Zobrazeno 1 - 10
of 291
pro vyhledávání: '"L.S. Hung"'
Autor:
Mengqi Liu, David L.S. Hung
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 18, Iss 1 (2024)
This paper presents a novel segment-based Eulerian-Lagrangian transition method for predicting the primary and secondary breakup behavior of a flat nozzle spray. It combines the Volume of Fluid (VOF) method for simulating liquid sheet disintegration
Externí odkaz:
https://doaj.org/article/860c41bb38d04ebba584529e77e66e1f
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 16, Iss 1, Pp 1866-1882 (2022)
In this research, a coupled numerical–experimental approach is employed to investigate the spray–wall interaction on step geometries with slope angles from 0° to 90° as well as impinging on and off the step geometry. Spray contours are used to
Externí odkaz:
https://doaj.org/article/398778e5f5fc48cabd0db548cf583c93
Autor:
Fengnian Zhao, David L.S. Hung
Publikováno v:
Applied Thermal Engineering. 220:119633
Publikováno v:
Proceedings of the Combustion Institute. 38:5769-5779
Homogenous, lean combustion has been considered a feasible approach to further improve the performance of the state-of-the-art gasoline direct injection (GDI) engines. However, notable challenges have been seen in properly controlling the lean combus
Publikováno v:
Proceedings of the Combustion Institute. 38:5829-5838
Extensive efforts have been made in achieving leaner combustion for gasoline direct injection (GDI) engines to further improve the thermal efficiency and reduce harmful emissions. Among these techniques, increasing ignition energy has been proven to
Publikováno v:
Proceedings of the Combustion Institute. 38:5923-5931
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 engines are suffering from wall wetting, imperfect mixture formatio
Autor:
David L.S. Hung, Christoph Steinberg
Publikováno v:
Journal of Visualization. 23:937-950
The fuel injection process in combustion engines is seen as a key factor to satisfy upcoming stricter emission laws as this very complex and highly transient process strongly determines the performance and emission of engines. The trend in increasing
Publikováno v:
Energy & Fuels. 34:10030-10038
The use of flash boiling atomization has demonstrated potential in improving engine efficiency and reducing particulate matter (PM) emissions because of its stronger phase change process and conseq...
Publikováno v:
International Journal of Engine Research. 22:1714-1730
In-cylinder flow fields and their temporal evolution have strong effect on the combustion dynamics of internal combustion engines. Proper orthogonal decomposition is a statistical tool to analyze these flow fields by decomposing them into flow patter
Publikováno v:
Fuel. 329:125348