1-D Simulation Model Developed for a General Purpose Engine

Paper #:
  • 2016-32-0030

Published:
  • 2016-11-08
DOI:
  • 10.4271/2016-32-0030
Citation:
Tsuchiyama, T., Kuboyama, T., Moriyoshi, Y., Kiura, T. et al., "1-D Simulation Model Developed for a General Purpose Engine," SAE Technical Paper 2016-32-0030, 2016, https://doi.org/10.4271/2016-32-0030.
Pages:
7
Abstract:
In recent years, improvements in the fuel economy and exhaust emission performance of internal combustion engines have been increasingly required by regulatory agencies. One of the salient concerns regarding general purpose engines is the larger amount of CO emissions with which they are associated, compared with CO emissions from automobile engines. To reduce CO and other exhaust emissions while maintaining high fuel efficiency, the optimization of total engine system, including various design parameters, is essential. In the engine system optimization process, cycle simulation using 0-D and 1-D engine models are highly useful. To define an optimum design, the model used for the cycle simulation must be capable of predicting the effects of various parameters on the engine performance. In this study, a model for predicting the performance of a general purpose SI (Spark Ignited) engine is developed based on the commercially available engine simulation software, GT-POWER. The developed 1-D engine model was validated using a 3-D CFD (Computed Fluid Dynamics) simulation and experimental results. The effects of engine speed and load, air-fuel ratio (A/F), spark ignition timing on combustion characteristics were simulated. The simulation results were compared with experimental results to determine the accuracy of the developed model.
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