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Relevant bibliographies by topics / Piston crown

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Journal articles
Dissertations / Theses
Book chapters
Conference papers

Academic literature on the topic 'Piston crown'

Author: Grafiati

Published: 3 June 2025

Last updated: 19 July 2025

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Journal articles on the topic "Piston crown"

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Lalvani, J. Isaac Joshua Ramesh, E. Prakash, M. Parthasarathy, S. Jayaraj, and K. Annamalai. "Structural Analysis on Swirling Grooved SCC Piston." Advanced Materials Research 984-985 (July 2014): 452–55. http://dx.doi.org/10.4028/www.scientific.net/amr.984-985.452.

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This journal describes a study on the structural effects of DI diesel engine conventional piston and modified pistons. To enhance the combustion efficiency of the engine conventional piston has been modified as shallow depth piston bowl with swirling grooves on the piston crown. Three different widths (5.5mm, 6.5mm and 7.5mm) and constant depth (00 to 50) swirling grooves added on the shallow depth combustion chambered piston crown. The conventional piston and modified pistons has been modeled in CATIA software and structural analysis done in ANSYS 14. In structural analysis observed that defo

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Wang, Q., Y. Cao, R. Wang, F. Mignano, and G. Chen. "Studies of a Heat-Pipe Cooled Piston Crown." Journal of Engineering for Gas Turbines and Power 122, no. 1 (1999): 99–105. http://dx.doi.org/10.1115/1.483181.

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Designing pistons with effective cooling is crucial to preventing piston failure and improving engine service life. A piston design that incorporates the heat-pipe cooling technology may provide a new approach that could improve the thermal-tribological performance of heavy-duty diesel engine pistons. A simplified piston crown with an annular reciprocating heat pipe is constructed to demonstrate this concept. The piston crown is experimentally tested on a specially designed reciprocating apparatus. Experimental data indicate that the annular heat-pipe cooling can greatly assist in reducing the

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Helmisyah, Ahmad Jalaludin, Shahrir Abdullah, and Mariyam Jameelah Ghazali. "Heat Transfer Characteristic of Thermal Barrier Coated Piston Crown for a Compressed Natural Gas Direct Injection Engine." Applied Mechanics and Materials 663 (October 2014): 304–10. http://dx.doi.org/10.4028/www.scientific.net/amm.663.304.

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Compressed natural gas with direct injection (CNGDI) engine produces high temperature and pressure ultimately leading to high thermal stress. The piston crown material fails to withstand high temperature and operate ineffectively due to improper heat transfer. By insulating the surface namely; thermal barrier coating (TBC) such as ceramic based yttria partially stabilised zirconia (YPSZ), heat transfer to the piston might be reduced and lead to improvement of piston durability. Hence, in this research, YPSZ/NiCrAl coating was utilised to differentiate with the uncoated piston crowns in terms o

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Jalaludin, Helmisyah Ahmad, Shahrir Abdullah, Mariyam Jameelah Ghazali, Bulan Abdullah, and Nik Rosli Abdullah. "Effect of Extreme Temperatures on Coated Piston Crown for CNGDI Engine." Applied Mechanics and Materials 393 (September 2013): 281–86. http://dx.doi.org/10.4028/www.scientific.net/amm.393.281.

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Due to high temperature and less proper heat transfer, the material of piston crown in an engine of compressed natural gas with a direct injection system (CNGDI) may lead to high thermal stresses and fails to withstand high temperature and operate effectively. By insulating with thermal barrier coating (TBC) such as ceramic-based yttria partially stabilised zirconia (YPSZ), heat transfer to the piston might be reduced and lead to improvement of piston durability. Hence, in this research, YPSZ coating was utilised to differentiate with the uncoated piston crowns in terms of the ability to reduc

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Velavan, A., C. G. Saravanan, and M. Vikneswaran. "The Impact of Formation of Oxide Layer on the Piston Crown Using Micro - Arc Oxidation on the Characteristics of the Spark Ignition Engine." Key Engineering Materials 813 (July 2019): 31–36. http://dx.doi.org/10.4028/www.scientific.net/kem.813.31.

