Statistical error estimation methods for engineering-relevant quantities from scale-resolving simulations

M Bergmann, C Morsbach… - Journal of …, 2022 - asmedigitalcollection.asme.org
Scale-resolving simulations, such as large eddy simulations, have become affordable tools
to investigate the flow in turbomachinery components. The resulting time-resolved flow field …

Evaluation of a near-wall-modeled large eddy lattice Boltzmann method for the analysis of complex flows relevant to IC engines

M Haussmann, F Ries, JB Jeppener-Haltenhoff, Y Li… - Computation, 2020 - mdpi.com
In this paper, we compare the capabilities of two open source near-wall-modeled large eddy
simulation (NWM-LES) approaches regarding prediction accuracy, computational costs and …

Numerical investigation of swirl-stabilized pulverized coal flames in air and oxy-fuel atmospheres by means of large eddy simulation coupled with tabulated chemistry

H Nicolai, X Wen, FC Miranda, D Zabrodiec… - Fuel, 2021 - Elsevier
This paper investigates a self-sustained swirl-stabilized pulverized coal combustion
chamber, specially designed to validate numerical models under atmospheric and oxy-fuel …

Large-eddy simulation of turbulent flow and heat transfer of helically corrugated tubes in the intermediate heat exchanger of a very-high-temperature gas-cooled …

Q Hu, H Liu, Q Sun, X Wang, J Wang, P Wei - Progress in Nuclear Energy, 2025 - Elsevier
The intermediate heat exchanger (IHX) is a vital component of very-high-temperature gas-
cooled reactors (VHTRs) utilized for thermal applications of nuclear energy, specifically for …

Experimental investigation of AdBlue film formation in a generic SCR test bench and numerical analysis using LES

A Schmidt, M Bonarens, IV Roisman, K Nishad… - Applied Sciences, 2021 - mdpi.com
In this work, an experimental investigation of AdBlue film formation in a generic selective
catalytic reduction (SCR) exhaust gas test bench is presented. AdBlue is injected into a …

Large-Eddy Simulation of turbulent heat transfer in a multiple-started helically rib-roughened pipe

K Akermann, P Renze, J Dietl, W Schröder - International Journal of Heat …, 2020 - Elsevier
Abstract Large-Eddy Simulations (LES) of single-phase turbulent heat transfer in an internal
helically ribbed pipe were performed for R e= 8000 and 16000 and Pr= 5, 7, 9. The multiple …

Numerical investigation of flow through a valve during charge intake in a DISI-engine using large eddy simulation

K Nishad, F Ries, Y Li, A Sadiki - Energies, 2019 - mdpi.com
Apart from electric vehicles, most internal combustion (IC) engines are powered while
burning petroleum-based fossil or alternative fuels after mixing with inducted air. Thereby …

[HTML][HTML] Evaluation of scale-resolving simulations for a turbulent channel flow

M Klapwijk, T Lloyd, G Vaz, T Van Terwisga - Computers & Fluids, 2020 - Elsevier
Different variable resolution turbulence modelling approaches (Hybrid, Bridging models and
LES) are evaluated for turbulent channel flow at R e τ= 395, for cases using either …

Combustion characteristics of a non-premixed oxy-flame applying a hybrid filtered eulerian stochastic field/flamelet progress variable approach

R Mahmoud, M Jangi, F Ries, B Fiorina, J Janicka… - Applied Sciences, 2019 - mdpi.com
The oxidation of methane under oxy-fuel combustion conditions with carbon capture is
attractive and deserves huge interest towards reducing CO2 and NOx emissions. The …

Numerical prediction of turbulent spray flame characteristics using the filtered eulerian stochastic field approach coupled to tabulated chemistry

L Dressler, FL Sacomano Filho, F Ries, H Nicolai… - Fluids, 2021 - mdpi.com
The Eulerian stochastic fields (ESF) method, which is based on the transport equation of the
joint subgrid scalar probability density function, is applied to Large Eddy Simulation of a …