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研究生：	林山瑞 Lingala Santhosh Reddy
論文名稱：	使用田口和多目標遺傳算法優化離心壓縮機設計 Optimization of a Centrifugal Compressor Design Using Taguchi and Multi-Objective Genetic Algorithm
指導教授：	賴維祥 Lai, Wei Hsiang
學位類別：	碩士 Master
系所名稱：	工學院 - 航空太空工程學系 Department of Aeronautics & Astronautics
論文出版年：	2022
畢業學年度：	110
語文別：	英文
論文頁數：	73
中文關鍵詞：	離心壓縮機、田口法、CFD 、次音速模型、超音速模型
外文關鍵詞：	Centrifugal compressor, Taguchi, CFD, Subsonic model, Supersonic model
相關次數：	點閱：68 下載：0
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摘要	I
Abstract	II
Acknowledgment	III
Table of Contents	IV
List of Tables	VII
List of Figures	VIII
Nomenclature	XI
Chapter 1 Introduction	1
1 Background	1
2 Objective and Motivation	2
3 Literature review	3
Chapter 2 Description of Micro Turbine Engine	6
1 Micro Gas Turbine Engine	6
2 Turbocharger	8
2.1 Turbocharger construction	8
2.2 Center- housing	9
2.3 Bearings	10
2.4 Seals	10
2.5 The Compressor	10
2.6 The Compressor wheel	12
2.7 Types of compressor wheels	13
2.8 The compressor cover	17
3 The Turbine	22
Chapter 3 Research Methodology	23
1 Research Methodology Flowchart	23
2 Design and Analysis of Impeller	24
2.1 The Initial design for the subsonic model	25
3 Compressor map	28
4 Tip Clearance Analysis	29
5 Taguchi Analysis	31
5.1 Orthogonal array	32
5.2 Orthogonal array selection rules	33
6 RSO and DOE method to improve efficiency	34
6.1 GA methodology	35
6.2 ANSYS software DOE and RSO	36
6.2.1 Overview	36
Chapter 4 Results and Discussion	40
1 Results of subsonic model	40
1.1 Taguchi results	40
1.2 CFX results for subsonic model	44
1.2.1 Boundary condition settings 	44
1.3 2nd stage of optimization using the DOE and RSO method	50
1.4 Optimized solid CAD model of a centrifugal compressor impeller	52
2 Results of a supersonic model	52
2.1 Taguchi results	52
2.2 CFX results for subsonic model	56
2.3 DOE and RSO results 	61
2.5 Optimized solid CAD model 	62
3 Comparing the results	63
Chapter 5 Conclusions and Future Work	65
1 Conclusions	65
2 Future Work	65
References	66
Appendix	69
                                    

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