Calculation of momentum flux

Input(s)

μ\mu: Fluid Viscosity (cP)(\mathrm{cP})

dvx\boldsymbol{d} \boldsymbol{v}_{\boldsymbol{x}}: Change in Velocity in the x\mathrm{x}-direction (ft/s)(\mathrm{ft} / \mathrm{s})

dyd y: Plate Separation in the yy-direction (ft)

Output(s)

τyx\boldsymbol{\tau}_{y x}: Momentum Flux (lbf/ft2)\left(\mathrm{lb} \mathrm{f} / \mathrm{ft}^{2}\right)

Formula(s)

τyx=(2.0886105)μdvxdy\tau_{y x}=-\left(2.0886 * 10^{-5}\right) * \mu * \frac{d v_{x}}{d y}

Reference(s)

Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second ed.). John Wiley & Sons, Chapter: 1, Page: 15.


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