Design and Analysis of Engine Block

Veerapratap. N, Shaik abzal basha, A.Vidhya Sagar


A cylinder block is an integrated structure comprising the cylinder(s) of a reciprocating engine and often some or all of their associated surrounding structures The various main parts of an engine (such as cylinder(s), cylinder head(s), coolant passages, intake and exhaust passages, and crankcase) are conceptually distinct, and these concepts can all be instantiated as discrete pieces that are bolted together. The purpose of the engine block is to support the components of the engine. Additionally, the engine block transfers heat from friction to the atmosphere and engine coolant.

From carburetor or fuel injector (fuel and air mixture) is supplied to cylinders of the engine. The fuel and air mixture are injected at high pressure into cylinders of the engine. Due to this applied pressure on the cylinder, the cylinder undergoes some deformation and produce stresses in the cylinder. With respect to stresses, Weight is also important factor in automobile industries, due to heavy weight of engine block, power consumption is high.

In this paper, a research on static and dynamic behavior of a diesel engine block is carried out in Finite Element Method (FEM) software  for composite HM Carbon/Epoxy. Stresses, Natural frequencies and Modal shapes are obtained by FEM calculation. Besides, based on the results, the stress positions on this block are identified to reduce the weight of engine. Analysis is carried on designed   model for HM Carbon/Epoxy. NX-CAD software is used for 3d modeling of engine block and ansys software is used for analysis of engine block.

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