Models for Combustion and Formation of Nitric Oxide and Soot in Direct Injection Diesel Engines

760129

02/01/1976

Event
1976 Automotive Engineering Congress and Exposition
Authors Abstract
Content
A mathematical model was developed for predicting the concentration of exhaust nitric oxide, soot and other emissions in a direct injection diesel engine. In the model, it was emphasized to describe the phenomena occurring in the combustion chamber from the microscopic point of view. The prediction was based on the knowledges concerning a single droplet as well as the droplet size distribution in a fuel spray and the spatial and temporal distribution histories of fuel in a combustion chamber. The heterogeneous field of temperature and equivalence ratio, and uniform pressure in the cylinder were postulated. The heat release model gives the burning rate of injected fuel and pressure and temperature history in the cylinder. The concentration of nitric oxide and soot in the cylinder was predicted by the emission formation model. In order to confirm the validity of the theoretical analysis, the calculated results were compared with the experimental results for typical direct injection diesel engine.
Meta TagsDetails
DOI
https://doi.org/10.4271/760129
Pages
14
Citation
Hiroyasu, H., and Kadota, T., "Models for Combustion and Formation of Nitric Oxide and Soot in Direct Injection Diesel Engines," SAE Technical Paper 760129, 1976, https://doi.org/10.4271/760129.
Additional Details
Publisher
Published
Feb 1, 1976
Product Code
760129
Content Type
Technical Paper
Language
English