Advances in Hydrodynamic Friction in Combustion Engines

A special issue of Lubricants (ISSN 2075-4442).

Deadline for manuscript submissions: 31 March 2025 | Viewed by 1141

Special Issue Editors


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Guest Editor
Department of Mechanics and Advanced Materials, Campus Monterrey, School of Engineering and Sciences, Tecnológico de Monterrey, Av. Eugenio Garza Sada 2501 Sur, Tecnológico, Monterrey 64849, Mexico
Interests: design; lubricants; alternative fuels; tribology

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Guest Editor
Laboratoire des Systèmes Complexes (LSC), Ecole Supérieur en Génie Electrique et Énergétique d’Oran, Chemin Vicinal N 9, Oran, Algeria
Interests: lubrication; engines; tribology; friction

Special Issue Information

Dear Colleagues,

An important feature in the reduction in friction and power loss of combustion engines is the development of hydrodynamic lubrication. Viscosity of the lubricant, speed, load, geometry, and roughness of the surfaces affects the development of hydrodynamic lubrication in engines. This Special Issue, entitled "Advances in Hydrodynamic Friction in Combustion Engines," focuses on employing theoretical and experimental methods in order to reveal the relationship between various oil lubrication parameters and the performance of combustion engine systems.

This Special Issue encompasses both numerical and experimental studies, aiming to provide a comprehensive exploration of the subject matter. Researchers and engineers from diverse backgrounds have contributed their expertise to this Special Issue, making it a valuable resource for anyone interested in interfacing mechanics, friction-induced lubrication, tribodynamics, and mechanical system dynamics, among others.

This Special Issue explores the role of lubrication, including fluid and solid lubrication, in mitigating friction in engines. Lubricants play a crucial role in reducing friction and wear, thereby minimizing the occurrence of vibration-induced failure and vibration noise. This Special Issue aims to optimize lubrication strategies in order to enhance the performance and longevity of mechanical combustion engines.

In summary, this Special Issue, entitled "Advances in hydrodynamic friction in combustion engines", offers a comprehensive exploration of the field of interfacial science. It addresses various aspects, including interfacing mechanics, friction-inspired design of engines, tribodynamics, and more. It is anticipated that this Special Issue will provide valuable insights for researchers and engineers in related fields.

Dr. Sunny Narayan
Dr. Brahim Menacer
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Lubricants is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • friction
  • lubrication
  • tribology
  • combustion engines

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Published Papers (1 paper)

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Research

23 pages, 10472 KiB  
Article
Impact of Influence of Piston Design Parameters on the Hydrodynamic Characteristics of Internal Combustion Engines—A Numerical Study
by Brahim Menacer, Sunny Narayan, Víctor Tuninetti, Tawfiq Khatir, Angelo Oñate, Liomnis Osorio, Shitu Abubakar, Joseph Samuel, Ivan Grujic, Nadica Stojanovic and Muhammad Usman Kaisan
Lubricants 2024, 12(12), 427; https://doi.org/10.3390/lubricants12120427 - 2 Dec 2024
Viewed by 875
Abstract
Piston top rings in the combustion engine play a crucial role in the overall hydrodynamic performance of engines, such as power loss, minimum film thickness and friction forces, by ensuring sealing and minimizing the leakage of burnt gases. This present paper examines the [...] Read more.
Piston top rings in the combustion engine play a crucial role in the overall hydrodynamic performance of engines, such as power loss, minimum film thickness and friction forces, by ensuring sealing and minimizing the leakage of burnt gases. This present paper examines the influence of four key parameters of the top ring, such as ring width, ring temperature, ring tension, and ring surface roughness on the hydrodynamic behavior at the ring/cylinder contact. These parameters play a significant role in the formation and maintenance of the oil film, directly influencing hydrodynamic indicators such as the minimum oil film thickness, friction force, power loss, oil pressure, and the ring angle twist. This article relies on hydrodynamic models and numerical simulations performed using GT-SUITE version 6 software to analyze these effects. The pressure curve used in this simulation is experimentally validated for an engine speed of 2000 RPM. It was found that an increase in the top ring temperature reduces the oil’s viscosity, decreasing the film thickness and increasing the risk of metal-to-metal contact. Increasing the roughness of the ring enhances oil film stability, especially at the bottom dead center (BDC) points during each phase of the operating cycle. Further, three different types of ring profiles were investigated for friction forces by varying the speed of the engine. Full article
(This article belongs to the Special Issue Advances in Hydrodynamic Friction in Combustion Engines)
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