Scipediacontent at 12:23, 15 February 2022

2022-02-15T12:23:22Z

Scipediacontent: Scipediacontent moved page Draft Content 688083795 to Kiss et al 2022a

2022-02-15T11:25:33Z

Scipediacontent moved page Draft Content 688083795 to Kiss et al 2022a

Scipediacontent: Created page with "== Abstract == Particle clusters form in the turbulent flow of boilers and furnaces when injecting pulverized coal. We study the difference in conversion behavior between a p..."

2022-02-15T11:25:29Z

Created page with "== Abstract == Particle clusters form in the turbulent flow of boilers and furnaces when injecting pulverized coal. We study the difference in conversion behavior between a p..."

New page

== Abstract ==

Particle clusters form in the turbulent flow of boilers and furnaces when injecting pulverized coal. We study the difference in conversion behavior between a pul verized coal cluster and a single char particle. The simulations are done using a detailed particle model in OpenFOAM.The detailed particle model is capable of spatially resolv ing char particles and solving transport equations for heat and mass inside the particles.
Furthermore, a surface chemistry model is employed for modeling gas-solid reactions in side the pores of the particles. The char particles are coupled to the surrounding bulk fluid phase using explicit Robert-Neuman coupling. 2-D simulations are carried out for a cluster of 16 particles and a single particle. Both simulations use the same initial con ditions, boundary conditions and particle properties. The results indicate that a lack of
oxygen penetration toward the center of the particle cluster alters the thermo-chemical conversion behavior when compared to the single particle. On average this leads to a
decrease of the thermo-chemical conversion rates for particles in the cluster, resulting in a reduction of solid carbon consumption compared to the same number of single particles.

== Video ==
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== Document ==
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Kiss et al 2022a - Revision history

Scipediacontent at 12:23, 15 February 2022

Scipediacontent: Scipediacontent moved page Draft Content 688083795 to Kiss et al 2022a

Scipediacontent: Created page with "== Abstract == Particle clusters form in the turbulent flow of boilers and furnaces when injecting pulverized coal. We study the difference in conversion behavior between a p..."