A spherical container of inner radius of 0.44 m and outer radius of 0.6 m with a thermal conductivity 18 W/m·K holds radioactive
waste that generates heat at 1 x 105 W/m3. The outer surface is exposed to a water flow with [infinity] 25°C and 750 W/m2·K. Find the heat transfer through the wall of container as well as the temperatures at the inside and outside surfaces of the container
1 answer:
Answer:
Explanation:
The concept of heat transfer is applied, by first equation the heat generated to the heat trasnfer by convection to get the temperature of the outer surface.
Also equating the head conducted to the heat generated to get the temperature of the inside surfaces. Tthe steps and detailed calculations is as shown in the attachment.
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Answer:
Explanation:
it is given that diameter = 8.6 cm
current =2.7 ampere
number of turns = 15
magnetic field =0.56 T
maximum torque= BINASINΘ for maximum torque sinΘ=1
so maximum torque==0.56×2.7×0.005806×15=0.13174 Nm