Turbulence statistics analysis of cross flow and heat transfer over an inline tube bundle using DNS

Xie, Xiaoyang; Luo, Yunhao; Zhao, Houjian; Li, Xiaowei; Wu, Xinxin

doi:10.1016/j.ijheatfluidflow.2024.109408

International Journal of Heat and Fluid Flow

2024

DOI: 10.1016/j.ijheatfluidflow.2024.109408

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Turbulence statistics analysis of cross flow and heat transfer over an inline tube bundle using DNS

Xiaoyang Xie,

Yunhao Luo,

Houjian Zhao

et al.

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2024

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Cited by 2 publications

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Characteristics of Coal Dust Deposition in Boiler Tail Gas Pipelines

Liu,

Wang,

2024

MATEC Web of Conf.

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Coal dust deposition in boiler tail gas pipelines can significantly affect boilers’ thermal and energy efficiency. This study investigates the deposition characteristics of coal dust particles in boiler tail gas tubes in variable cross-section tubes. Numerical simulations were performed using the Reynolds Stress Model and the Discrete Particle Model. User-defined functions coding is used to construct the particle deposition model in the particle deposition model. The study analyses the distribution of turbulent kinetic energy locations in the gradient tube, compares the distribution of particle deposition on its wall, and concludes that the deposition distribution of coal dust particles in the gradient tube is slightly different for different particle sizes. Smaller particles have a higher deposition efficiency in equal cross-section pipes than larger particles. Particle size also has a significant effect on pipe taper and expansion. The results of this study can provide theoretical guidance for optimising the design of boiler tail gas pipelines, improving energy efficiency, and reducing environmental pollution.

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Characteristics of Coal Dust Deposition in Boiler Tail Gas Pipelines

Liu,

Wang,

2024

MATEC Web of Conf.

View full text Add to dashboard Cite

show abstract

Characteristics of Coal Dust Deposition in Boiler Tail Gas Pipelines

Liu,

Wang,

2024

MATEC Web of Conf.

View full text Add to dashboard Cite

show abstract

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Turbulence statistics analysis of cross flow and heat transfer over an inline tube bundle using DNS

Cited by 2 publications

References 42 publications

Characteristics of Coal Dust Deposition in Boiler Tail Gas Pipelines

Characteristics of Coal Dust Deposition in Boiler Tail Gas Pipelines

Characteristics of Coal Dust Deposition in Boiler Tail Gas Pipelines

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