研究生: |
陳囿佐 Yu-Tso Chen |
---|---|
論文名稱: |
微型渦輪轉子動力測試系統之研究 Microturbine Rotor Dynamic Testing Study |
指導教授: |
蔣小偉
Hsiao-Wei Chiang |
口試委員: | |
學位類別: |
碩士 Master |
系所名稱: |
工學院 - 動力機械工程學系 Department of Power Mechanical Engineering |
論文出版年: | 2005 |
畢業學年度: | 93 |
語文別: | 中文 |
論文頁數: | 73 |
中文關鍵詞: | 微型渦輪引擎 、轉子 、振動 、模態 、測試 |
相關次數: | 點閱:1 下載:0 |
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本論文乃針對微型渦輪轉子的振動研究進行實驗方法之建構,主要分為硬體架設與軟體處理兩大部分,建立測試實驗之標準流程,最後討論本實驗架構之優缺點。
結構振動理論為討論轉子振動問題的基礎理論,吾人針對訊號處理的問題作原理上的討論與常用加權函數的選擇。硬體架構上根據本實驗室目前所擁有的數據擷取系統進行延伸,選擇適當的感測器規格與操作方法。並針對數據擷取系統不足的地方採用軟體處理方式補強,支援軟體選用MATLAB處理程式,克服實驗環境中的雜訊問題,使訊號能從雜訊裡面被分離出做為分析的依據。最後將本系統應用在靜態量測與動態分析上。
實驗方面選擇三種不同的微型渦輪轉子進行測試,根據不同的狀況調整硬體週邊設備,並說明實驗架設中應該注意的事項,貽實驗測試完成後,以商用有限元素分析軟體DyRoBeS與國內外相關文獻報告中的測試結果相比較,驗證本套實驗方法的可靠性。
Abstract
The object of the investigation is to develope a method of vibration testing on Microturbine rotor. We build this method with two major parts - hardward setting and softward deading to erect a standard process of testing and discuss, and discuss about the advantage and disvatage on it, finally.
Structure vibration analysis is the basic theory of discussing the question of rotor vibration with time domain and frequency domain analysis. We make the discussion on the principle and daily choice with windows function to the question that the signal dealt with. According to the data acquistion system in our labiratory, we enhance the function on hardward setting; choose the proper sensors and correct working technique, and pick the insufficient place of this system, dealing with softward to mend strongly to the data. In order to overcome the noise in the experiment environment, we select MATLAB softward for use to be isolated signal making from the noise so that we can analyse clearly. Finally, we apply this system in static and dynamic testing research.
In experiment, We choose three kinds of different Microturbine rotors. Adjust the peripheral equipment of hardware according to different states, and state the item that the experiment should be paid attention to while erecting. After finishing the experiment testing, we use DyRoBeS softward to simulated, and compare with the testing result in the reference, to verity the dependability of this set of experiments method.
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