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Multiphase Science and Technology
SJR: 0.124 SNIP: 0.222 CiteScore™: 0.26

ISSN Print: 0276-1459
ISSN Online: 1943-6181

Multiphase Science and Technology

DOI: 10.1615/MultScienTechn.v24.i4.20
pages 299-322

NUMERICAL MODELING OF GAS-SOLID FLOW IN A HORIZONTAL PIPE

Brundaban Patro
National Institute of Technology Warangal, Telangana 506004, India
S. Murugan
Department of Mechanical Engineering, National Institute of Technology, Rourkela-769008, Odisha, India
Pandaba Patro
Mechanical Engineering Department, Veer Surendra Sai University of Technology, Burla, Odisha 768018, India

ABSTRACT

This paper presents the numerical prediction of the pressure drop in a horizontal pipe with an internal diameter of 30 mm and length of 3000 mm. The validation is done using experimental data available in the literature, and good agreement is found. The effects of the particle diameter and particle density on the pressure drop in the pipe are analyzed. For the study, a three-dimensional horizontal pipe is used to numerically predict the static pressure drop in gas−solid flows by means of the computational fluid dynamics commercial software FLUENT 6.3. Different particle diameters ranging from 20 to 150 µm and particle densities ranging from 1000 to 2600 kg/m3 are used in the present simulations, along with the Euler−Euler approach, accounting for four-way coupling. The results indicate that the pressure drop rapidly increases with the particle diameter, reaches a peak value, and then begins to decrease. The results also show that the pressure drop increases with an increase in the particle density.


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