本篇論文在探討受限脈衝噴流在側向流影響下之流場變化。研究人工血管以不同插接角度對原始血管之流場所造成之變化，利用實驗來找出在受限邊界脈衝噴流中，關於人造血管的安裝角度所產生之側向流對主要血管之流場結構的分析，包括廻流區、速度與渦度分布等，以獲得最符合一般正常生理血管的安裝角度。此實驗利用壓克力圓管模擬人體原始血管之受限邊界條件，並把插接角度分為三種角度分別作探討。本實驗利用質點影像測速法作為量測流場之方法，藉由質點影像測速法算出三組不同角度插接之流場結構，包含速度分佈及渦度分佈，並分析三組不同角度插接之流場優劣。分析不同衝擊角度下之流場變化的結果，在三組不同角度下比較其流體緩慢位置，並從中找出最適合插接管應用的角度，在本文的最佳結果是以135度的角度插接下，所帶來的流場渦度及速度變化影響是最小的。

In this thesis, the influence of a confined pulsed jet in the crossflow is well studied.	The variations of the original blood vessel under different insert angles are experimentally investigated. Focused on observing the flow and the structure analysis of the crossflow to the main blood vessel caused by the installation angle of the artificial blood vessel in the restricted boundary pulsed jet. That includes the backflow area, velocity and vorticity distribution, in order to obtain the most consistent with the normal blood vessel installation angle.
	The experiment uses the acrylic tube to simulate the condition of the restricted boundary of the original blood vessel of the human body, separates the angle of the plug tube into three angles. The Particle Image Velocity method was adopted to be the main measurement facility. The developments flow field structures at three different conditions revealed via PIV system, including the velocity and vorticity distribution. The analysis then conclude the different angles’ Flow field merits and demerits.
	By analyzing the results of the variations of the flow field at different angles, comparing the slow position of the fluid at three different angles and finding the most suitable angle for the plug tube application. The best result that this paper concluded is to connect at 135 degrees. The impact of the flow field vorticity and velocity changes is minimal.

目錄

 
中文摘要.......................................... i

 
英文摘要......................................... ii

 
致謝............................................ iii

 
目錄............................................. iv

 
圖目錄........................................... Vi

 
第一章 序論....................................... 1

 
1.1 研究背景..................................... 1

 
1.2 研究動機與目的............................... 2

 
1.3文獻回顧..................................... 3

 
  1.4論文大綱..................................... 8

 
第二章
 實驗方法與設備.............................. 9

 
2.1實驗架構..................................... 9

 
2.2實驗設備.................................... 10

 
2.2.1 流體輸出設備............................ 10

 
2.2.2 仿繞道管之載體.......................... 10

 
2.2.3 模擬心臟脈衝之設備....................... 10

 
2.2.4 量測設備................................ 10

 
2.2.5 觀測使用粒子............................ 12

 
2.2.6 使用之數據照片量......................... 12

 
2.3 PIV法 (質點影像測速法)...................... 13

 
2.3.1 
 PIV簡介............................... 13

 
2.3.2 
 PIV測量數據的後處理.................... 14

 
2.3.3 影像分析流程............................ 15

 
  
 2.4 論文小節................................... 16

 
第三章 結果討論................................... 17

 
3.1 初始條件說明................................ 17

 
3.1.1 主管.................................... 18

 
3.1.2 
 45o插接管.............................. 18

 
3.1.3 
 90o插接管.............................. 18

 
3.1.4 
 135o插接管............................. 19

 
3.1.5 
 初始條件綜合說明........................ 19

 
3.2  主管加入插接管之流場分析.................... 20

 
3.2.1 
 45o管.................................. 20

 
3.2.2 
 90 o管................................. 21

 
3.2.3 
 135 o管................................ 22

 
3.3 綜合討論.................................... 23

 
3.4 章節小節.................................... 23

 
第四章
 結論與未來工作............................. 25

 
  4.1 結論....................................... 25

 
  4.2 未來工作................................... 26

 
參考文獻......................................... 27

 
 

 
圖目錄

 
 

