1 A cylindrical rod of length 1 64cm and cross sectional radius r 2 cm is placed at a distance 50r from an infrared point source

Question

1 A cylindrical rod of length 1 64cm and cross sectional radius r 2 cm is placed at a distance 50r from an infrared point source S of power 1 25kW as shown in fig 50r The lateral surface area of the rod is perfectly insulated from the surroundings The cross section A absorbs 80 of the incident energy and has temperature TA in steady state The surface B is radiating energy into space and the wavelength emitted by it with maximum energy density is 100 000 A The temperature of end B and value of TA if conductivity varies with temperature as K T T is Assume that the rate of flow of heat through the rod is steady Wein s constant 0 003mK A 200 K and 500 K B 400 K and 500 K C 300K and 500K D 300K and 400K

Kunduz · Accepted Answer

Click to see the answer