Q3. (20 marks) A solid cylinder of radius ni = 6 cm, length hi = 7.5 cm, emissivity 0.75, and temperature 50°C is suspen
Posted: Mon Nov 15, 2021 4:10 pm
Q3. (20 marks) A solid cylinder of radius ni = 6 cm, length hi = 7.5 cm, emissivity 0.75, and temperature 50°C is suspended in an environment of temperature 30°C. a) What is the cylinder's net thermal radiation transfer rate Pl? b) If the cylinder is stretched until its radius is 12 -1.5 cm, its net thermal radiation transfer rate becomes Pz. What is the ratio P2/P/? 20 AM