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In the present study, experiments were conducted to compare the effect of oxide layer formation on the piston crown coated using Micro-Arc Oxidation (MAO) with uncoated piston on the combustion and emission characteristics of the port injected Spark Ignition engine fueled by gasoline. The micro-arc oxidation (MAO) coating technique is the modern process to form a ceramic oxide layer on the reactive metal substrate (base metal) by electrochemical and electro-thermal oxidation in an alkaline electrolytic solution. Using MAO technique, an oxide layer of thickness 72 μm was formed on the piston cr

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Kamanna, Balbheem, Bibin Jose, Ajay Shamrao Shedage, Sagar Ganpat Ambekar, Rajesh Somnath Shinde, and Sagar Landge. "Thermal Barrier Coating on IC Engine Piston to Improve Engine Efficiency." Global Journal of Enterprise Information System 9, no. 1 (2017): 47. http://dx.doi.org/10.18311/gjeis/2017/15864.

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The piston is considered as most important part of I.C engine. High temperature produced in an I.C engine may contribute to high thermal stresses. Without appropriate heat transfer mechanism, the piston crown would operate ineffectively which reduce life cycle of piston and hence mechanical efficiency of engine. The literature survey shows that ideal piston consumes heat produced by burnt gases resulting in decrease of Engine overall Efficiency. In this project work an attempt is made to redesign piston crown using TBC on piston surface and to study its Performance. A 150 cc engine is consider

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WANG, YIYU, MICHAEL J. LANCE, JAMES ALLEN HAYES, et al. "Rotary Inertia Friction Welding of Dissimilar High- Strength 422 Martensitic Stainless Steel and 4140 Low Alloy Steel for Heavy-Duty Engine Piston Fabrication." Welding Journal 104, no. 03 (2025): 88–93. https://doi.org/10.29391/2025.104.007.

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AISI 422 martensitic stainless steel with superior hightemperature performance (oxidation resistance and strength) is under evaluation for replacing current heavy-duty piston crown materials, AISI 4140 martensitic steel and microalloyed steel (MAS) 38MnSiVS5, to fabricate a multimaterial piston (Refs. 1, 2). This multimaterial piston concept further improved power density and fuel economy by allowing heavyduty diesel engines to operate at higher temperatures and pressures (Ref. 3). Joining AISI 422 steel piston crowns with AISI 4140 steel piston skirts is a key manufacturing step for this mult

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Helmisyah, A. J., Shahrir Abdullah, and Mariyam Jameelah Ghazali. "Effect of Thermal Barrier Coating on Piston Crown for Compressed Natural Gas with Direct Injection Engine." Applied Mechanics and Materials 52-54 (March 2011): 1830–35. http://dx.doi.org/10.4028/www.scientific.net/amm.52-54.1830.

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The top land of a piston normally known as the piston crown is an engine part that is continuously exposed to extreme temperature and pressure during combustion. For a compression ratio level, the compressed natural gas with a direct injection system (CNGDI) typically uses a range of compression ratio between gasoline and diesel engines, producing extremely high temperature and pressure which lead to high thermal stresses. Consequently, the piston crown is exposed to direct combustion due to the vertical movement of the piston, leading to various possible damages of thermal stresses. In contra

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Smirnov, S. V., A. R. Makarov, and R. Kh Abu-Nidzhim. "Mathematical modeling of dynamics of movement of the compound piston in the cylinder of the internal combustion engine." Traktory i sel hozmashiny 84, no. 11 (2017): 57–63. http://dx.doi.org/10.17816/0321-4443-66361.

