Design Analysis of HCCI Engine Piston

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The piston is a heart of the engine and its working condition is the most exceedingly bad one of the key parts of the engine in the workplace. A piston is a segment of responding piston, responding pumps, gas compressors and pneumatic chambers, among other comparative systems. It is the moving part that is contained by a barrel and is made gas-tight by piston rings. In a piston, its motivation is to exchange force from growing gas in the barrel to the crankshaft through a piston bar and additionally associating pole connecting rod. In this study, firstly, thermal analyses are investigated on a piston, made of Cast Aluminum alloy and titanium alloy.

Then, structural analyses are performed on piston of titanium alloy & Aluminum alloy material by means of using ANSYS workbench. The effects of thermal behaviors of the pistons are investigated. The main objective is to investigate and analyses the thermal stress distribution of piston at the real engine condition during combustion process. This work advancement by utilizing finite element analysis to anticipate the higher stress and critical area are on the component. In order to find the displacement, thermal and stress appropriation of the piston, ANASYS software is utilized to analyze the piston under the thermal loads and mechanical loads.

TITLE OF CONTENT

CHAPTER NO.

TITLE

PAGE NO.

 

ABSTRACT

      iii

 

LIST OF TABLES

      vii

 

LIST OF FIGURES

      viii

1

INTRODUCTION

1

 

1.1 Factors considered for proper functioning of piston

2

2

LITERATURE REVIEW

4

3

DESCRIPTION OF THE PISTON

7

 

3.1 Piston Rings

7

4

MATERIAL SELECTION

11

 

4.1 Commonly used material properties of piston

12

 

4.2 Various techniques used for coating

13

 

4.2.1 Physical Vapour deposition

13

 

4.2.2 Chemical Vapour deposition

13

5

MATERIAL PROPERTIES OF THE PISTON

15

6

INRODUCTION TO ANSYS

16

 

6.1 Software overview

16

 

6.1.1 ANSYS 14.0

16

 

6.1.2 Overview of ANSYS Work Bench

16

 

6.2 Types of cells

17

 

6.3 Getting started to ANSYS

17

 

6.3.1 The Tool Bar and Menu Bar

18

7

ANALYSIS OF PISTON HEAD

19

 

7.1 Aluminum alloy at 3KN

19

 

7.1.1 Static Structural Analysis

19

 

7.1.2 Steady State Thermal Analysis

23

 

7.2 Aluminum silicon carbide at 3KN

26

 

7.2.1. Static Structural Analysis

26

 

7.2.2 Steady State Thermal Analysis

29

 

7.3 Silicon carbide reinforced zirconium di-boride

31

 

7.3.1 Static Structural Analysis

31

 

7.3.2 Steady State Thermal Analysis

34

8

RESULT ANALYSIS OF PISTON

37

9

CONCLUSION

38

 

REFERENCE

39

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