Visualization of Jet Impingement and Ignition in a Piston-Cylinder Chamber
The transportation sector accounts for almost a third of the United States energy consumption. We are developing predictive simulations of the complex in-cylinder processes of internal combustion engines to improve performance and decrease pollutant emissions. Using volume rendering, we provide a first look at the jet impingement and ignition inside a piston-cylinder chamber. Through the visualization, we were able to construct a complete 3D picture of the jet impingement on the piston-bowl walls leading to the formation of pockets of auto-ignition of fuel-air mixture. These auto-ignition pockets subsequently lead to flame stabilization releasing the chemical energy for conversion to useful work. A detailed physical picture of flame stabilization as provided by the visualization techniques presented in this study help in the design next-generation internal combustion engines.
- Research Organization:
- National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR) (SC-21), Scientific Discovery through Advanced Computing (SciDAC)
- DOE Contract Number:
- AC36-08GO28308
- OSTI ID:
- 1822173
- Report Number(s):
- NREL/PR-2C00-80390; MainId:42593; UUID:e43e5319-99a9-4a63-9f5d-d99ca977db08; MainAdminID:61730
- Country of Publication:
- United States
- Language:
- English
Similar Records
Visualization and modeling of pilot injection and combustion in diesel engines
Internal combustion engine and piston having stepped combustion bowl with non-axisymmetric profile