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研究生：	劉翠鵑
論文名稱：	以徑向振動波模式探討軸向張力對徑向振動傳輸功率之影響
指導教授：	王林玉英
學位類別：	碩士 Master
系所名稱：	物理學系 Department of Physics
論文出版年：	2007
畢業學年度：	95
語文別：	中文
論文頁數：	48
中文關鍵詞：	徑向振動理論、彈性模數、環向彈性位能、軸向動能、主動脈弓
論文種類：	學術論文
相關次數：	點閱：120 下載：1
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本研究以「徑向共振理論」的理論模式為基礎，利用Latex管模擬實驗瞭解軸向張力對管子的彈性模數Ep，管內壓力波波速V，以及環向彈性位能Pc的影響。並用Latex管與氣球模擬主動脈弓構造，探討轉彎對壓力波振幅造成的影響。
實驗以電磁鐵台輸出脈衝波和週期波模擬心臟輸出，Latex管模擬主動脈以及將管彎曲模擬主動脈弓，利用水槽提供系統靜壓模擬動脈系統中的舒張壓，拉長管子模擬生理上的軸向伸長。波源輸入後，由壓力轉換器量測管內壓力隨時間變化，並由傅力葉分析轉換成頻譜圖。
實驗證明軸向張力使得彈性模數Ep變小，波速也有減小趨勢。且當軸向張力逐漸增加，環向彈性位能Pc並非逐漸增加或減少，而是有一峰值出現。此外由彎管實驗，也證明不論是脈衝波或週期波輸入，轉彎的確能使壓力波振幅增加。
不管是藉軸向張力改變血管彈性或使血管彎曲，所得結果與傳統流量理論不符，但符合共振理論，更加深了共振理論的合理性。

目錄 Table of Contents
摘要Abstract....................................................................................................................3
圖 List of Figures..............................................................................................................4
表 List of Tables...............................................................................................................6

Chapter 1. 以管子模擬實驗探討軸向張力對循環系統的影響
 1.1. 緒論 Introduction...............................................................................................7
 1.2. 理論 Theory.......................................................................................................8
 1.2.1. 壓力對動脈管壁所做的功........................................................................8
 1.2.2. 徑向振動傳輸功率..................................................................................10
 1.3. 實驗裝置與方法 Experimental setup and methods.........................................11
 1.3.1.實驗設備...................................................................................................11
 1.3.2.實驗裝置與方法.......................................................................................12
 1.4. 結果與討論 Results and discussions...............................................................23

Chapter 2.  以管子模擬實驗探討轉彎對壓力振幅的影響
 2.1. 緒論 Introduction.............................................................................................33
 2.2. 實驗裝置與方法 Experimental setup and methods.........................................34
 2.2.1. 實驗設備..................................................................................................34
 2.2.2. 實驗裝置與方法......................................................................................35
 2.3. 結果與討論 Results and discussions...............................................................39

參考文獻 Reference.........................................................................................................42
      附錄A  微量天平規格表................................................................................................44
   附錄B  壓力轉換器規格表............................................................................................45
   附錄C  AXIOM MSC-1020 取樣保持卡.......................................................................47
   附錄D  AXIOM AX5412 A-D卡...................................................................................48
                                

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