.
problem 3:
Critically describe the effectiveness of heat exchanger. Derive the expression for effectiveness of double pipe parallel flow heat exchanger. Describe the assumptions made.
problem 4:
prepare down comprehensive notes on following:
a) Aerodynamic heating
b) Ablative cooling.