Experimental and numerical studies of thermal power conversion and energy flow under high-compression ratios of a liquid methane engine (LME)

H Xi, J Fu, F Zhou, J Yu, J Liu, Z Meng - Energy, 2023 - Elsevier
To improve the performance of a liquid methane engine (LME) under universal
characteristics, the in-cylinder combustion process and thermal power conversion under …

Influence of flash boiling spray on the combustion characteristics of a spark-ignition direct-injection optical engine under cold start

J Yang, X Dong, Q Wu, M Xu - Combustion and Flame, 2018 - Elsevier
Flash boiling occurs when liquid fuel is injected into an ambient environment below its
saturation pressure. Compared to non-flash-boiling (liquid) spray, flash-boiling spray …

High-resolution numerical investigation into the effects of winglet on the aerodynamic performance for a three-dimensional vertical axis wind turbine

W Xu, G Li, F Wang, Y Li - Energy conversion and management, 2020 - Elsevier
Vertical axis wind turbines can harvest kinetic energy in the air stream from all directions and
therefore have distinct advantages in the effective utilization of wind resource. Its …

Numerical investigations on the effects of turbulence intensity on knocking combustion in a downsized gasoline engine

L Chen, H Wei, C Chen, D Feng, L Zhou, J Pan - Energy, 2019 - Elsevier
In this work, the influence of turbulence intensity on knocking characteristics was studied.
Different levels of initial swirl ratio inside cylinder were firstly performed to investigate the …

Effect of flash boiling injection on combustion and PN emissions of DISI optical engine fueled with butanol isomers/TPRF blends

M Nour, Z Sun, M Cui, S Yang, D Hung, X Li… - Proceedings of the …, 2021 - Elsevier
Direct injection spark ignition (DISI) engines have been widely used in passenger cars due
to their lower fuel consumption, better controllability, and high efficiency. However, DISI …

K-means clustering-driven detection of time-resolved vortex patterns and cyclic variations inside a direct injection engine

F Zhao, DLS Hung, S Wu - Applied Thermal Engineering, 2020 - Elsevier
Time-resolved vortices are indispensable rotational flow structures which impact fuel-air
mixing, combustion, and thermal efficiency of internal combustion engine. In-cylinder flow …

Analysis of tip leakage flow unsteadiness in a transonic turbine cascade using data-driven modal decomposition methods

Y Yang, H Ma - Physics of Fluids, 2022 - pubs.aip.org
The evolution of tip leakage flow and subsequent vortical structures is accompanied by
inherent unsteadiness. This paper presents a novel characterization for the unsteady …

Flash boiling combustion of isomeric butanol and gasoline surrogate blends using constant volume spray chamber and GDI optical engine

X Li, Z Sun, S Yang, H Wang, M Nour - Fuel, 2021 - Elsevier
Flash boiling spray has been regarded as a promising fuel injection technology. Many
investigations have been focused on spray physics and mechanisms of flash boiling spray …

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 …

The effect of baffle on flow structures and dynamics stirred by pitch blade turbine

Y Fan, J Sun, J Jin, H Zhang, W Chen - Chemical Engineering Research …, 2021 - Elsevier
In order for a better understanding of how baffle impacts on the flow field stirred by pitched
blade turbine (PBT), the Particle Image Velocimetry (PIV) experiment was conducted in …