Lecture 03 : Classification of Heat Exchangers

[@devchinna8441]

Why does a condenser in a chiller or split AC outdoor unit have forced circulation even though fins are more effective in natural convection?

[@sahilgajbhiye0656]

ty very much sir

[@devchinna8441]

Why does a condenser in a chiller or split AC outdoor unit have forced circulation even though fins are more effective in natural convection?

[@AbhishekKumar-dh5vg]

Doesn't the (Total) heat transfer coefficient (U) depend and limited by the free convection HTC (h)/ the HTC on the air side since it is usually the smallest, hence, the greater the HT coefficient (h) the better the value of U and thus more the Heat Transfer