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Turbulent diffusion...
Turbulent diffusion of chemically reacting flows : Theory and numerical simulations
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- Elperin, T. (författare)
- Ben Gurion University of the Negev
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- Kleeorin, N. (författare)
- Ben Gurion University of the Negev
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- Liberman, Michael A. (författare)
- Stockholms universitet,Stockholm University,KTH,Nordic Institute for Theoretical Physics NORDITA,Stockholms University, Sweden,Nordiska institutet för teoretisk fysik (Nordita)
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- Lipatnikov, Andrei, 1961 (författare)
- Chalmers University of Technology,Chalmers tekniska högskola
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- Rogachevskii, I. (författare)
- Ben Gurion University of the Negev
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- Yu, R. (författare)
- Lund University,Lunds universitet,Strömningsteknik,Institutionen för energivetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Fluid Mechanics,Department of Energy Sciences,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- American Physical Society, 2017
- 2017
- Engelska.
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Ingår i: Physical review. E. - : American Physical Society. - 2470-0045 .- 2470-0053. ; 96:5
- Relaterad länk:
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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https://research.cha...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- The theory of turbulent diffusion of chemically reacting gaseous admixtures developed previously [T. Elperin et al., Phys. Rev. E 90, 053001 (2014)] is generalized for large yet finite Reynolds numbers and the dependence of turbulent diffusion coefficient on two parameters, the Reynolds number and Damkohler number (which characterizes a ratio of turbulent and reaction time scales), is obtained. Three-dimensional direct numerical simulations (DNSs) of a finite-thickness reaction wave for the first-order chemical reactions propagating in forced, homogeneous, isotropic, and incompressible turbulence are performed to validate the theoretically predicted effect of chemical reactions on turbulent diffusion. It is shown that the obtained DNS results are in good agreement with the developed theory.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Strömningsmekanik och akustik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Fluid Mechanics and Acoustics (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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