Increasing the efficiency of the lubrication system of a modern internal combustion diesel engine

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BACKGROUND: Leading manufacturers of engines for trucks are constantly competing and trying to create engines with the best consumer characteristics, which at the same time meet modern environmental standards. One of the most important characteristics for long-haul tractors is fuel efficiency. As a way to improve this parameter, it was chosen to reduce the loss of mechanical energy to drive the oil pump.

AIMS: To determine the current level of mechanical losses in the drive of the oil pump of the KAMAZ 6ChN13/15 engine, to form a set of solutions to reduce losses.

METHODS: The current pattern of mechanical losses distribution for the 6ChN13/15 engine was obtained by engine motoring at the engine bench with sequential removal of engine components. A comparative diagram of the overpressure at the outlet of the uncontrolled and controlled pumps was obtained empirically during tests at the engine bench. The evaluation of the positive effect from the use of a controlled oil pump was determined analytically.

RESULTS: As a result, by using a controlled oil pump, it became possible to reduce the excess pressure at the outlet of the pump at nominal rotational speed by 25%, which theoretically should reduce the relative mechanical losses of the engine by 3%.

CONCLUSIONS: The practical value of the study lies in determining effective ways to reduce mechanical energy losses and improve the consumer qualities of modern diesel engines.

作者简介

Marat Khannanov

Naberezhnye Chelny Institute of Kazan Federal University; Scientific and Technical Center of KAMAZ

编辑信件的主要联系方式.
Email: marhan87@mail.ru
ORCID iD: 0000-0001-9816-0691
SPIN 代码: 9825-8736
Scopus 作者 ID: 1155699

Postgraduate of the Automobiles, Automobile Engines and Design Department

俄罗斯联邦, Naberezhnye Chelny; Naberezhnye Chelny

Eduard Alimgulov

Scientific and Technical Center of KAMAZ

Email: Eduard.Alimgulov@kamaz.ru
ORCID iD: 0000-0002-7808-8327
SPIN 代码: 8738-3647
Scopus 作者 ID: 1155030

Head of the Design Group of Advanced Engines, R&D Center

俄罗斯联邦, Naberezhnye Chelny

Lenar Fardeev

Scientific and Technical Center of KAMAZ

Email: Lenar.Fardeev@kamaz.ru
ORCID iD: 0000-0002-2508-5915
SPIN 代码: 4034-8695

Deputy Chief Engine Designer for Advanced Engines

俄罗斯联邦, Naberezhnye Chelny

Andrey Kulikov

Scientific and Technical Center of KAMAZ

Email: Andrey.Kulikov@kamaz.ru
ORCID iD: 0000-0003-4005-1112
SPIN 代码: 1525-7860
Scopus 作者 ID: 910800

Chief Engine Designer of R&D Center

俄罗斯联邦, Naberezhnye Chelny

Irek Gumerov

Scientific and Technical Center of KAMAZ

Email: gumerov@kamaz.ru
ORCID iD: 0000-0002-5538-8693
SPIN 代码: 3475-4219
Scopus 作者 ID: 910965

Cand. Sci. (Tech.), Deputy General Director – Development Director

俄罗斯联邦, Naberezhnye Chelny

Robert Gubaidullin

Ural Federal University

Email: diablogrr@gmail.com
ORCID iD: 0000-0001-8480-1988
SPIN 代码: 3962-8290

Engineer of the Group of Internal Combustion Engines of the Engineering Center for Digital Technologies of Mechanical Engineering

俄罗斯联邦, Yekaterinburg

Galymzhan Mukanov

Ural Federal University

Email: g.mukanov@advengineering.ru
ORCID iD: 0000-0001-5611-4064
SPIN 代码: 2593-9112
Scopus 作者 ID: 1040095

Research Engineer of the Department of Strategic Development of the Engineering Center for Digital Technologies of Mechanical Engineering

俄罗斯联邦, Yekaterinburg

Alexey Doikin

Advance Engineering

Email: daa@advengineering.ru
ORCID iD: 0000-0001-9534-9878
SPIN 代码: 8536-1760
Scopus 作者 ID: 583401

Chief Specialist of 1D System Modeling Department

俄罗斯联邦, Yekaterinburg

参考

  1. Kolchin AI, Demidov VP. Calculation of automobile and tractor engines. Moscow: Vysshaya shkola; 2008. (in Russ).
  2. Chainov ND, Ivashchenko NA, Krasnokutsky AN, et al. Designing internal combustion engines: A textbook for universities. editor Chainov ND. Moscow: Mashinostroenie; 2008. (in Russ).
  3. Putintsev SV. Mechanical Losses in Reciprocating Engines: A Tutorial. Moscow: MGTU im. N. Baumana; 2011. (in Russ).
  4. Shchukina VN. Analysis of methods for determining mechanical losses for their subsequent application during operation. Vestnik Federalnogo gosudarstvennogo obrazovatelnogo uchrezhdeniya vysshego professionalnogo obrazovaniya “Moskovskiy gosudarstvennyy agroinzhenernyy universi-tet imeni V.P. Goryachkina”. 2016;5(75):18–21. (in Russ).
  5. Beroun S, Páv K. Vybrané statě z vozidlových spalovacích motorů: (doplňková skripta pro magisterský studijní program). Liberec: Technická univerzita v Liberci; 2013. (in Czech).
  6. Procházka R, Dittrich A, Voženílek R, et al. New Ways to Measure Mechanical Losses by Motoring an ICE with Increased Cylinder Pressure. Applied Sciences. 2022;12(4):2155. doi: 10.3390/app12042155
  7. Anuryev VI. Handbook of the designer-machine builder: In 3 vols. Vol. 3. 8th ed., revised. and updated. editor Zhestkova IN. Moscow: Mashinostroenie; 2001. (in Russ).
  8. Oil management for commercial vehicles [internet]. Available from: https://www.mahle.com/en/products-and-services/commercial-vehicles/oil-management/ Accassed: 30.05.2022.

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2. Fig. 1. Change in the average effective pressure of mechanical losses during sequential dismantling of the engine components at the oil temperature of 60 ° C, where: S1 – complete engine, S2 – oil pump removed.

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3. Fig. 2. Current balance of averaged mechanical losses for the 6ChN13/15 engine.

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4. Fig. 3. Influence of oil temperature on the effective pressure of mechanical losses on the oil pump drive.

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5. Fig. 4. The design of the volumetric type oil pump with variable performance.

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6. Fig. 5. Characteristic curves of the oil pump.

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7. Fig. 6. Comparative analysis of the change in excess pressure at the outlet of the base oil pump and the oil pump with variable performance.

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版权所有 © Khannanov M.D., Alimgulov E.R., Fardeev L.I., Kulikov A.S., Gumerov I.F., Gubaidullin R.R., Mukanov G.Z., Doikin A.A., 2023

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此作品已接受知识共享署名-非商业性使用-禁止演绎 4.0国际许可协议的许可。

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