Investigation on spray combustion modeling for performance analysis of future low-and zero-carbon DI engine

Q Mei, L Liu, MRA Mansor - Energy, 2024 - Elsevier
Global warming issues and fossil fuel depletion crisis have forced transportation industry to
seek clean engine fuels both liquid and gaseous. Dual-fuel mode with high-pressure direct …

Quantitative description of droplet dispersion of hollow cone spray in gaseous crossflow

H Zhang, B Bai, Y Wang - Experimental Thermal and Fluid Science, 2018 - Elsevier
In this study, we experimentally investigate the large-scale vortex pair formed by droplets in
the spanwise direction of the flow field of a hollow cone spray injected transversely into a …

A one-way coupling approach for simulating in-nozzle flow and spray characteristics of a pressure-swirl atomizer

Z Yue, H Liu, C Gao, S Cheng, H Wang, Z Zheng… - Physics of …, 2024 - pubs.aip.org
This article proposes a model framework coupling in-nozzle flow and external spray and
presents its application to the simulation of a commercial pressure-swirl atomizer, focusing …

Numerical study on flow structures of a hollow cone spray in crossflow

H Zhang, H Zhang, B Bai - Heat Transfer Engineering, 2022 - Taylor & Francis
In this paper, numerical investigation on the flow field structure of a hollow cone spray
injected transversely into a confined crossflow is presented. The unsteady turbulent flow is …

Mixing of hollow-cone water spray in a confined high-temperature gas crossflow

W Wang, H Zhang, Z Zhao, Q Zheng, B Bai - Computers & Fluids, 2017 - Elsevier
The mixing process of hollow-cone spray in a confined high temperature gas crossflow
accompanied with evaporation is studied numerically. A fundamental insight into the mixing …

Temperature patterns of air crossflow with hollow-cone spray evaporation

H Zhang, B Bai - AIAA Journal, 2016 - arc.aiaa.org
This work focused on the heat transfer of the mixing process resulting from a hollow-cone
spray evaporation in high-temperature gas crossflow in a confined mixing space. The study …

[图书][B] Simulations and experiments of fuel injection, mixing and combustion in DI gasoline engines

Y Zheng - 2013 - search.proquest.com
Direct Injection (DI) has been known for its improved performance and efficiency in gasoline
spark-ignition engines. In order to take all the advantages of the GDI technology, it is …

Characteristics of leeward shear layer structure of hollow-cone spray in gaseous crossflow

H Zhang, S Gao, B Bai, Y Wang - AIAA Journal, 2021 - arc.aiaa.org
D= duct hydraulic diameter, mm d32= Sauter mean diameter, μm J= momentum flux ratio;
MI∕ Mg Mg= momentum flux of the gas crossflow (ρgu 2 gD 2), kg⋅ m∕ s 2 MI= momentum …

CFD Simulation and Optical Engine Diagnostics of Mixture Formation Processes in DI Gasoline Engine with Flexible Valvetrain

Y Zheng, PI Lee, A Matsumoto, X Xie… - Proceedings of the FISITA …, 2013 - Springer
The interactions of multi-hole direct injection (DI) gasoline sprays with the charge motion are
investigated using computational fluid dynamics simulation and high-speed imaging of …

[PDF][PDF] Numerical Study of Fuel Spray and Mixture Formation in a Spark Ignition Engine with Asynchronous Intake Valve Timings

DK Nguyen, CW Chen, CY Wu, MH Wu - … Conference on Liquid …, 2015 - academia.edu
The influences of asynchronous intake valve timings on in-cylinder flow motions and mixture
formation were examined using computational fluid dynamic. Fluid and spray dynamics in a …