Maximum-velocity Vz-maximum of a falling film

Input(s)

ρ\rho: Density (kg/m3)\left(\mathrm{kg} / \mathrm{m}^{3}\right)

g: Gravitational Acceleration (m/s2)\left(\mathrm{m} / \mathrm{s}^{2}\right)

δ\boldsymbol{\delta}: Film Thickness (m)(\mathrm{m})

mu\mathrm{mu}: Viscosity (kg/(ms))(\mathrm{kg} /(\mathrm{ms}))

β\beta: Angle of inclination w.r.t direction of gravity (rad)

Output(s)

vz: Maximum Velocity (m/s)(\mathrm{m} / \mathrm{s})

Formula(s)

vz=ρgδ2cos(β)2μv z=\frac{\rho * g * \delta^{2} * \cos (\beta)}{2 * \mu}

Reference(s)

Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons, Page: 45 .


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