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Numerical investiga...
Numerical investigation of thermomechanical behavior of Yttrium barium zirconate-coated aluminum alloy piston in an internal combustion engine
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- Khan, Shah Nawaz (författare)
- School of Mechanical Engineering, Kyungpook National University, 80 Daehakro, Bukgu Daegu 41566, South Korea
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- Usman, Ali (författare)
- Luleå tekniska universitet,EISLAB,Structural Engineering, Faculty of Built Environment, Tampere University, 33720 Tampere, Finland
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- Afzal, Muhammad Shakeel (författare)
- Department of Mechanical Engineering, COMSATS University Islamabad, Wah Cantt, Pakistan
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- Tanveer, Muhammad (författare)
- School of Mechanical Engineering, Kyungpook National University, 80 Daehakro, Bukgu Daegu 41566, South Korea
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- Liwicki, Marcus (författare)
- Luleå tekniska universitet,EISLAB
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- Almqvist, Andreas (författare)
- Luleå tekniska universitet,Maskinelement
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- Park, Cheol Woo (författare)
- School of Mechanical Engineering, Kyungpook National University, 80 Daehakro, Bukgu Daegu 41566, South Korea
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(creator_code:org_t)
- Elsevier, 2024
- 2024
- Engelska.
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Ingår i: Applied Thermal Engineering. - : Elsevier. - 1359-4311 .- 1873-5606. ; 236:part B
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Increasing engine power to volume density is under investigation and being analysed extensively. Turbocharger, which is used to boost volumetric efficiency, also raises cylinder temperature and pressure, thus resulting in thermal distortions and reducing clearances in tribo-contacts, thereby compromising engine life. Thermal barrier coatings (TBCs) have shown potential to provide remedies to reduce heat losses, hazardous emissions, and heat flow toward the piston skirt in an internal combustion engine. In this study, a detailed thermo-mechanical analysis was performed for a diesel engine piston with a novel yttrium barium zirconate (YBZ) coating and then compared with other TBCs with varying thicknesses. The results revealed a notable decrease in piston substrate surface temperature when coated with various TBCs, with YBZ coating demonstrating superior performance over others. The 0.2 mm coating of YBZ-coated piston exhibited significant reductions of 15% and 10.3% in temperature and thermal stress respectively, thus enhancing piston durability. The better performance of the novel YBZ coating could be attributed to its stable thermal and elastic properties and lower thermal conductivity than other TBC materials. YBZ coating provides a promising solution to improve engine efficiency while extending engine life, making it an attractive option for the automotive industry.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Nyckelord
- Diesel engine
- Piston
- Thermal barrier coating
- Substrate surface temperature
- Thermal stress
- Maskininlärning
- Machine Learning
- Machine Elements
- Maskinelement
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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