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  • Open Access

    ARTICLE

    Gas Dynamics and Heat Transfer of Stationary Gas Flows in the Intake System with Different Designs of the Engine Cylinder Head

    Leonid Plotnikov*

    Frontiers in Heat and Mass Transfer, Vol.23, No.5, pp. 1443-1454, 2025, DOI:10.32604/fhmt.2025.068060 - 31 October 2025

    Abstract Industry and energy continue to require piston engines (PICE) at a high level worldwide. Therefore, science and technology must urgently work on improving the PICE working cycle. Improving the quality of the intake process of the working fluid into the cylinder is one of the most effective ways to improve the operational performance of PICE. The purpose of the study was to assess the impact of various cylinder head (CylH) designs on the gas-dynamic and heat-exchange qualities of air flows within an engine model’s intake system. Three different CylH designs were studied: the basic configuration… More >

  • Open Access

    ARTICLE

    Influence of the Channel Design on the Heat Exchange Characteristics of Pulsating Flows in the Supply System of an Engine

    Leonid Plotnikov*, Danil Davydov, Dmitry Krasilnikov, Vladislav Shurupov

    Frontiers in Heat and Mass Transfer, Vol.22, No.5, pp. 1309-1322, 2024, DOI:10.32604/fhmt.2024.056680 - 30 October 2024

    Abstract Heat engines based on reciprocating machines remain in demand as energy converters in a variety of industries around the world. The aim of the study was to evaluate the gas-dynamic, consumable and heat exchange characteristics of non-stationary air flows in a supply system with transverse profiling of valve channels based on experimental studies. Valve channels with cross sections in the form of a circle, square and triangle were used to control the consumable and heat exchange characteristics of the flows in the supply system of the reciprocating-engine model. The article presents data on changes in… More >

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