Performance and combustion characteristics of a retrofitted CNG engine under various piston-top shapes and compression ratios
Compressed natural gas is one of the alternative fuels for internal combustion engines as
they produce less smoke and greenhouse gas emission. Understanding the combustion …
they produce less smoke and greenhouse gas emission. Understanding the combustion …
On the use of les and 3d empirical mode decomposition for analyzing cycle-to-cycle variations of in-cylinder tumbling flow
Multi-cycle large-eddy simulation (LES) is performed to investigate cycle-to-cycle variations
(CCV) of in-cylinder flow in a single-cylinder spark ignition optically-accessible research …
(CCV) of in-cylinder flow in a single-cylinder spark ignition optically-accessible research …
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 …
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 …
formation of a large-scale tumble motion is an important goal in engine development. Cycle …
On the turbulent flow in piston engines: Coupling of statistical theory quantities and instantaneous turbulence
Planar particle image velocimetry (PIV) and tomographic PIV (TPIV) measurements are
utilized to analyze turbulent statistical theory quantities and the instantaneous turbulence …
utilized to analyze turbulent statistical theory quantities and the instantaneous turbulence …
Using PIV measurements to determine the role of the in-cylinder flow field for stratified DISI engine combustion
W Zeng, M Sjöberg, D Reuss - SAE International Journal of Engines, 2014 - JSTOR
ABSTRACT In a companion study [1], experimental observations in a stratified-charge DISI
engine operated with late injection of E70 led to the formation of two hypotheses:(1) For …
engine operated with late injection of E70 led to the formation of two hypotheses:(1) For …
Multi-cycle Direct Numerical Simulations of a Laboratory Scale Engine: Evolution of Boundary Layers and Wall Heat Flux
BA Danciu, GK Giannakopoulos, M Bode… - Flow, Turbulence and …, 2024 - Springer
Multi-cycle direct numerical simulations (DNS) of a laboratory-scale engine at technically
relevant engine speeds (1500 and 2500 rpm) are performed to investigate the transient …
relevant engine speeds (1500 and 2500 rpm) are performed to investigate the transient …
Influence of intake geometry variations on in-cylinder flow and flow–spray interactions in a stratified direct-injection spark-ignition engine captured by time-resolved …
R Stiehl, J Bode, J Schorr, C Krüger… - … Journal of Engine …, 2016 - journals.sagepub.com
Time-resolved particle image velocimetry and Mie-scattering of fuel droplets at 16 kHz were
used to capture simultaneously the temporal evolution of the in-cylinder flow field and spray …
used to capture simultaneously the temporal evolution of the in-cylinder flow field and spray …
Characterization of flow asymmetry during the compression stroke using swirl-plane PIV in a light-duty optical diesel engine with the re-entrant piston bowl geometry
K Zha, S Busch, PC Miles, S Wijeyakulasuriya… - … International Journal of …, 2015 - JSTOR
Flow field asymmetry can lead to an asymmetric mixture preparation in Diesel engines. To
understand the evolution of this asymmetry, it is necessary to characterize the in-cylinder …
understand the evolution of this asymmetry, it is necessary to characterize the in-cylinder …
Experimental characterization of the velocity boundary layer in a motored IC engine
The velocity fields near the piston wall are recorded in a motored IC engine during the end
of the compression stroke for two different engine speeds and two intake pressure values …
of the compression stroke for two different engine speeds and two intake pressure values …