A 20 degree C room is heated with a 2000 W electric baseboar

A 20 degree C room is heated with a 2000 W electric baseboard heater. The air is at the same temperature of the room. What is the rate of irreversibility, I? (I = T_o S_gen) Let us not consider any storage in the room or any heat loss but just the effect of the heating process. Electric power comes in to the heater and leaves as heat transfer to the room air.

Solution

room tempreture ,t=20c

T=273+20=293k

irrereversibility ,I=ToSgen

To=273k,Sgen= eletric basebord heater/ temp,

I=273*2000/293=1863.48

therefore irrereversibility, I=1863.48