31 - Condensation

Comparing equations of horizontal and vertical condensation, we get \[\frac{h_{m,\text{vert}}}{h_{m,\text{horiz}}} = 1.30\left(\frac{D}{L} \right)^{1/4}\] For \(L=2.87\;D\), \[\frac{h_{m,\text{horiz}}}{h_{m,\text{vert}}} = 1\] For \(L=100D\), \[\frac{h_{m,\text{horiz}}}{h_{m,\text{vert}}} = 2.44\] With this consideration, horizontal tube arrangements are generally preferred to vertical tube arrangements in condenser design.