ABSTRACT In modern technology era, fuel consumption always has been main topic as the source of fuel is decreasing day after day. Many research and experiment has been made to improve the performance of the engine consequently will reduce the fuel consumption of the engine. A lot of development was made from the intake stroke until the exhaust stroke such fuel injection and compressor to increase air fuel ratio before injected to the engine. There are many type of engine has been produced nowadays which are reciprocating engine, diesel engine and rotary engine. Ideally the performance of the rotary engine is higher than reciprocating engine but the rate of unburned fuel in rotary engine is higher than reciprocating engine. The project was done to investigate the flow field of the rotary engine, fuel concentration and fuel injection near the spark plug, and the pressure and temperature distribution in the rotary engine.
The methodology to the project was simulate and calculate using computational fluid dynamic software which are GAMBIT and FLUENT. The project was assumed as steady state problem since in order to do dynamic mesh; a lot of consideration must take to finish the task. In GAMBIT, the geometry of the rotary engine was built until meshing task. After that, mesh file was exported into FLUENT in order to declare boundary condition, operating condition, type of turbulence model, and material properties. After simulation was done, the result on temperature, pressure and density has been recorded into data and translated it into graph. The graph was compared to theoretical and journal that related to this project.
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CHAPTER 1 INTRODUCTION
1.1. Overview 1.1.1. Background Felix Wankel, German Engineer produces a great rotary engine on February 1, 1957 after 6-years working on this engine. Basic idea is almost same compare to 4-stroke engine. The Wankel rotary engine is a fascinating beast that features a very clever rearrangement of the four... [continues]
The methodology to the project was simulate and calculate using computational fluid dynamic software which are GAMBIT and FLUENT. The project was assumed as steady state problem since in order to do dynamic mesh; a lot of consideration must take to finish the task. In GAMBIT, the geometry of the rotary engine was built until meshing task. After that, mesh file was exported into FLUENT in order to declare boundary condition, operating condition, type of turbulence model, and material properties. After simulation was done, the result on temperature, pressure and density has been recorded into data and translated it into graph. The graph was compared to theoretical and journal that related to this project.
Page | x
CHAPTER 1 INTRODUCTION
1.1. Overview 1.1.1. Background Felix Wankel, German Engineer produces a great rotary engine on February 1, 1957 after 6-years working on this engine. Basic idea is almost same compare to 4-stroke engine. The Wankel rotary engine is a fascinating beast that features a very clever rearrangement of the four... [continues]
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