Research Article
Numerical Study on the Required Surrounding Gas Conditions for Stable Autoignition of an Ethanol Spray
Table 4
Physical and chemical models and analysis conditions.
| | Index of calculation | No. 1 | No. 2 | No. 3 | No. 4 | No. 5 | No. 6 |
| | Fuel | Gas oil | Ethanol | Ethanol | Ethanol | Ethanol | Ethanol | | Surrounding gas temperature (K) | 800 | 800 | 1000 | 1000 | 1100 | 1200 | | Surrounding gas pressure (MPa) | 2.5 | 2.5 | 6.5 | 9.0 | 5.5 | 9.0 |
| | Surrounding gas oxygen concentration | 21 vol.% | | Turbulence model | LES model (LES: Large Eddy Simulation) | | Spray model | KH-RT model (KH: Kelvin–Helmholtz and RT: Rayleigh–Taylor) | | Chemical reaction model | SAGE detailed elementary reaction model |
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