Analysis and optimization of a Rapid Compression Machine
Analysis and optimization of a Rapid Compression Machine
The Rapid Compression Machine at LEC is used for the investigation of ignition, combustion and knocking investigations of combustion engines. Due to the concept without a crank train, this machine can be used to simulate individual combustion cycles with great flexibility in terms of piston stroke, compression ratio and composition of the working gas. The optical access in the piston and in the liner enables high speed camera recordings of the combustion process. The investigations serve on the one hand to gain a deeper understanding of the complex processes in the combustion chamber and on the other hand offer the possibility of validating simulation models (e.g. in the 3D CFD simulation) using the generated measurement data. The target of this thesis is to eliminate the weaknesses in the sealing of the mass balancing piston, the piston tube, and the liner.
Tasks:
- Creation of a 3D and 2D model of the test bed
- Analysis of the reasons for failure (examination of the materials used, testing of component loads, geometries, assembly, media resistance, etc.)
- Developing solutions with regard to material selection, design, production and assembly
- Defining the change measures
- Production, assembly and testing of the design
- Composition of the master’s thesis
Your profile: Basic knowledge in design of machine components
Starting date: As soon as possible
Duration: 6 months
Contact:
Ao. Univ.-Prof. Dr. Andreas Wimmer, +43 (316) 873-30101, andreas.wimmer@lec.tugraz.at