单层平壁的热传导
式中Δt=t1-t2为导热的推动力(driving force),而R=b/λA则为导热的热阻(thermal resistance).
根据傅立叶定律
分离积分变量后积分,积分边界条件:当x=0时,t= t1;x=b时,t= t2,
单层平壁的热传导
式中Δt=t1-t2为导热的推动力(driving force),而R=b/λA则为导热的热阻(thermal resistance).
根据傅立叶定律
分离积分变量后积分,积分边界条件:当x=0时,t= t1;x=b时,t= t2,