Thermal Barrier Coating Development on Automobile Piston Material (Al-Si alloy), Numerical Analysis and Validation

Reghu, V. R.; Mathew, Nikhil; Tilleti, Pramod; Shankar, Vijai Shankar Bhavani; Ramaswamy, Parvati

doi:10.1016/j.matpr.2020.01.420

Cited by 10 publications

(4 citation statements)

References 9 publications

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“…From the latest state of the art in this field, most research focuses on the chemical designing of the best Thermal Barrier Coating (TBC) to achieve the best mechanical, thermal, environmental, and durability performances [2][3][4][5][6][7]. The research goals are often to better understand the development or fabrication process of TBC materials or to improve their performances for high temperatures, with the most current applications being gas turbines or automobile coatings [8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24]. Liu et al [11] listed the five principal nanomaterial classes used to make TBCs and described their characteristics and preparation methods [11]: oxides, perovskites, pyrochlores, magnetoplumbites, and high-entropy ceramics.…”

Section: Overview Of Advancements In Tbcs For Building Applicationsmentioning

confidence: 99%

Experimental and Numerical Analysis on a Thermal Barrier Coating with Nano-Ceramic Base: A Potential Solution to Reduce Urban Heat Islands?

Malet-Damour,

Bigot,

Rivière

2023

Eng

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Adopting a multiscale approach is crucial for optimizing urban and building performance, prompting inquiries about the link between a technology’s local efficiency (building scale) and its broader impact (city-wide). To investigate this correlation and devise effective strategies for enhancing building and city energy performance, we experimentally examined a commercial nano-ceramic Thermal Barrier Coating (TBC) on a small-scale building and assessed numerically its influence on mitigating Urban Heat Islands (UHIs) at a city scale, translated in our case by the use of the thermal comfort index: the Universal Thermal Climate Index (UTCI). Our results reveal that the coating significantly curbs heat transfer locally, reducing surface temperatures by over 50 ∘C compared to traditional roofs and attenuating more than 70% of heat flux, potentially alleviating air conditioning demands and associated urban heat effects. However, implementing such coatings across a city does not notably advance overall efficiency and might trigger minor overheating on thermal perception. Hence, while nano-ceramic coatings indirectly aid UHI mitigation, they are not a standalone fix; instead, an integrated strategy involving efficient coatings, sustainable urban planning, and increased vegetation emerges as the optimal path toward creating enduringly sustainable, pleasant, and efficient urban environments to counter urban heat challenges effectively.

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Section: Overview Of Advancements In Tbcs For Building Applicationsmentioning

confidence: 99%

Experimental and Numerical Analysis on a Thermal Barrier Coating with Nano-Ceramic Base: A Potential Solution to Reduce Urban Heat Islands?

Malet-Damour,

Bigot,

Rivière

2023

Eng

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“…The heat is transferred to the exhaust since the loss in cylinder cooling rate is decreases. Thermal efficiency of engines with low heat desertion is improved by this strong energy recovery through exhaust [5]. Heat recovery structures, on the other hand, necessitate a significant amount of effort to install because they necessarily require multiple engine architecture changes.…”

Section: Introductionmentioning

confidence: 99%

Effect of Alloying Elements and Ceramic Coating on the Surface Temperature of an Aluminum Piston in a Diesel Engine

Vengatesan

Yadav

Varuvel

2022

Journal of Nanomaterials

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The engine piston is subjected to very high temperature during the combustion process, and it is very difficult to control the stability of the geometry at elevated temperature. The stability of the engine piston was analysed by finite element method with steady-state conditions for three different types of approach to control it, where the influence of the alloying element of aluminum piston, influence of surface coating, and its impact on the thickness variation followed by the influence of holes on the coating surface have been analysed in detail. It is observed that the coating with holes shows good agreement with requirement compared to the influence of the alloying element and coated piston. The conduction mode of heat transfer is controlled, and also, the heat transfer to the adjacent components is facilitated by holes on the coated piston.

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“…The thermal barrier coating increases the performance of the diesel engine by providing enhanced combustion. 3 Furthermore, the durability of the engine combustion chamber components can be increased with TBC due to thermal insulation properties. 4,5 The durability of the material depends on the temperature and so decreases as the surface temperature increases.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation of the effects of ethanol‐diesel mixture on the performance and emissions of the thermal barrier coated diesel engine

Gürbüz

2021

Env Prog and Sustain Energy

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In this study, the effects of thermal barrier coating (TBC) and diesel-ethanol mixture fuel on carcinogenic and greenhouse-causing harmful emissions from diesel engines were experimentally investigated. In the first stage, the combustion chamber parts of the single cylinder diesel engine were coated with ceramic Al 2 O 3 TiO 2 material with low thermal conductivity. Plasma spray method was used as the coating method.Then, coated and uncoated engines were run on diesel fuel. In the second stage, ethanol-diesel mixture containing 5% ethanol E5 (v/v) was used in both engines. In both stages, the engines were operated at full load and at different engine speeds and compared in terms of emissions and performance. Combustion improved as the effect of the increased in-cylinder temperature thanks to the low heat transfer with TBC. Therefore, an increase in engine power occurred. However, when E5 fuel was used in the TBC engine, the engine power decreased slightly. In the coated engine, HC and CO emissions have been significantly reduced. NOx emission increased with the effect of the thermal barrier coating, but decreased by 18% with the addition of ethanol in the TBC engine due to lower calorific value of ethanol.

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Thermal Barrier Coating Development on Automobile Piston Material (Al-Si alloy), Numerical Analysis and Validation

Cited by 10 publications

References 9 publications

Experimental and Numerical Analysis on a Thermal Barrier Coating with Nano-Ceramic Base: A Potential Solution to Reduce Urban Heat Islands?

Experimental and Numerical Analysis on a Thermal Barrier Coating with Nano-Ceramic Base: A Potential Solution to Reduce Urban Heat Islands?

Effect of Alloying Elements and Ceramic Coating on the Surface Temperature of an Aluminum Piston in a Diesel Engine

Experimental investigation of the effects of ethanol‐diesel mixture on the performance and emissions of the thermal barrier coated diesel engine

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