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The effect of the B...
The effect of the Basset history force on particle clustering in homogeneous and isotropic turbulence
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Olivieri, S. (författare)
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- Picano, Francesco (författare)
- KTH,Mekanik,SeRC - Swedish e-Science Research Centre,Linné Flow Center, FLOW
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- Sardina, Gaetano (författare)
- Stockholms universitet,KTH,Mekanik,SeRC - Swedish e-Science Research Centre,Linné Flow Center, FLOW,Meteorologiska institutionen (MISU),Royal Institute of Technology
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Iudicone, D. (författare)
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- Brandt, Luca (författare)
- KTH,Mekanik,SeRC - Swedish e-Science Research Centre,Linné Flow Center, FLOW
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(creator_code:org_t)
- AIP Publishing, 2014
- 2014
- Engelska.
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Ingår i: Physics of fluids. - : AIP Publishing. - 1070-6631 .- 1089-7666. ; 26:4, s. 041704-
- Relaterad länk:
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http://arxiv.org/pdf...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- We study the effect of the Basset history force on the dynamics of small particles transported in homogeneous and isotropic turbulence and show that this term, often neglected in previous numerical studies, reduces the small-scale clustering typical of inertial particles. The contribution of this force to the total particle acceleration is, on average, responsible for about 10% of the total acceleration and particularly relevant during rare strong events. At moderate density ratios, i.e., sand or metal powder in water, its presence alters the balance of forces determining the particle acceleration.
Ämnesord
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- Reynolds-Number
- Heavy-Particles
- Flow
- Velocity
- Acceleration
- Combustion
- Simulation
- Motion
- Sphere
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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