CFDEMcoupling-PFM/tutorials/cfdemSolverRhoPimple/HeatTransferRanzMarshall

Particle-fluid convection using the Ranz-Marshall correlation for the Nusselt number

based on

• J.M.H. Musser, Modeling of heat transfer and reactive chemistry for particles in gas-solid flow utilizing continuum-discrete methodology (CDM), PhD thesis, (2011)
• Z.Y. Zhou, A.B. Yu, P. Zulli, AIChE Journal, 55 (4), (2009)

Case parameters for a hot particle and cool air

parameter	value
box width	0.2376 m
box height	0.216 m
box thickness	0.2376 m
CFD time step size	5e-5 s
DEM time step size	1e-6 s
time simulated	20 s
number of fluid cells	11 x 11 x 10
number of particles	1
fluid density	1.1854 kg/m3
fluid velocity	6 m/s
fluid thermal conductivity	0.026 W/(K m)
fluid heat capacity	1007 J/(kg K)
fluid initial temperature	298.15 K
fluid dynamic viscosity	0.0000185 kg/(m s)
particle diameter	3.6 mm
particle density	8850 kg/m3
particle thermal conductivity	0.84 W/(K m)
particle heat capacity	55 J/(kg K)
particle initial temperature	373.15 K
Youngs modulus	5e9 Pa
Poisson ratio	0.3
coeff. of restitution	0.8
coeff. of friction	0.1