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<p>This research paper aims to optimize the intake system’s plenum and intake manifold length. The paper discusses the importance of the precisely calculated intake plenum volume, which significantly impacts the internal combustion engine performance. The design of the plenum, besides the chosen volume should assure the desired airflow quantity and quality through the whole system. 1D simulations do these particular analytic calculations and the CFD tool is used to determine the laminarity of the airflow. The second part of this paper intends to explain the intake pipe, restrictor calculations and why it is crucial for a precisely tuned race engine. Validation of the simulation results with engine test bench measurements and explanation of different engine performance plotting techniques via indication data.</p>

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FSAE one-cylinder engine intake system optimization with simulation methods and test bench validation through low- and high-pressure indication system measurements

  • 期刊论文

  • 发表日期：

    2026年1月30日

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  • Boros Máté,
  • Tóth Máté,
  • Pesthy Márk

摘要

This research paper aims to optimize the intake system’s plenum and intake manifold length. The paper discusses the importance of the precisely calculated intake plenum volume, which significantly impacts the internal combustion engine performance. The design of the plenum, besides the chosen volume should assure the desired airflow quantity and quality through the whole system. 1D simulations do these particular analytic calculations and the CFD tool is used to determine the laminarity of the airflow. The second part of this paper intends to explain the intake pipe, restrictor calculations and why it is crucial for a precisely tuned race engine. Validation of the simulation results with engine test bench measurements and explanation of different engine performance plotting techniques via indication data.