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Effect of heat transfer correlation on wet cylinder liner temperature distribution when converting an old engine into a turbocharged engine

Kien Nguyen Trung
Archives of Thermodynamics | 2021 | vol. 42 | No 3 | 159-172 | DOI: 10.24425/ather.2021.138114
Keywords Heat transfer correlation Turbocharged engine Cylinder liner distribution Supercharging
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Abstract

For conventional diesel engines, two of the most widely used global correlations are due to Woschni and Hohenberg. Besides, the modern diesel engines used a new heat transfer coefficient correlation was proposed by Finol and Robinson. In Vietnam, improving engine power density is a trend of improving non-turbocharged base engines by using a supercharging system with exhaust gas energy recovery. Increasing engine power by the turbocharger is limited for two reasons: mechanical stress and thermal stress of the components surrounding the combustion chamber. In general, the heat transfer coefficient has a major effect on heat transfer rate, especially during the combustion process. So, the purpose of this study is to compare the cylinder distribution results from the simulation using the equations of Woschni and Hohenberg and compare to the experiment results when converting an old heavy-duty engine into a turbocharged engine. Results show that the cylinder distribution using Hohenberg’s correlation has a good agreement with the experiment results, especially in the case of a turbocharged engine.
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Bibliography

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[12] Pan M., Qian W., Wei H., Feng D., Pan J.: Effects on performance and emissions of gasoline compression ignition engine over a wide range of internal exhaust gas recirculation rates under lean conditions. Fuel 265(2020), 116881.
[13] Trung K.N.: A Study for determination of the pressure ratio of the V12 diesel engine based on the heat flow density to cooling water. In: Advances in Engineering Research and Application. (K.U. Sattler., D.C. Nguyen, N.P. Vu, B.T. Long., H. Puta, Eds.), Proc. ICERA 2020, Lecture Notes in Networks and Systems, Vol. 178, Springer, 2021, 64–74.
[14] Thompson M.K., Thompson J.M.: ANSYS Mechanical APDL for Finite Element Analysis. Butterworth-Heinemann, 2017.
[15] Trung K.N.: The temperature distribution of the wet cylinder liner of V-12 engine according to calculation and experiment. J. Therm. Eng. 7(2021), 2 (Spec. iss.),
[16] Heywood J.B.: Internal Combustion Engine Fundamentals (2nd Edn.). McGraw- Hill Education, 2018.
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Authors and Affiliations

Kien Nguyen Trung
1 2
  1. Phenikaa University, Faculty of Vehicle and Energy Engineering, Yen Nghia Ward, Ha-Dong District, Hanoi 12116, Vietnam
  2. Phenikaa Research and Technology Institute, A&A Green Phoenix Group JSC, 167 Hoang Ngan, Trung Hoa, Cau Giay, Hanoi 11313, Vietnam

Usage of the Cast Iron Cylindrical Liner in an Automobile Engine Block

A. Orłowicz M. Radoń M. Lenik G. Wnuk
Archives of Foundry Engineering | 2024 | vol. 24 | No 2 | 159-163 | DOI: 10.24425/afe.2024.149284
Keywords Cylinder liner Phosphoric eutectic Graphite Macro and micro wear
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Abstract

This study addresses the issues related to the quality of the connection between cast iron liners and inserts in a pressure die-cast automotive engine block, along with the macro and micro wear of the cylinder bearing surface. it was found that the commonly used HPDC high-pressure casting technology of Al-Si alloy engine blocks with cast iron liners, in which the cylinder liner is then recreated, does not ensure their metallic connection. The micro-gap created there becomes thicker as the engine is used, which worsens the conditions for heat dissipation from the sleeve to the block. Locally, on the surface of the cylinder bearing surface, reductions in honing effects and longitudinal cracks were observed. The presented literature mechanism of micro wear of the cylinder bearing surface, dependent on the morphology of graphite segregations, was confirmed. The mechanism of creating micro-breaks in the area of phosphoric eutectic and graphite precipitation occurrence was presented, initiated by the formation of microcracks in the eutectic and delaminations at the eutectic-matrix boundary.
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Bibliography


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Authors and Affiliations

A. Orłowicz
1
ORCID: ORCID
M. Radoń
1
ORCID: ORCID
M. Lenik
1
ORCID: ORCID
G. Wnuk
1
ORCID: ORCID
  1. Rzeszow University of Technology, Poland

A model scale test method for the piston ring - cylinder liner tribosystem of internal combustion engines

Jürgen Schiffer István Gódor Florian Grün Wilfried Eichlseder
Archive of Mechanical Engineering | 2010 | vol. 57 | No 4 | 331-341 | DOI: 10.2478/v10180-010-0018-7
Keywords tribological model test damage equivalent ring-on-liner piston ring cylinder liner cast iron nitriding
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Abstract

Rising technical standards of customers, legal requirements and the trend to minimize maintenance effort raise the thermal, mechanical and tribological loads on components of combustion engines. In this regard, emphasis is laid on improving the piston ring - cylinder liner tribosystem, one with the highest energy losses. An efficient performance has to be guaranteed during its lifetime. Tribological investigations could be carried out on engine test benches, but they are highly cost-intensive and time-consuming. Therefore, a damage-equivalent test methodology was developed with the analogous tribological model, "ring-on-liner". The research was carried out under two characteristic operating conditions. One with a "standard" operating system, modelled in line with ideal lubrication conditions, and the other "extreme abrasive" operating system, typical to a system running on a lubricant contaminated by abrasive particles. To optimize the tribological loading capacity of the cylinder liner, with focus on these two operating conditions, numerous nitride coatings have been investigated. The key aspects being seizure resistance, running-in characteristics and long term wear behaviour.

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Authors and Affiliations

Jürgen Schiffer
István Gódor
Florian Grün
Wilfried Eichlseder

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