 
圖2A   實驗系統設備圖........................ 33

 
圖2B   實驗架構圖........................... 34

 
圖2.1 
 45度管.............................. 35

 
圖2.2 
 90度管.............................. 35

 
圖2.3 
 135度管............................. 36

 
圖2.4  3W DPSS Laser....................... 36

 
圖2.5  使用粒子 氧化鋁....................... 37

 
圖3A   45度管流場觀側區域................... 37

 
圖3B  90度管流場觀側區域.................... 38

 
圖3C  135度管流場觀側區域................... 38

 
圖3-1a 主管渦度圖(t=T/2).................... 39

 
圖3-1b 主管速度圖(t=T/2).................... 39

 
圖3-2a主管渦度圖(t=T)....................... 39

 
圖3-2b主管速度圖(t=T)....................... 39

 
圖3-3a 45度管渦度圖(t=T/2).................. 40

 
圖3-3b 45度管速度圖(t=T/2).................. 40

 
圖3-4a 45管渦度圖(t=T)..................... 40

 
圖3-4b 45管速度圖(t=T)..................... 40

 
圖3-5a 90度管渦度圖(t=T/2).................. 41

 
圖3-5b 90度管速度圖(t=T/2).................. 41

 
圖3-6a 90管渦度圖(t=T)..................... 41

 
圖3-6b 90管速度圖(t=T)..................... 41

 
圖3-7a 135度管渦度圖(t=T/2)................. 42

 
圖3-7b 135度管速度圖(t=T/2)................. 42

 
圖3-8a 135管渦度圖(t=T).................... 42

 
圖3-8b 135管速度圖(t=T).................... 42

 
圖3-9a 45度管渦度圖(t=T/25)................. 43

 
圖3-9b 45度管速度圖(t=T/25)................. 43

 
圖3-10a 45度管渦度圖(t=2T/25T).............. 43

 
圖3-10b 45度管速度圖(t=2T/25)............... 43

 
圖3-11a 45度管渦度圖(t=3T/25)............... 44

 
圖3-11b 45度管速度圖(t=3T/25)............... 44

 
圖3-12a 45度管渦度圖(t=4T/25)............... 44

 
圖3-12b 45度管速度圖(t=4T/25)............... 44

 
圖3-13a 45度管渦度圖(t=5T/25)............... 45

 
圖3-13b 45度管速度圖(t=5T/25)............... 45

 
圖3-14a 45度管渦度圖(t=6T/25)............... 45

 
圖3-14b 45度管速度圖(t=6T/25)............... 45

 
圖3-15a 45度管渦度圖(t=7T/25)............... 46

 
圖3-15b 45度管速度圖(t=7T/25)............... 46

 
圖3-16a 45度管渦度圖(t=8T/25)............... 46

 
圖3-16b 45度管速度圖(t=8T/25)............... 46

 
圖3-17a 45度管渦度圖(t=9T/25)............... 47

 
圖3-17b 45度管速度圖(t=9T/25)............... 47

 
圖3-18a 45度管渦度圖(t=10T/25).............. 47

 
圖3-18b 45度管速度圖(t=10T/25).............. 47

 
圖3-19a 45度管渦度圖(t=11T/25).............. 48

 
圖3-19b 45度管速度圖(t=11T/25).............. 48

 
圖3-20a 45度管渦度圖(t=12T/25).............. 48

 
圖3-20b 45度管速度圖(t=12T/25).............. 48

 
圖3-21a 45度管渦度圖(t=13T/25).............. 49

 
圖3-21b 45度管速度圖(t=13T/25).............. 49

 
圖3-22a 45度管渦度圖(t=14T/25).............. 49

 
圖3-22b 45度管速度圖(t=14T/25).............. 49

 
圖3-23a 45度管渦度圖(t=15T/25).............. 50

 
圖3-23b 45度管速度圖(t=15T/25).............. 50

 
圖3-24a 45度管渦度圖(t=16T/25).............. 50

 
圖3-24b 45度管速度圖(t=16T/25).............. 50

 
圖3-25a 45度管渦度圖(t=17T/25).............. 51

 
圖3-25b 45度管速度圖(t=17T/25).............. 51

 
圖3-26a 45度管渦度圖(t=18T/25).............. 51

 
