Direct numerical simulation of the compression stroke under engine relevant conditions: Local wall heat flux distribution

M Schmitt, CE Frouzakis, YM Wright… - International Journal of …, 2016 - Elsevier
The distribution of the heat flux on the walls in a closed cylinder during the compression of a
non-reactive hydrogen–air mixture is investigated using data from a direct numerical …

Entropic multi-relaxation time lattice Boltzmann model for complex flows

B Dorschner, F Bösch, SS Chikatamarla… - Journal of Fluid …, 2016 - cambridge.org
Entropic lattice Boltzmann methods were introduced to overcome the stability issues of
lattice Boltzmann models for high Reynolds number turbulent flows. However, to date their …

Towards grid-independent 3D-CFD wall-function-based heat transfer models for complex industrial flows with focus on in-cylinder simulations

F Berni, G Cicalese, M Borghi, S Fontanesi - Applied Thermal Engineering, 2021 - Elsevier
Convective heat transfer heavily affects both efficiency and reliability in many industrial
problems. For this reason, its proper estimation is mandatory since the early design stage …

Scale-resolving simulations in engine combustion process design based on a systematic approach for model development

C Hasse - International Journal of Engine Research, 2016 - journals.sagepub.com
The increasing availability of high-performance computing resources will allow scale-
resolving simulations such as large eddy simulations to be used instead of unsteady …

Empirical investigation of spark-ignited flame-initiation cycle-to-cycle variability in a homogeneous charge reciprocating engine

P Schiffmann, DL Reuss, V Sick - International Journal of …, 2018 - journals.sagepub.com
This experimental study investigates the flame-initiation period variability in the spark-ignited
homogeneous charge third-generation transparent combustion chamber optical engine. The …

Investigation of wall heat transfer and thermal stratification under engine-relevant conditions using DNS

M Schmitt, CE Frouzakis, YM Wright… - … Journal of Engine …, 2016 - journals.sagepub.com
Unsteady wall heat transfer and thermal stratification during the compression stroke under
engine relevant conditions are investigated using direct numerical simulations (DNS). In …

Direct numerical simulation of the flow in the intake pipe of an internal combustion engine

GK Giannakopoulos, CE Frouzakis… - International Journal of …, 2017 - Elsevier
The incompressible flow in the intake pipe of a laboratory-scale internal combustion engine
at Reynolds numbers corresponding to realistic operating conditions was studied with the …

Direct numerical simulation of the compression stroke under engine-relevant conditions: Evolution of the velocity and thermal boundary layers

M Schmitt, CE Frouzakis, YM Wright… - International Journal of …, 2015 - Elsevier
The unsteady velocity and thermal boundary layers during the compression stroke under
engine-relevant conditions are investigated using direct numerical simulation (DNS). The …

Investigation of cycle-to-cycle variations in internal combustion engine using proper orthogonal decomposition

S Wu, S Patel, M Ameen - Flow, Turbulence and Combustion, 2023 - Springer
The understanding, modeling and control of the cycle-to-cycle variation (CCV) in the modern
internal combustion engine (ICE) is a key scientific challenge to achieve stable engine …

Direct numerical simulation of the effect of compression on the flow, temperature and composition under engine-like conditions

M Schmitt, CE Frouzakis, AG Tomboulides… - Proceedings of the …, 2015 - Elsevier
The effect of compression on the flow, temperature and composition inside a cylinder is
investigated using direct numerical simulation (DNS). The initial conditions are obtained by …