Film condensation on vertical tubes

Input(s)

k: Thermal Conductivity (g m/s s s K)

\(\rho\): Density \((\mathrm{g} / \mathrm{cc})\)

g: Gravitational Accelaration (m/s s)

\(\mu\): Viscosity (cP)

\(\tau\): Rate of Condensate Flow per Unit Width to Bottom \(\left(\mathrm{m}^{2} / \mathrm{s}\right)\)

\(\boldsymbol{T d}\): Dew Point Temperature (K)

To: Temperature Outlet \((\mathrm{K})\)

L: Length \((\mathrm{m})\)

\(\boldsymbol{H}_{\text {vap }}\): Heat of Vaporization (N)

Output(s)

\(\boldsymbol{h}_{\boldsymbol{m} \boldsymbol{l}}\): Laminar Coefficient of Heat Transfer \((\mathrm{W} / \mathrm{m} \mathrm{K})\)

\(\boldsymbol{h}_{\boldsymbol{m} \boldsymbol{t}}\): Turbulent Coefficent of Heat Transfer (W/m K)

Formula(s)

Reference(s)

Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons, Chapter: 14, Page: 447.