圖3-26b 45度管速度圖(t=18T/25).............. 51

 
圖3-27a 45度管渦度圖(t=19T/25).............. 52

 
圖3-27b 45度管速度圖(t=19T/25).............. 52

 
圖3-28a 45度管渦度圖(t=20T/25).............. 52

 
圖3-28b 45度管速度圖(t=20T/25).............. 52

 
圖3-29a 45度管渦度圖(t=21T/25).............. 53

 
圖3-29b 45度管速度圖(t=21T/25).............. 53

 
圖3-30a 45度管渦度圖(t=22T/25).............. 53

 
圖3-30b 45度管速度圖(t=22T/25).............. 53

 
圖3-31a 45度管渦度圖(t=23T/25).............. 54

 
圖3-31b 45度管速度圖(t=23T/25).............. 54

 
圖3-32a 45度管渦度圖(t=24T/25).............. 54

 
圖3-32b 45度管速度圖(t=24T/25).............. 54

 
圖3-33a 45度管渦度圖(t=25T/25).............. 55

 
圖3-33b 45度管速度圖(t=25T/25).............. 55

 
圖3-34a 45度管渦度圖(t=26T/25).............. 55

 
圖3-34b 45度管速度圖(t=26T/25).............. 55

 
圖3-35a 90度管渦度圖(t=T/25)................ 56

 
圖3-35b 90度管速度圖(t=T/25)................ 56

 
圖3-36a 90度管渦度圖(t=2T/25)............... 56

 
圖3-36b 90度管速度圖(t=2T/25)............... 56

 
圖3-37a 90度管渦度圖(t=3T/25)............... 57

 
圖3-37b 90度管速度圖(t=3T/25)............... 57

 
圖3-38a 90度管渦度圖(t=4T/25)............... 57

 
圖3-38b 90度管速度圖(t=4T/25)............... 57

 
圖3-39a 90度管渦度圖(t=5T/25)............... 58

 
圖3-39b 90度管速度圖(t=5T/25)............... 58

 
圖3-40a 90度管渦度圖(t=6T/25)............... 58

 
圖3-40b 90度管速度圖(t=6T/25)............... 58

 
圖3-41a 90度管渦度圖(t=7T/25)............... 59

 
圖3-41b 90度管速度圖(t=7T/25)............... 59

 
圖3-42a 90度管渦度圖(t=8T/25)............... 59

 
圖3-42b 90度管速度圖(t=8T/25)............... 59

 
圖3-43a 90度管渦度圖(t=9T/25)............... 60

 
圖3-43b 90度管速度圖(t=9T/25)............... 60

 
圖3-44a 90度管渦度圖(t=10T/25).............. 60

 
圖3-44b 90度管速度圖(t=10T/25).............. 60

 
圖3-45a 90度管渦度圖(t=11T/25).............. 61

 
圖3-45b 90度管速度圖(t=11T/25).............. 61

 
圖3-46a 90度管渦度圖(t=12T/25).............. 61

 
圖3-46b 90度管速度圖(t=12T/25).............. 61

 
圖3-47a 90度管渦度圖(t=13T/25).............. 62

 
圖3-47b 90度管速度圖(t=13T/25).............. 62

 
圖3-48a 90度管渦度圖(t=14T/25).............. 62

 
圖3-48b 90度管速度圖(t=14T/25).............. 62

 
圖3-49a 90度管渦度圖(t=15T/25).............. 63

 
圖3-49b 90度管速度圖(t=15T/25).............. 63

 
圖3-50a 90度管渦度圖(t=16T/25).............. 63

 
圖3-50b 90度管速度圖(t=16T/25).............. 63

 
圖3-51a 90度管渦度圖(t=17T/25).............. 64

 
圖3-51b 90度管速度圖(t=17T/25).............. 64

 
圖3-52a 90度管渦度圖(t=18T/25).............. 64

 
圖3-52b 90度管速度圖(t=18T/25).............. 64

 
圖3-53a 90度管渦度圖(t=19T/25).............. 65

 
圖3-53b 90度管速度圖(t=19T/25).............. 65

 
圖3-54a 90度管渦度圖(t=20T/25).............. 65

 
圖3-54b 90度管速度圖(t=20T/25).............. 65

 
圖3-55a 90度管渦度圖(t=21T/25).............. 66

 
圖3-55b 90度管速度圖(t=21T/25).............. 66

 
圖3-56a 90度管渦度圖(t=22T/25).............. 66

 
圖3-56b 90度管速度圖(t=22T/25).............. 66

 
