| 赖哲渊，李铁，周昕毅，王斌.柴油机喷雾燃烧相似性理论基础研究[J].内燃机工程,2018,39(3):1-7. |
| Fundamental Theory of Diesel Spray and Combustion Similarity |
| DOI：10.13949/j.cnki.nrjgc.2018.03.001 |
| Key Words:diesel engine similarity theory spray combustion emission |
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| Abstract:Based on the similarity theory, some of important dimensionless numbers in diesel spray and combustion were deduced and discussed by basic conservation equations. The existence of similarity in different diesel engines was proved theoretically in diffusion and premixed combustion processes, and also in spray mixture formation process. On the premise of geometric similarity, scaling rules for some parameters including engine speed, injection pressure and injection duration were established to realize the similarity between large-bore and small-bore diesel engines. In the engine operations where premixed combustion is remarkable, the scaling rule that keeps the engine speed unchanged is more preferable. |
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