Paper presented to the 10th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Florida, 14-16 July 2014.
Small particles could be as active agents interact with not
only velocity field but also temperature field. Understanding
and prediction of heat transfer between particle-laden turbulent
flow and adjacent wall are of great interest in both applications
and fundamentals. In this work, we employ direct numerical
simulation and simultaneous Lagrangian tracking to study the
influence of inertial particle with different particle thermal
response time on heat transfer in particle-laden turbulent
channel considering particle–turbulence momentum and energy
interaction. As a result, the thermal feedback of the particle has
always positive contribution to turbulent heat transfer and the
thermal feedback effect gradually strength as the particles
specific heat capacity increases.
Breytenbach, Izak Johannes; Anochie-Boateng, J.K.; Paige-Green, Philip; Van Rooy, J.L. (Jan Louis)(South African Institution of Civil Engineering, 2013-10)
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