Experimental study of ceramic coated piston crown for compressed natural gas direct injection engines

Helmisyah Ahmad Jalaludin, Shahrir Abdullah, Mariyam Jameelah Ghazali, Bulan Abdullah, Nik Rosli Abdullah

Research output: Chapter in Book/Report/Conference proceedingConference contribution

10 Citations (Scopus)

Abstract

High temperature produced in a compressed natural gas with direct injection system (CNGDI) engine may contribute to high thermal stresses. Without appropriate heat transfer mechanism, the piston crown would operate ineffectively. In this work, bonding layer NiCrAl and ceramic based yttria partially stabilized zirconia (YPSZ) were plasma sprayed onto AC8A aluminum alloy CNGDI piston crowns and normal CamPro piston crowns in order to minimize thermal stresses. Several samples were deposited with NiCrAl bonding layers prior to coating of YPSZ for comparison purpose with the uncoated piston. The performance of the coating against high temperature was tested using a burner rig. The temperatures on the top of piston crown and piston underside were measured. Finally, the heat fluxes of all conditions of piston crown were calculated. In short, the YPSZ/ NiCrAl coated CNGDI piston crown experienced the least heat fluxes than the uncoated piston crowns and the coated CamPro piston crown, giving extra protection during combustion operation.

Original languageEnglish
Title of host publicationProcedia Engineering
PublisherElsevier Ltd
Pages505-511
Number of pages7
Volume68
DOIs
Publication statusPublished - 2013
Event2013 1st Malaysian International Tribology Conference, MITC 2013 - Kota Kinabalu, Sabah, Malaysia
Duration: 18 Nov 201320 Nov 2013

Other

Other2013 1st Malaysian International Tribology Conference, MITC 2013
CountryMalaysia
CityKota Kinabalu, Sabah
Period18/11/1320/11/13

Fingerprint

Compressed natural gas
Direct injection
Pistons
Engines
Yttria stabilized zirconia
Thermal stress
Heat flux
Coatings
Fuel burners
Temperature
Aluminum alloys

Keywords

  • Burner rig test
  • Compressed natural gas
  • Heat flux
  • Piston crown
  • Thermal barrier coating

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Jalaludin, H. A., Abdullah, S., Ghazali, M. J., Abdullah, B., & Abdullah, N. R. (2013). Experimental study of ceramic coated piston crown for compressed natural gas direct injection engines. In Procedia Engineering (Vol. 68, pp. 505-511). Elsevier Ltd. https://doi.org/10.1016/j.proeng.2013.12.213

Experimental study of ceramic coated piston crown for compressed natural gas direct injection engines. / Jalaludin, Helmisyah Ahmad; Abdullah, Shahrir; Ghazali, Mariyam Jameelah; Abdullah, Bulan; Abdullah, Nik Rosli.

Procedia Engineering. Vol. 68 Elsevier Ltd, 2013. p. 505-511.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Jalaludin, HA, Abdullah, S, Ghazali, MJ, Abdullah, B & Abdullah, NR 2013, Experimental study of ceramic coated piston crown for compressed natural gas direct injection engines. in Procedia Engineering. vol. 68, Elsevier Ltd, pp. 505-511, 2013 1st Malaysian International Tribology Conference, MITC 2013, Kota Kinabalu, Sabah, Malaysia, 18/11/13. https://doi.org/10.1016/j.proeng.2013.12.213
Jalaludin, Helmisyah Ahmad ; Abdullah, Shahrir ; Ghazali, Mariyam Jameelah ; Abdullah, Bulan ; Abdullah, Nik Rosli. / Experimental study of ceramic coated piston crown for compressed natural gas direct injection engines. Procedia Engineering. Vol. 68 Elsevier Ltd, 2013. pp. 505-511
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