21 - Convection - Introduction

Variables: \(h, D, v,\rho,\mu, k, C_P\)

Dimensions: \(M, L, t, T\) \[\begin{aligned} \text{No.\ of dimensionless numbers} &= \text{No.\ of variables} - \text{No.\ of dimensions} \\ &= 7-4=3 \end{aligned}\] \[\boxed{{\text{Nu} = \phi(\text{Re}, \text{Pr})}}\]