A novel, two-way coupled, dusty-gas flow model has been developed in the direct simulation Monte Carlo (DSMC) framework and employed for the dust-dispersion study on lunar surface. In this model, the gas–gas collisions are modeled probabilistically, whereas, grain–grain interactions are computed deterministically. Most importantly, the gas–grain interactions are modeled in a two-way coupled manner through the consideration of momentum and energy exchange between the two phases. The proposed model is validated against the two-phase theoretical relations for a zero-dimensional simulation. The computational model is used to study the dust dispersion problem due to plume impingement on lunar surface. The influence of particle diameter and hovering altitudes on gas and grain phases, and dust transportation are analyzed in the modified DSMC framework. Furthermore, the sensitivity of the two-way coupled gas–grain interaction model is discussed in relation to the one-way coupled model.
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May 2021
Research Article|
May 07 2021
Modeling of dusty gas flows due to plume impingement on a lunar surface Available to Purchase
Arun K. Chinnappan
;
Arun K. Chinnappan
Department of Aerospace Engineering,
Indian Institute of Technology Kanpur, Kanpur
, Uttar Pradesh 208016, India
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Rakesh Kumar
;
Rakesh Kumar
a)
Department of Aerospace Engineering,
Indian Institute of Technology Kanpur, Kanpur
, Uttar Pradesh 208016, India
a)Author to whom correspondence should be addressed: [email protected]. Tel.: 91-9411396999 and 91-5122596301
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Vaibhav K. Arghode
Vaibhav K. Arghode
Department of Aerospace Engineering,
Indian Institute of Technology Kanpur, Kanpur
, Uttar Pradesh 208016, India
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Arun K. Chinnappan
Department of Aerospace Engineering,
Indian Institute of Technology Kanpur, Kanpur
, Uttar Pradesh 208016, India
Rakesh Kumar
a)
Department of Aerospace Engineering,
Indian Institute of Technology Kanpur, Kanpur
, Uttar Pradesh 208016, India
Vaibhav K. Arghode
Department of Aerospace Engineering,
Indian Institute of Technology Kanpur, Kanpur
, Uttar Pradesh 208016, India
a)Author to whom correspondence should be addressed: [email protected]. Tel.: 91-9411396999 and 91-5122596301
Physics of Fluids 33, 053307 (2021)
Article history
Received:
February 17 2021
Accepted:
April 15 2021
Citation
Arun K. Chinnappan, Rakesh Kumar, Vaibhav K. Arghode; Modeling of dusty gas flows due to plume impingement on a lunar surface. Physics of Fluids 1 May 2021; 33 (5): 053307. https://doi.org/10.1063/5.0047925
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