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Cylinder piston group is the main part of friction in the engine, where usually mechanical losses appear, that is why its work and design should be considered from the point of view of tribology. The task of designing a cylinder - piston group as a friction unit is to select the basic geometric dimensions, the profile of the guide part in the longitudinal and transverse planes, the diametric gap, the coordinates of the piston pin arrangement and the center of mass. The solution of these problems is directly dependent on the possibility of studying the complex plane-parallel motion of the pisto

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Wu, Ji, Shu Lin Duan, Zhan Hua Wu, Li Dui Wei, and Hui Xing. "Coupled Heat Transfer Analysis of Piston Crown, Piston Rings and Cylinder Liner." Advanced Materials Research 614-615 (December 2012): 204–7. http://dx.doi.org/10.4028/www.scientific.net/amr.614-615.204.

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MAN Diesel’s 6S50MC-C disel is a two-stroke marine diesel engine. As the boundary conditions of temperature field distribution, the mean temperature and mean heat transfer coefficient are calculated firstly. The coupled heat transfer of piston crown, piston rings and cylinder liner are analyzed. The steady temperature field and the transient heat transfer under starting condition of diesel engine are obtained in ANSYS. Maximum temperature is 413.55°C in the top surface edge of the piston crown. 59.5% of the total heat from high-temperature fuel gas heat is absorbed by the cooling oil. The temp

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Dissertations / Theses on the topic "Piston crown"

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Alexander, W. D. "The design and evaluation of components for low heat loss diesel engines." Thesis, University of Bath, 1989. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.236717.

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Wakim, Lara Maria. "Caractérisation environnementale des sols : de nouvelles pistes pour expliquer la variabilité spatiale de la maladie de Crohn ?" Electronic Thesis or Diss., Université de Lille (2022-....), 2023. https://pepite-depot.univ-lille.fr/ToutIDP/EDSMRE/2023/2023ULILR089.pdf.

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La maladie de Crohn est une maladie inflammatoire chronique dont l'étiologie reste inconnue, et les facteurs environnementaux figurent parmi les causes potentielles. Parmi ces facteurs, la contamination des sols n'a jamais été étudiée, bien que de nombreuses substances polluantes qui y sont présentes aient été associées à la maladie dans des études épidémiologiques. La France dispose du plus grand registre de la maladie de Crohn au monde, EPIMAD, qui couvre quatre départements : le Nord, la Somme, le Pas-de-Calais et la Seine-Maritime, où des clusters spatiaux de sur- et de sous-incidence ont

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Ying-Hao and 廖英皓. "A Numerical Analysis of Heat Transfer on the Crown of the Piston." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/99034879235272364294.

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碩士<br>國立交通大學<br>機械工程系<br>91<br>The aim of the numerical analysis is to investigate the variations of flow and thermal fields in the cooling channel within the reciprocating piston, and discuss the heat transfer effect of the cooling flow on the heated crown of the piston. At first, a Galerkin finite element formulation with ALE method is adopted to investigate the variations of the flow and thermal fields induced by the reciprocation of the piston. Then, this study will express the comparisons of the heat transfer effect on the heated surface of the piston reciprocating with differe

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Lai, Yu-Chih, and 賴昱志. "A Numerical Analysis In Improving Heat Transfer Efficiency on the Crown of the Piston." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/3e2w2m.

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碩士<br>國立交通大學<br>機械工程系所<br>92<br>The aim of this numerical analysis is to investigate the variations of flow and thermal fields in the cooling channel within the reciprocating piston, and discuss the heat transfer effect of the cooling flow on the heated crown of the piston. At first, a Galerkin finite element formulation with ALE method is adopted to investigate the variations of the flow and thermal fields induced by the reciprocation of the piston. Then, the heat transfer effect on different model set up such like different Reynolds numbers, Grasholf numbers, and piston’s relative angles fro

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Park, Soochan. "Fuel film temperature and thickness measurements on the piston crown of a direct-injection spark-ignition engine." 2003. http://www.library.wisc.edu/databases/connect/dissertations.html.

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Lin, Tung-Yi, and 林東毅. "Numerical Calculation of Airflow Field Distribution Study the Effect of Piston Crown Shape during the Compression Process in a Diesel Engine." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/48153531485056440798.

