Heat Transfer

Heat transfer I Honelucion 1 conclusion :The mode of beat transper from anera It of the medium 10 other part without the actual m- overar or materials At A Q T. T2 l A= Area of cross- section Of conducion. D: Length of conductor T,ST Q &A Q l Q & AT Q x AAT Q&T l Q = KAATT K = Thermool conductivity

Thermal conductivity:A property of a conductor heat the to 10 pelect heat through it. unit I I roks mks or us MK Thermal electric Heal energy(Q) ochange (q) Temp cliffere - b potential cli- nce CAT) efference (v) B Heat current 0 Electric cu- (H) mone H = 9/t (3) = a/t ettermal resi- 0 Electric resi- Stance stance (R) RE AT R = V H I