Heat current
= Heat current
{title2=$\dot Q$}
A <heat current> is a rate of <heat transfer> across a specified boundary. Its sign requires a chosen direction; unlike <heat flux>, it is not a rate per unit <area>.
= Heat current
{title2=$\dot Q$}
A <heat current> is a rate of <heat transfer> across a specified boundary. Its sign requires a chosen direction; unlike <heat flux>, it is not a rate per unit <area>.