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碩士<br>國立臺灣海洋大學<br>機械與輪機工程學系<br>92<br>ABSTRACT The diesel engine of two stroke is liked, but their shortcomings such as high pollution, and high consume fuel, which are industrial engineers and the academic community want to probe into the problem, then, how to design some movements that improve the mix of fuel and air, combustion efficiency, can’t go so far as to chew fuel up much, moreover, produce propulsive force with effect be had wanting to break through a topic for study in many years. This project applies the Flow-3D to investigate the influence of swirl and squish motion of the pis

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Book chapters on the topic "Piston crown"

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Telote, Sameer Murlidhar, A. K. Aadhithiyan, R. Sreeraj, and S. Anbarasu. "Thermal Analysis of Ceramic Coated Piston Crown Used in a Diesel Engine." In Green Energy and Technology. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2279-6_57.

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Pribadi, Elwas Cahya Wahyu, S. Semin, Agoes Santoso, and Muhammad Irsyad Saihilmi. "Static Structural Simulation on A 47-mm-Crown-Diameter Lateral Swirl Combustion System (LSCS) Piston Modified." In Advances in Science, Technology & Innovation. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-76837-8_14.

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Mohammad Shareef, Sk, A. L. N. Arun Kumar, and T. Venkatesh. "Experimental Investigation of Semi-elliptical Arc Groves on Piston Crown of Direct Injection Diesel Engine Using Apricot Oil." In Recent Advances in Sustainable Technologies. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0976-3_3.

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Theja, Akkaraju H. Kiran, and Rayapati Subbarao. "Investigations on the Performance of Various Bio-Fuels Along with Low Thermal Conductivity Piston Crown in a Diesel Engine." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-1771-1_32.

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Şugar, I. R., M. Banica, and L. Giurgiulescu. "Experimental Study on the Influence of Using Pistons with Ceramic Crown on Actual Torque and CO Emission." In Proceedings of the 4th International Congress of Automotive and Transport Engineering (AMMA 2018). Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-94409-8_42.

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Griffiths, Huw. "Necks, Throats and Windpipes in Henry V: Sovereignty Translated." In Shakespeare's Body Parts. Edinburgh University Press, 2020. http://dx.doi.org/10.3366/edinburgh/9781474448703.003.0003.

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Henry V features a lot of throats, necks and – in French – “gorges”. It is also a play interested in the relationship between sovereign power and capital punishment. These vulnerable body parts are frequently placed within violent acts of translation and exchange: throats cut, strangled and transformed. French gorges are put in the place of English throats as Nym and Pistol trade threats back in England; Pistol offers to refrain from “couper la gorge” if he is given English “brave crowns” in return; the “col” of a French princess is translated into an English “nick”; and Bardolph’s “vital thread” is “cut / With edge of penny cord” in return for stealing “a pax of little worth”. It is in, and through, the “throat” that Henry V represents and interrogates the transactions that pertain to the mechanics of sovereignty.

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Appelbaum, Paul S. "The Insanity Defense: Moral Blameworthiness and Criminal Punishment." In Almost A Revolution. Oxford University PressNew York, NY, 1994. http://dx.doi.org/10.1093/oso/9780195068801.003.0005.

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Abstract On March 30, 1981, a troubled 25-year-old man with a .22-caliber pistol lurked in the crowd outside the Washington Hilton, where President Ronald Reagan was addressing a luncheon gathering of 3,500 AFL-CIO delegates. As the President emerged from the hotel lobby, the crowd surged toward him. Carefully positioned in the front rank, the young man pulled the pistol from his jacket and began firing. His first shot hit presidential press secretary James Brady over his left eye, entering the frontal lobe of his brain. The next bullet struck a Washington police officer; the third barely missed a presidential aide. A Secret Service agent who was attempting to shield the President took the fourth round in his abdomen, as the President was shoved by another agent into the Presidential limousine. The fifth shot smashed into the car’s bulletproof window, behind which a startled Ronald Reagan was huddled. Only one round remained in the gun. As the young man squeezed the trigger for the last time, the bullet ricocheted off the rear fender of the limousine, entered the vehicle through the still-open door, and struck the President on the left side of his chest. The assailant, his gun now empty, was wrestled to the ground by Secret Service agents.

