Experimental investigation of the effect of laser texturing on the used IC Engine Piston skirt

2018 ◽  
Vol 5 (1) ◽  
pp. 2773-2780 ◽  
Author(s):  
M.B. Nandakumar ◽  
K.G. Sudhakar ◽  
Harshad Natu ◽  
G.B. Jagadish
Keyword(s):  
Experimental Investigation ◽  
Laser Texturing ◽  
Ic Engine ◽  
Piston Skirt ◽  
Engine Piston

Experimental Investigation of Thermal Safety of the IC Engine in the Event of Coolant Loss

2021 ◽  
Author(s):  
Abubakker Sithick basha ◽  
Prasad NAMANI ◽  
Ranjit George Sebastian ◽  
Amit Malekar ◽  
Vikraman Vellandi
Keyword(s):  
Experimental Investigation ◽  
Thermal Safety ◽  
Ic Engine ◽  
Coolant Loss

Thermal Structural Optimization of IC Engine Piston

2020 ◽  
pp. 12-16
Author(s):  
Yousif Badri ◽  
Ahmed Shamseldin ◽  
Jamil Renno ◽  
Sadok Sassi
Keyword(s):  
Structural Optimization ◽  
Ic Engine ◽  
Engine Piston

Piston Ring Cavitation and Starvation During Entrainment Motion Reversal

2010 ◽  
Author(s):  
W. W. F. Chong ◽  
M. Teodorescu ◽  
N. D. Vaughan
Keyword(s):  
Thin Films ◽  
Piston Ring ◽  
Film Formation ◽  
Leading Edge ◽  
Current Paper ◽  
Ic Engine ◽  
Entrainment Velocity ◽  
Bottom Dead Center ◽  
Engine Piston ◽  
Piston Ring Lubrication

The current paper investigates the correlation between oil film formation, cavitation and starvation during inlet reversal of an Internal Combustion (IC) engine piston-ring conjunction. Piston ring lubrication is critical in the vicinity of Top Dead Center (TDC) and Bottom Dead Center (BDC) where low entrainment velocity leads to very thin films. The current study predicts that cavities formed at the trailing edge of the contact before the entrainment reversal briefly survive at the leading edge after the reversal. This contributes to contact starvation and thinner films than previously thought.

Wear Evaluation of Engine Piston Rings Coated With Dual Layer Hard and Soft Coatings

2018 ◽  
Vol 141 (3) ◽  
Author(s):  
Vikram Kumar ◽  
Sujeet Kumar Sinha ◽  
Avinash Kumar Agarwal
Keyword(s):  
Wear Rate ◽  
Physical Vapor Deposition ◽  
Cylinder Liner ◽  
Polymeric Composite ◽  
Piston Rings ◽  
Ic Engine ◽  
Base Oil ◽  
Engine Piston ◽  
Wear Evaluation ◽  
Over The Top

The main objective of this investigation is the evaluation of the performance of hard diamond-like-carbon (DLC) or tungsten carbide (WC) and soft (epoxy composite) dual-coatings on the internal combustion (IC) engine piston rings as a protective coating to reduce their wear. The rings were coated with DLC or WC by physical vapor deposition (PVD) method and then soft polymeric composite coating (epoxy/graphene/base oil SN150) was applied on the hard coating. The tribological tests of the dual-coated piston rings were conducted for 3.6 × 105 cycles at 1500 rpm engine speed and 50% rated load of a diesel engine in order to evaluate the wear performance of the piston rings. Scuffing of cylinder liner and piston rings interface was prevented by the application of polymer composites over the hard-coated rings. DLC hard and soft polymer composite dual coating over the top piston ring was found to have the lowest wear rate 1.69 × 10−12 mm3/N·m compared with the wear rate of dual coatings on the middle and lower rings.

Sign in / Sign up

Export Citation Format

Share Document