Investigation of the Aerodynamical Specifics of the Blind-End Entries Ventilated by Turbulent Diffusion

Govorukhin, Yu.M.; Krivolapov, V.G.; Paleev, D. Yu.

doi:10.46689/2218-5194-2020-1-1-392-400

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2020

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“…To study the aerodynamic processes in dead-end entries, numerical modeling is performed. For this purpose, the open source OpenFOAM package (The OpenFOAM Foundation Ltd) [5][6][7] was used. To prepare the initial data, such as specifying the geometry of the computational domain, constructing a grid, and setting boundary conditions, a multi-block grid generator, blockMesh, was selected.…”

Section: Introductionmentioning

confidence: 99%

Numerical Studies of the Aerodynamic Features of Dead-end Entries with Side Junction

et al. 2020

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Investigations of aerodynamic processes occurring in dead-end short entriesaired by turbulent diffusion have been performed. The numerical simulation of the processes of air movement through the entry, flow stalling at the junction with the dead-end entry (for side junction), and the formation of vortices at the dead end have been carried out. The study has been done for a wide range of air flows submitted for computation of air consumption and for various geometric parameters of the dead-end entry. The sizes of the vortex structures and the flow rates in the dead endshave been determined. Based on the results of processing the simulation data, we obtained graphs of the dependences between the length of the ventilated zone of the dead end and its height and width.

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Section: Introductionmentioning

confidence: 99%