Results 151 to 160 of about 25,672 (196)
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Combustion Science and Technology, 2007
Spark ignition in inhomogeneous mixtures is numerically studied using three-dimensional compressible Direct Numerical Simulations (DNS) with simplified chemistry. The thermal effect of the spark is represented by a Gaussian power distribution in the energy transport equation. Success of the spark ignition and subsequent self-sustained flame propagation
Chakraborty N, Cant RS, Mastorakos E
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Spark ignition in inhomogeneous mixtures is numerically studied using three-dimensional compressible Direct Numerical Simulations (DNS) with simplified chemistry. The thermal effect of the spark is represented by a Gaussian power distribution in the energy transport equation. Success of the spark ignition and subsequent self-sustained flame propagation
Chakraborty N, Cant RS, Mastorakos E
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Flow, Turbulence and Combustion, 2008
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Klein M, Chakraborty N, Cant RS
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zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Klein M, Chakraborty N, Cant RS
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2023
Particle-resolved direct numerical simulations (PR-DNS) play an increasing role in investigating aerosol-cloud-turbulence interactions at the most fundamental level of processes. However, the high computational cost associated with high resolution simulations poses considerable challenges for large domain or long duration simulation using PR-DNS.
Tao Zhang +7 more
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Particle-resolved direct numerical simulations (PR-DNS) play an increasing role in investigating aerosol-cloud-turbulence interactions at the most fundamental level of processes. However, the high computational cost associated with high resolution simulations poses considerable challenges for large domain or long duration simulation using PR-DNS.
Tao Zhang +7 more
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Computational Mechanics, 2014
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Bishay, Peter L. +2 more
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zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Bishay, Peter L. +2 more
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Measurement Science and Technology, 2009
The effect of limited spatial resolution for hot-wire anemometry (HWA) is investigated by analysing the two-dimensional energy spectra from direct numerical simulation (DNS) of turbulent channel flow at Reτ ≈ 950. Various spanwise filter lengths are applied to the streamwise velocity components in order to mimic the limited spatial resolution of a ...
C C Chin +3 more
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The effect of limited spatial resolution for hot-wire anemometry (HWA) is investigated by analysing the two-dimensional energy spectra from direct numerical simulation (DNS) of turbulent channel flow at Reτ ≈ 950. Various spanwise filter lengths are applied to the streamwise velocity components in order to mimic the limited spatial resolution of a ...
C C Chin +3 more
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Direct Numerical Simulation (DNS) on the Influence of Grid Refinement for the Process of Splashing
2009The physical process of a drop impact on a thin liquid film is studied numerically with a VOF based code for a Weber number close to the critical Weber number. At this, the influence of the grid resolution is examined. Therefore, the process was simulated on four different three-dimensional grids with a refinement factor of two in each dimension ...
Hassan Gomaa +3 more
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Computational Materials Science, 2014
Abstract We consider a class of piezoelectric materials with defects, voids, and/or elastic dielectric or piezoelectric inclusions. We develop computationally highly efficient as well as mathematically highly accurate methods for the Direct Numerical Simulation (DNS) of micro/meso mechanics of such materials, for the purposes of: 1.
Peter L. Bishay, Satya N. Atluri
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Abstract We consider a class of piezoelectric materials with defects, voids, and/or elastic dielectric or piezoelectric inclusions. We develop computationally highly efficient as well as mathematically highly accurate methods for the Direct Numerical Simulation (DNS) of micro/meso mechanics of such materials, for the purposes of: 1.
Peter L. Bishay, Satya N. Atluri
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Numerical Heat Transfer, Part B: Fundamentals, 2009
The isothermal wake from a circular cylinder at Reynolds number Re = 300 is analyzed numerically by direct numerical simulation (DNS). The DNS noise, anisotropic turbulence, and vortex dislocation mechanism are elucidated as follows: The coordinates x, y, and z are the vertical direction, horizontal direction perpendicular to the cylinder axis, and ...
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The isothermal wake from a circular cylinder at Reynolds number Re = 300 is analyzed numerically by direct numerical simulation (DNS). The DNS noise, anisotropic turbulence, and vortex dislocation mechanism are elucidated as follows: The coordinates x, y, and z are the vertical direction, horizontal direction perpendicular to the cylinder axis, and ...
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Direct numerical simulation (DNS) modeling of PEFC electrodes
Electrochimica Acta, 2006Guoqing Wang +2 more
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Direct Numerical Simulation (DNS) of Premixed Turbulent V-Flames
39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, 2003Luc Vervisch, R. Hauguel, P. Domingo
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