Experimental Investigation on Performance of Single Cylinder Diesel Engine with Mullite as Thermal Barrier Coating

Authors

  • P. N. Shrirao J D College of Engineering, Maharashtra
  • A.N. Pawar Government Polytechnic, Maharashtra

Abstract

Tests were performed on a single cylinder, four stroke, direct injection, diesel engine whose piston crown, cylinder head and valves were coated with a 0.5 mm thickness of 3Al2O3 .2SiO2 (mullite) (Al2O3= 60%, SiO2= 40%) over a 150 μm thickness of NiCrAlY bond coat. The working conditions for the standard engine (uncoated) and low heat rejection (LHR) engine were kept exactly same to ensure a comparison between the two configurations of the engine. This paper is intended to emphasis on energy balance with and without ceramic insulation coating at identical conditions. Tests were carried out at same A/F ratio for both standard and low heat rejection engine at different engine load and engine speed conditions. The results showed that there was 1.07 % decreasing on specific fuel consumption value of low heat rejection (LHR) engine compared to standard engine at full load. However, there was as much as 16 % decreasing on heat amount to coolant of LHR engine compared to standard engine at full load. There was as much as 22 % increasing on heat amount to exhaust of LHR engine compared to standard engine at full load.

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How to Cite

Shrirao, P. N., & Pawar, A. (2015). Experimental Investigation on Performance of Single Cylinder Diesel Engine with Mullite as Thermal Barrier Coating. Journal of Mechanical Engineering and Technology (JMET), 3(1). Retrieved from https://jmet.utem.edu.my/jmet/article/view/360

Issue

Vol. 3 No. 1

Section

Others

License

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The manuscript is neither been published before, nor is it under consideration for publication in any other journals. It contains no matter that is scandalous, obscene, libelous or otherwise contrary to law.

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 All proprietary right other than copyright, such as patent rights.

  1. The right to make further copies of all or part of the published article for my/our use in classroom teaching.
  2. The right to reuse all or part of this material in a compilation of my/our own works or in a textbook of which I/we am/are the author(s).
  3. The right to make copies of the published work for internal distribution within the institution that employs me/us.

The authors agree that copies made under these circumstances will continue to carry the copyright notice that appeared in the original published work. The authors agree to inform any co-authors, if any, of the above terms. The authors certify that they have obtained written permission for the use of text, tables, and/or illustrations from any copyrighted source(s), and they agree to supply such written permission(s) to Journal of Mechanical Engineering and Technology upon request.

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