private formula

When both mass loading and volume fraction are very small

(say Φm < 10−3, Φv < 10−2), the back effect of particles on the flow

is typically unimportant, and only the effect of the carrier fluid

on the dynamics of the particles and their dispersion is important.

In this limit, the particle-laden flow is termed “one-way

coupled.”

Formula has warnings so can not be used - press "edit" below in order to fix.

Φ_{m} | mass loading (dimensionless) |

Φ_{v} | fractional volume occupied by particles (dimensionless) |

ρ_{p} | particle density (g/cm^{3}) |

ρ_{f} | fluid density (g/cm^{3}) |