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Olsen, Christopher J. "Introduction." In Political Culture and Secession In Mississippi. Oxford University PressNew York, NY, 2000. http://dx.doi.org/10.1093/oso/9780195131475.003.0001.

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Abstract It was late October, 1855, in Handsboro, Mississippi. A typical afternoon barbecue turned tense and violent when Democrat Robert Saffold drew a loaded pistol, aimed, and threatened to shoot his opponent for the state senate, prominent attorney Roderick Seal (figure 1.1). The trouble began when, along with a crowd of several hundred others, Saffold and Seal listened to a speech by Know-Nothing Isaac Martin, a local Harrison County politician. In the course of his remarks, Martin claimed that President Thomas Jefferson had once directed his postmaster general to bar all foreigners from post office patronage. This order, he implied, demonstrated that the Democratic Party had discriminated against foreigners in the past, making its current complaints about the Know Nothings’ nativist platform hypocritical and dishonest.

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Conference papers on the topic "Piston crown"

1

MacAdam, Stuart, and Alan Levy. "Performance of Ceramic Coatings on Diesel Engines." In CORROSION 1986. NACE International, 1986. https://doi.org/10.5006/c1986-86107.

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Abstract Partially stabilized zirconia ceramic thermal barrier coatings were plasma sprayed on the valve faces and tulips and the piston crowns and cylinder heads of a locomotove size diesel engine at a designated thickness of 375μm (0.015″). They were tested in the engine on a test stand over a range of throttle settings for 500 hours using No. 2 diesel oil fuel. Properly applied coatings performed with essentially no change in composition, morphology or thickness. Improperly applied coatings underwent mild to severe spalling for reasons that could be readily identified. The durability of the

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Duyar, Mustafa. "Mass Conserving Elastohydrodynamic Piston Lubrication Model With Incorporated Crown Lands." In ASME 2007 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/icef2007-1710.

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This paper describes a comprehensive model of Elastohydrodynamic piston lubrication, incorporated the crown lands into solution domain to characterize the effect of crown-liner interactions on piston motion. Elastohydrodynamic Lubrication (EHL) analysis of a piston skirt-liner conjunction is in general a useful methodology for design analysis of pistons. The diameters of piston crown lands are much less than those of skirt and liner for typical piston designs. Therefore crown lands normally do not interact with liner under usual operating conditions and hence most of the researchers exclude cr

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Bechter, Christian, Axel Jahn, Frieder Zimmermann, Uwe Stamm, and Thomas Herb. "Development of a Novel Hybrid-Piston for Application in High Performance Two-Stroke Engines." In Small Engine Technology Conference & Exposition. Society of Automotive Engineers of Japan, 2020. http://dx.doi.org/10.4271/2019-32-0508.

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<div class="section abstract"><div class="htmlview paragraph">The current development trends for high performance two-stroke engines have been identified in raising combustion pressures and therefore higher cylinder temperatures [<span class="xref">1</span>] [<span class="xref">2</span>]. Thus, the requirements on piston assembly are increased in such a way that pistons based on aluminium-silicon alloys – as most commonly used in high performance two-stroke engines - reach their application limit. A suitable solution has been shown by research work such as t

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Wang, Yi, Limin Wu, Shuo Liu, Mei Li, Xianghui Meng, and Yi Cui. "Numerical Study on Fretting Wear of Mating Surface Between Piston Crown and Skirt in Heavy Duty Diesel Engine." In ASME 2018 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/icef2018-9621.

