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September 10, 2025Proceedings of the Institution of Mechanical Engineers Part D Journal of Automobile Engineering

Study on the influence of combustion chamber geometry on the performance of an opposed-piston two-stroke diesel engine

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Authors

TDTianyu DuTianjin UniversityJQJing QinHong Kong Polytechnic UniversitySLShangshu LiTianjin University

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Implication

CFD simulations reveal optimal combustion chamber designs improve fuel spray and engine performance.

Key Points

  • New combustion chamber designs enhanced fuel spray mixing and combustion performance.
  • The semi-ellipsoidal chamber showed a 15.1% increase in indicated mean effective pressure.
  • Swirl flow in the original chamber was ineffective, causing low equivalence ratios.
  • Redundant regions in the original design limited potential performance improvements.

Cite This Study

Du et al. (2025) studied this question.

synapsesocial.com/papers/68c193e99b7b07f3a0617e52https://doi.org/10.1177/09544070251361269
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