Volumetric velocimetry for fluid flows

S Discetti, F Coletti - Measurement Science and Technology, 2018 - iopscience.iop.org
In recent years, several techniques have been introduced that are capable of extracting 3D
three-component velocity fields in fluid flows. Fast-paced developments in both hardware …

Measurement in opaque flows: a review of measurement techniques for dispersed multiphase flows

C Poelma - Acta Mechanica, 2020 - Springer
A review is presented of measurement techniques to characterise dispersed multiphase
flows, which are not accessible by means of conventional optical techniques. The main …

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 …

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 …

The influence of cylinder head geometry variations on the volumetric intake flow captured by magnetic resonance velocimetry

D Freudenhammer, B Peterson, CP Ding… - … International Journal of …, 2015 - JSTOR
ABSTRACT Magnetic Resonance Velocimetry (MRV) measurements are performed in 1: 1
scale models of a single-cylinder optical engine to investigate the differences in the inlet flow …

A combined numerical and experimental study of the 3D tumble structure and piston boundary layer development during the intake stroke of a gasoline engine

S Buhl, F Gleiss, M Köhler, F Hartmann… - Flow, Turbulence and …, 2017 - Springer
Due to its positive effect on flame propagation in the case of a well-defined breakdown, the
formation of a large-scale tumble motion is an important goal in engine development. Cycle …

On the evolution of the flow field in a spark ignition engine

P Janas, I Wlokas, B Böhm, A Kempf - Flow, Turbulence and Combustion, 2017 - Springer
The development of the turbulent flow field inside a spark ignition engine is examined by
large-eddy simulation (LES), from the intake flow to the tumble break-down. Ten consecutive …

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 …

An experimental study of the detailed flame transport in a SI engine using simultaneous dual-plane OH-LIF and stereoscopic PIV

B Peterson, E Baum, A Dreizler, B Böhm - Combustion and Flame, 2019 - Elsevier
Understanding the detailed flame transport in IC engines is important to accurately predict
ignition and combustion phasing, rate of heat release and assess engine performance. This …

On the turbulent flow in piston engines: Coupling of statistical theory quantities and instantaneous turbulence

F Zentgraf, E Baum, B Böhm, A Dreizler, B Peterson - Physics of Fluids, 2016 - pubs.aip.org
Planar particle image velocimetry (PIV) and tomographic PIV (TPIV) measurements are
utilized to analyze turbulent statistical theory quantities and the instantaneous turbulence …