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Composite pistons are often used in heavy duty diesel engines due to its good reliability and durability. Owing to the alternating loads, fretting wear usually happens on the mating surfaces between piston crown and skirt. In this paper, a fretting wear finite element model is developed to analyze the mating surface wear of composite piston of heavy duty diesel engine. The fretting wear model predicts the wear depth evolution for each working cycle based on Archard model and mesh updating technique, which is validated by previous pin and disk contact experiments. The wear evolution of the top

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Rajashekar, Chandrashekarapur Ramachandraih, Tumkur Krishnamurthy Chandrasekhar, Tejendra Prasad, Chelur Rangalppa Kemparaju, and Chebiyyam Uma Shankar. "Combustion Analysis of Twisting-Blade Piston Diesel Engine Fuelled With Karanja Bio-Diesel." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-64138.

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Bio-diesels have very poor atomization characteristics, due to decreased cone angle because of high viscosity and low volatility. Innovativeness is required to use the bio-diesel as efficient vehicular fuel. This paper presents the effect of piston geometry on combustion and emission characteristics of Karanja bio-diesel fuelled C.I.Engine. The piston crown has been modified into twisting blade combustion chamber. Three blades are made to twist through an angle of 60o in the piston crown at the end of compression stroke to induce turbulence to improve the combustibility of combustible mixture.

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Pedersen, Troels Dyhr, and Jesper Schramm. "Reduction of HCCI Combustion Noise Through Piston Crown Design." In International Powertrains, Fuels & Lubricants Meeting. SAE International, 2010. http://dx.doi.org/10.4271/2010-01-1487.

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Kubicki, Maciej, Harry Watson, John Williams, and Peter Stryker. "Spatial and Temporal Stress Distributions in Spark Ignition Engine Pistons at Wide Open Throttle." In ASME 2007 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/icef2007-1726.

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Spatial and temporal stress distributions in two piston geometries for a sinusoidal piston motion engine with different rigid piston-connecting rod attachments were investigated; one was a homogeneous, all-aluminum piston with a bolted connection located remote to the piston crown, and the second was a composite piston structure in which a steel connecting rod is imbedded into the aluminum piston crown. The piston stress response to the applied thermo-mechanical loads was predicted using LUSAS (London University Stress Analysis System). A dynamic finite element analysis of the homogeneous pist

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Memme, Silvio, and James S. Wallace. "The Influence of Thermal Barrier Coating Surface Roughness on Spark-Ignition Engine Performance and Emissions." In ASME 2012 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/icef2012-92078.

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The separate effects on heat transfer of 1) piston crown surface finish and 2) the use of a metal based thermal barrier coating (MTBC) on the piston crown of a spark ignition (SI) engine were quantified through experimental analysis in a single cylinder CFR engine. Measured engine parameters such as power, fuel consumption, emissions and cylinder pressure were used to identify the effects of the coating and its surface finish. Two piston coatings were tested: a baseline copper coating and a metal-based thermal barrier coating. Each coating was tested at multiple surface finishes. Tests showed

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Chen, Yu, and Shashank Moghe. "Heavy Duty Engine Piston Cooling Gallery Oil Filling Ratio Measurement and Comparison of Results With Simulation." In ASME 2018 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/icef2018-9582.

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Pistons for heavy duty diesel applications endure high thermal loads and therefore result in reduced durability. Pistons for such heavy duty applications are generally designed with an internal oil gallery — called the piston cooling gallery (PCG) — where the intent is to reduce the piston crown temperatures through forced convection cooling and thereby ensure the durability of the piston. One of the key factors influencing the efficiency of such a heat-transfer process is the volume fraction of oil inside the piston cooling gallery — defined as the filling ratio (FR) — during engine operation

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Mignano, Frank, Ruoyu Wang, Gang Chen, Qian Wang, Yiding Cao, and Adoniran Vargas. "Development of a Diesel-Engine Piston by Incorporating Heat Pipe Technology - Experimental Simulation of Piston Crown." In International Congress & Exposition. SAE International, 1998. http://dx.doi.org/10.4271/981042.

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