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Journal of Zhejiang University SCIENCE A 2002 Vol.3 No.2 P.157-161


Simulating confined swirling gas-solid two phase jet

Author(s):  JIN Han-hui, XIA Jun, FAN Jian-ren, CEN Ke-fa

Affiliation(s):  Department of Energy Engineering, Zhejiang University, Hangzhou, 310027, China

Corresponding email(s):   fanjr@mail.hz.zj.cn

Key Words:  A k-ε, -kp multi-fluid model, Two phase flow, Confined swirling jet

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JIN Han-hui, XIA Jun, FAN Jian-ren, CEN Ke-fa. Simulating confined swirling gas-solid two phase jet[J]. Journal of Zhejiang University Science A, 2002, 3(2): 157-161.

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A1 - JIN Han-hui
A1 - XIA Jun
A1 - FAN Jian-ren
A1 - CEN Ke-fa
J0 - Journal of Zhejiang University Science A
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DOI - 10.1631/jzus.2002.0157

a k-ε;-kp multi-fluid model was used to simulate confined swirling gas-solid two phase jet comprised of particle-laden flow from a center tube and a swirling air stream entering the test section from the coaxial annular. After considering the drag force between the two phases and gravity, a series of numerical simulations of the two-phase flow of 30 μm, 45 μm, 60 μm diameter particles were performed on a x×r=50×50 mesh grid respectively. The results showed that the k-ε-kp multi-fluid model can be applied to predict moderate swirling multi-phase flow. When the particle diameter is large, the collision of the particles with the wall will influence the prediction accuracy. The bigger the diameter of the particles, the stronger the collision with the wall, and the more obvious the difference between measured and calculated results.

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