Experimental investigation of an oil loss mechanism in internal combustion engines

Download

index.pdf

Date

2010

Author

Sezer, Ahmet

Metadata

Show full item record

Item Usage Stats

235
views

120
downloads

Oil loss mechanisms in internal combustion engines have been subject to many researches. By the help of technological developments effects of several problems due to oil losses were examined and tried to be reduced. Environmental pollution and performance loss are important issues that oil consumption in internal combustion engines contribute. In this study the effects of individual parameters on the oil accumulation in 2nd land crevice of internal combustion engines, volume between top compression rings, were investigated. The study aimed to investigate the effects of oil film thickness and oil film temperature on the oil accumulation in the 2nd land which contributes to one of the mechanisms of oil consumption in internal combustion engines. Controlled experiments were performed on a modeled piston cylinder assembly. It was seen that oil accumulated in the 2nd land crevice by blow-by gases was affected by the film thickness of lubricating oil and the temperature of the lubricating oil. The amount of oil accumulated increased with increasing oil film thickness. The results also showed that below oil film thickness of 45 μm; amount of oil accumulated increased with the increase of oil temperature.

Subject Keywords

Mechanical engineering.

URI

http://etd.lib.metu.edu.tr/upload/3/12611954/index.pdf
https://hdl.handle.net/11511/19687

Collections

Graduate School of Natural and Applied Sciences, Thesis

Suggestions

OpenMETU
Core

Validation of MISES Two-Dimensional Boundary Layer Code for High-Pressure Turbine Aerodynamic Design ANDREW, PHILIP; Kahveci, Harika Senem (ASME International, 2009-07-01) Avoiding aerodynamic separation and excessive shock losses in gas turbine turbomachinery components can reduce fuel usage and thus reduce operating cost. In order to achieve this, blading designs should be made robust to a wide range of operating conditions. Consequently, a design tool is needed-one that can be executed quickly for each of many operating conditions and on each of several design sections, which will accurately capture loss, turning, and loading. This paper presents the validation of a bounda...
Experimental study of solid propellant combustion instability Çekiç, Ayça; Ulaş, Abdullah; Department of Mechanical Engineering (2005) In this study, experimental investigation of solid propellant combustion instability using an end burning T-Burner setup is performed. For this purpose, a T-Burner setup is designed, analyzed, constructed and tested with all its sub components. T-Burner setup constructed is mainly composed of a base part, a control panel and the T-Burner itself. Combustion chamber, pressure stabilization mechanism, pressurization system, measurement instruments and data acquisition systems form the T-Burner. Pressure stabil...
Experimental investigation of oil accumulation in second land of internal combustion engines İÇÖZ, TUNÇ; Dursunkaya, Zafer (ASME International, 2005-01-01) Blowback of engine oil suspended in combustion gases, when the gas flows from the piston second land back into the combustion chamber is believed to contribute to oil consumption and hydrocarbon emissions in internal combustion engines. Oil accumulation in the region between top and second compression rings is a factor that influences this phenomenon. The effects of individual parameters, such as oil film thickness and viscosity, however have still not been understood. The present study was aimed at constru...
Experimental investigation of use of canola oil as a diesel fuel Özdemir, Ali; Bayka, Ahmet Demir; Department of Mechanical Engineering (2008) In this study, canola oil has been selected for the test on a diesel engine and its suitability as an alternative fuel has been examined. To decrease the high viscosity of canola oil, the effect of temperature on viscosity has been researched. Then the fuel delivery system has been modified to heat canola oil before injecting the oil into the combustion chamber. Also, ethanol has been tested as an additive by blending with canola oil. An experimental setup has been installed according to standards to carry ...
Analysis of regenerative cooling ın liquid propellant rocket engines Boysan, Mustafa Emre; Ulaş, Abdullah; Department of Mechanical Engineering (2008) High combustion temperatures and long operation durations require the use of cooling techniques in liquid propellant rocket engines. For high-pressure and high-thrust rocket engines, regenerative cooling is the most preferred cooling method. In regenerative cooling, a coolant flows through passages formed either by constructing the chamber liner from tubes or by milling channels in a solid liner. Traditionally, approximately square cross sectional channels have been used. However, recent studies have shown ...

Citation Formats

A. Sezer, “Experimental investigation of an oil loss mechanism in internal combustion engines,” M.S. - Master of Science, Middle East Technical University, 2010.