圖3-57a 90度管渦度圖(t=23T/25).............. 67

 
圖3-57b 90度管速度圖(t=23T/25).............. 67

 
圖3-58a 90度管渦度圖(t=24T/25).............. 67

 
圖3-58b 90度管速度圖(t=24T/25).............. 67

 
圖3-59a 90度管渦度圖(t=25T/25).............. 68

 
圖3-59b 90度管速度圖(t=25T/25).............. 68

 
圖3-60a 90度管渦度圖(t=26T/25).............. 68

 
圖3-60b 90度管速度圖(t=26T/25).............. 68

 
圖3-61a 135度管渦度圖(t=T/25)............... 69

 
圖3-61b 135度管速度圖(t=T/25)............... 69

 
圖3-62a 135度管渦度圖(t=2T/25).............. 69

 
圖3-62b 135度管速度圖(t=2T/25).............. 69

 
圖3-63a 135度管渦度圖(t=3T/25).............. 70

 
圖3-63b 135度管速度圖(t=3T/25).............. 70

 
圖3-64a 135度管渦度圖(t=4T/25).............. 70

 
圖3-64b 135度管速度圖(t=4T/25).............. 70

 
圖3-65a 135度管渦度圖(t=5T/25).............. 71

 
圖3-65b 135度管速度圖(t=5T/25).............. 71

 
圖3-66a 135度管渦度圖(t=6T/25).............. 71

 
圖3-66b 135度管速度圖(t=6T/25).............. 71

 
圖3-67a 135度管渦度圖(t=7T/25).............. 72

 
圖3-67b 135度管速度圖(t=7T/25).............. 72

 
圖3-68a 135度管渦度圖(t=8T/25).............. 72

 
圖3-68b 135度管速度圖(t=8T/25).............. 72

 
圖3-69a 135度管渦度圖(t=9T/25).............. 73

 
圖3-69b 135度管速度圖(t=9T/25).............. 73

 
圖3-70a 135度管渦度圖(t=10T/25)............. 73

 
圖3-70b 135度管速度圖(t=10T/25)............. 73

 
圖3-71a 135度管渦度圖(t=11T/25)............. 74

 
圖3-71b 135度管速度圖(t=11T/25)............. 74

 
圖3-72a 135度管渦度圖(t=12T/25)............. 74

 
圖3-72b 135度管速度圖(t=12T/25)............. 74

 
圖3-73a 135度管渦度圖(t=13T/25)............. 75

 
圖3-73b 135度管速度圖(t=13T/25)............. 75

 
圖3-74a 135度管渦度圖(t=14T/25)............. 75

 
圖3-74b 135度管速度圖(t=14T/25)............. 75

 
圖3-75a 135度管渦度圖(t=15T/25)............. 76

 
圖3-75b 135度管速度圖(t=15T/25)............. 76

 
圖3-76a 135度管渦度圖(t=16T/25)............. 76

 
圖3-76b 135度管速度圖(t=16T/25)............. 76

 
圖3-77a 135度管渦度圖(t=17T/25)............. 77

 
圖3-77b 135度管速度圖(t=17T/25)............. 77

 
圖3-78a 135度管渦度圖(t=18T/25)............. 77

 
圖3-78b 135度管速度圖(t=18T/25)............. 77

 
圖3-79a 135度管渦度圖(t=19T/25)............. 78

 
圖3-79b 135度管速度圖(t=19T/25)............. 78

 
圖3-80a 135度管渦度圖(t=20T/25)............. 78

 
圖3-80b 135度管速度圖(t=20T/25)............. 78

 
圖3-81a 135度管渦度圖(t=21T/25)............. 79

 
圖3-81b 135度管速度圖(t=21T/25)............. 79

 
圖3-82a 135度管渦度圖(t=22T/25)............. 79

 
圖3-82b 135度管速度圖(t=22T/25)............. 79

 
圖3-83a 135度管渦度圖(t=23T/25)............. 80

 
圖3-83b 135度管速度圖(t=23T/25)............. 80

 
圖3-84a 135度管渦度圖(t=24T/25)............. 80

 
圖3-84b 135度管速度圖(t=24T/25)............. 80

 
圖3-85a 135度管渦度圖(t=25T/25)............. 81

 
圖3-85b 135度管速度圖(t=25T/25)............. 81

 
圖3-86a 135度管渦度圖(t=26T/25)............. 81

 
圖3-86b 135度管速度圖(t=26T/25)............. 81

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