Direct numerical simulation: a tool in turbulence research
▪ Abstract We review the direct numerical simulation (DNS) of turbulent flows. We stress that
DNS is a research tool, and not a brute-force solution to the Navier-Stokes equations for …
DNS is a research tool, and not a brute-force solution to the Navier-Stokes equations for …
Passive scalars in turbulent flows
Z Warhaft - Annual Review of Fluid Mechanics, 2000 - annualreviews.org
▪ Abstract Passive scalar behavior is important in turbulent mixing, combustion, and pollution
and provides impetus for the study of turbulence itself. The conceptual framework of the …
and provides impetus for the study of turbulence itself. The conceptual framework of the …
Direct numerical simulation of a passive scalar with imposed mean gradient in isotropic turbulence
MR Overholt, SB Pope - Physics of Fluids, 1996 - pubs.aip.org
Mixing of a passive scalar in statistically homogeneous, isotropic, and stationary turbulence
with a mean scalar gradient is investigated via direct numerical simulation, for Taylor-scale …
with a mean scalar gradient is investigated via direct numerical simulation, for Taylor-scale …
Deep learning of turbulent scalar mixing
Based on recent developments in physics-informed deep learning and deep hidden physics
models, we put forth a framework for discovering turbulence models from scattered and …
models, we put forth a framework for discovering turbulence models from scattered and …
A fractional subgrid-scale model for turbulent flows: Theoretical formulation and a priori study
M Samiee, A Akhavan-Safaei, M Zayernouri - Physics of Fluids, 2020 - pubs.aip.org
Coherent structures/motions in turbulence inherently give rise to intermittent signals with
sharp peaks, heavy-skirt, and skewed distributions of velocity increments, highlighting the …
sharp peaks, heavy-skirt, and skewed distributions of velocity increments, highlighting the …
The linear-eddy model
S Menon, AR Kerstein - … combustion modeling: advances, new trends and …, 2011 - Springer
Regime-independent modeling is important for accurate simulation of the complex
combustor designs needed to meet increasingly stringent performance requirements. One …
combustor designs needed to meet increasingly stringent performance requirements. One …
Turbulent mixing simulation via a quantum algorithm
Probability density function (PDF) methods have been very useful in describing many
physical aspects of turbulent mixing. In applications of these methods, modeled PDF …
physical aspects of turbulent mixing. In applications of these methods, modeled PDF …
Direct numerical simulation and subgrid analysis of a transitional droplet laden mixing layer
Direct numerical simulations of a temporally developing, droplet laden mixing layer
undergoing transition to mixing turbulence are conducted. The formulation includes …
undergoing transition to mixing turbulence are conducted. The formulation includes …
High-resolution flow structure measurements in a rod bundle
AT Ylönen - 2013 - inis.iaea.org
Flow behaviour inside a rod bundle has been an active research topic since the early days
of the nuclear power industry. Of particular interest in previous studies have been topics …
of the nuclear power industry. Of particular interest in previous studies have been topics …
Conditional source-term estimation as a method for chemical closure in premixed turbulent reacting flow
Abstract A Conditional Source-term Estimation (CSE) model is used to close the mean
reaction rates for a turbulent premixed flame. A product-based reaction progress variable is …
reaction rates for a turbulent premixed flame. A product-based reaction progress variable is …