Calculation grid and turbulence model for numerical simulating pressure fluctuations in high-speed train tunnel
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Central South University"
DOI: 10.1007/s11771-019-4220-6
Abstract: Calculation grid and turbulence model for numerical simulating pressure fluctuations in a high-speed train tunnel are studied through the comparison analysis of numerical simulation and moving model test. Compared the waveforms and peak-peak values of… read more here.
Keywords: turbulence model; model; numerical simulating; pressure fluctuations ... See more keywords
Four equation k-omega based turbulence model with algebraic flux for supercritical flows
Sign Up to like & getrecommendations! Published in 2019 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2018.09.024
Abstract: Abstract Hydrocarbon and nuclear fuels will contribute substantially to the growing global energy portfolio for some time to come. At the same time atmospheric carbon levels and economic concerns are increasingly shaping the power generation… read more here.
Keywords: buoyancy; turbulence; supercritical flows; four equation ... See more keywords
A numerical investigation of two-degree-of-freedom VIV of a circular cylinder using the modified turbulence model
Sign Up to like & getrecommendations! Published in 2018 at "Ocean Engineering"
DOI: 10.1016/j.oceaneng.2018.02.051
Abstract: Abstract To simulate the fluctuating lift and resistance of the cylinder in vortex-induced vibration (VIV) accurately, the shear-stress transport (SST) turbulence model is modified in this paper. Then the correctness of the modified model is… read more here.
Keywords: turbulence model; model; cylinder; modified turbulence ... See more keywords
Numerical simulation of wind turbine wake based on extended k‐epsilon turbulence model coupling with actuator disc considering nacelle and tower
Sign Up to like & getrecommendations! Published in 2020 at "Iet Renewable Power Generation"
DOI: 10.1049/iet-rpg.2020.0416
Abstract: The Reynolds-averaged Navier–Stokes (RANS) method coupling with the actuator disc model (ADM) is considered as a promising numerical simulation technology of wind turbine wake, and it is widely utilised in the aerodynamics of wind turbines… read more here.
Keywords: wind turbine; turbulence model; wind; turbine wake ... See more keywords
Dynamic behavior of fine particles in dry medium-intensity magnetic separator based on k–ε turbulence model and low reynolds number k–ε turbulence model
Sign Up to like & getrecommendations! Published in 2020 at "Separation Science and Technology"
DOI: 10.1080/01496395.2020.1768118
Abstract: ABSTRACT To investigate the dynamic behavior of fine particles under the action of airflow, the airflow in the dry medium-intensity magnetic separator need to be accurately simulated. In this study, k–ε and low Reynolds number… read more here.
Keywords: behavior fine; turbulence model; turbulence; fine particles ... See more keywords
A universally applicable 0D turbulence model based on the physical analysis of fundamental tumble behaviors in spark-ignition engines
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Engine Research"
DOI: 10.1177/14680874221109776
Abstract: Predicting turbulence in a zero-dimensional (0D) simulation is an undeniably challenging task due to the complexity of in-cylinder charge motion. In that respect, a physics-based understanding of in-cylinder flow phenomena is of vital importance for… read more here.
Keywords: turbulence model; proposed model; tumble behaviors; engine ... See more keywords
Dynamic Stall Prediction of a Pitching Airfoil using an Adjusted Two-Equation URANS Turbulence Model
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Fluid Mechanics"
DOI: 10.18869/acadpub.jafm.73.238.26391
Abstract: The necessity in the analysis of dynamic stall becomes increasingly important due to its impact on many streamlined structures such as helicopter and wind turbine rotor blades. The present paper provides Computational Fluid Dynamics (CFD)… read more here.
Keywords: turbulence model; urans turbulence; dynamic stall; two equation ... See more keywords
Comparison of Conventional and Modified Burners in Performance with Different Fuels using a Linear and a Non-linear Eddy-viscosity Turbulence Model
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Fluid Mechanics"
DOI: 10.29252/jafm.12.06.29870
Abstract: Energy sources must be used efficiently to provide the sufficient amount of energy for the still-growing population in the world, already threatened by the effects of global warming. The significant increase in the use of… read more here.
Keywords: linear non; non linear; turbulence; performance ... See more keywords
An Entropy-Assisted Shielding Function in DDES Formulation for the SST Turbulence Model
Sign Up to like & getrecommendations! Published in 2017 at "Entropy"
DOI: 10.3390/e19030093
Abstract: The intent of shielding functions in delayed detached-eddy simulation methods (DDES) is to preserve the wall boundary layers as Reynolds-averaged Navier–Strokes (RANS) mode, avoiding possible modeled stress depletion (MSD) or even unphysical separation due to… read more here.
Keywords: turbulence model; shielding function; ddes formulation; model ... See more keywords