Abstract
Connecting Rod is an important component in reciprocating type of I.C engines. The chances of fatigue failure in connecting rod are higher when it is subjected to alternative compressive and tensile stresses in a cycle of the engine. More over the connecting rod is also subjected to buckling stress as it acts as a column. Hence, it is necessary to determine the fatigue life of the existing connecting rod materials and also look for alternative materials. Using the output of a test, which was conducted on computerized variable compression ratio (V.C.R), Kirloskar Diesel Engine equipment provided with a pressure transducer, kinematic and dynamic analysis of a connecting rod was carried out at a compression ratio of 16.5. Further the results of Dynamic analysis were utilized for carrying out Quasi-Dynamic stress analysis. We embarked on performing the kinematic and dynamic analysis of connecting rod using MATLAB at a compression ratio of 16.5, 17.5 and 18.5 and also at four different critical crank angles with the existing materials namely Forged Steel, Aluminum Alloy and Titanium alloy. Further, the analysis was performed by using ANSYS workbench for determining the Vonmises stresses, Deformations, Life and Factor of safety.
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