Design of Retrofit Kit for LPG Driven Direct Injection Two-Stroke Engines

Paper #:
  • 2012-32-0117

Published:
  • 2012-10-23
DOI:
  • 10.4271/2012-32-0117
Citation:
Tan, Y. and Gitano, H., "Design of Retrofit Kit for LPG Driven Direct Injection Two-Stroke Engines," SAE Technical Paper 2012-32-0117, 2012, https://doi.org/10.4271/2012-32-0117.
Pages:
20
Abstract:
Two-stroke engines are common for small transportation units in many South Asia countries. Due to high fuel losses during the scavenging process the pollution emitted by these two stroke vehicles is significant. In this paper, we investigate the details of a gaseous fuel direct injection system using liquid petroleum gas (LPG). A series of three-dimensional, computational fluid dynamic (CFD) simulations are run on various injection geometries, evaluating the air/fuel mixing of the resulting in cylinder charge. The results of the simulations indicate the best injector placement based on air fuel mixing and the best location to install the spark plug.
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