2010
DOI: 10.1007/s10808-010-0026-x
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Numerical study of a swirled turbulent flow in the separation zone of a centrifugal air separator

Abstract: A mathematical model of a swirled turbulent flow in the separation zone of a pneumatic centrifugal device is presented. The model is based on the known k-ω model of turbulence proposed by Wilcox. The influence of rotation of the separation-zone walls, input swirl of the gas flow, and other characteristic parameters on the mean velocity field is demonstrated. A comparison of parameters is performed, which reveals good agreement between the numerical and experimental results for a turbulent fluid flow between pa… Show more

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Cited by 5 publications
(3 citation statements)
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“…The reliability and efficiency of the developed method were tested by test and numerical calculations [8] and by comparing them with experimental data [9] obtained in the case of turbulent flow between plane-parallel disks in the direction from the periphery to the rotation axis. Figure 2 shows the experimental data [9] and the calculated dependence of the dimensionless radial velocity component u r on the dimensionless coordinate z at various distances from the rotation axis.…”
Section: Calculation Resultsmentioning
confidence: 99%
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“…The reliability and efficiency of the developed method were tested by test and numerical calculations [8] and by comparing them with experimental data [9] obtained in the case of turbulent flow between plane-parallel disks in the direction from the periphery to the rotation axis. Figure 2 shows the experimental data [9] and the calculated dependence of the dimensionless radial velocity component u r on the dimensionless coordinate z at various distances from the rotation axis.…”
Section: Calculation Resultsmentioning
confidence: 99%
“…Relation (8) can be written in projections on the axes of the cylindrical coordinate system in finite increments:…”
Section: Modeling Of Nonstationary Motion Of Particles and The Procesmentioning
confidence: 99%
“…Первая группа аппаратов не имеет в своей конструкции подвижных элементов, вторая, соответственно, имеет. Центробежные классификаторы предназначены для фракционирования частиц с граничным зерном, как правило, более 10-20 мкм [17,18].…”
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