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系統識別號 U0026-3107201412503500
論文名稱(中文) 蚊子吸血機制發展仿生微幫浦
論文名稱(英文) Development of Biomimetic Micropump with Blood-sucking Mechanism of Mosquitoes
校院名稱 成功大學
系所名稱(中) 航空太空工程學系
系所名稱(英) Department of Aeronautics & Astronautics
學年度 102
學期 2
出版年 103
研究生(中文) 劉雅惠
研究生(英文) Ya-Hui Liu
學號 P46014472
學位類別 碩士
語文別 中文
論文頁數 98頁
口試委員 指導教授-呂宗行
口試委員-苗君易
口試委員-李定智
中文關鍵字 氣動式  微幫浦  仿生 
英文關鍵字 Pneumatic  Micropump  Biomimetic 
學科別分類
中文摘要   文獻中提及蚊子之生物幫浦系統有三個致動器官分別為Oral cavity pump(CP)、Check valve(C-P Valve)及Pharynx pump(PP),CP及PP作為傳輸流體之幫浦使用,C-P Valve則是能有效阻止流體回流,使流體具有單一方向之淨流量。本研究以蚊子之生物幫浦系統為範本進行仿生微幫浦之數值模擬與實驗,首先在二維模擬中比較有無C-P Valve兩種模型之流場情況,藉由改變CP及PP之作動方式及時間參數(α、β、T)設定後,使無致動閥門微幫浦體積流率(Q)表現與有致動閥門時相同,證實此改變下確實能取代中間閥門功能,接著依據實際晶片進行全尺寸之三維模擬,進一步觀察微幫浦內部流體流動情形。最後以聚二甲基矽氧烷(PDMS: polydimethylsiloxan)作為材料製作微幫浦系統實驗,並以正/負壓氣源作為兩薄膜之驅動力,使薄膜對流道內之流體具有擠壓及吸取兩作動,在量測實驗之體積流率(Q)後分析其與各參數之關係。
英文摘要 According to the literatures, mosquitoes use Oral cavity pump (CP), Check valve (C-P Valve) and Pharynx pump (PP) for their blood-sucking. CP and PP play the role of transporting fluid, and C-P Valve prevents backflow of fluid. In this research, pumping mechanism of mosquito's biological pump is studied by using both numerical simulation and experimental approaches and used as a model for current micropump design, At first, 2D numerical simulation of a mosquito's biological pump is used to investigated flow field, as well as net flow rate. By adjusting the actuation parameters (α、β、T) of CP and PP, one can achieve the same pumping performance that flow rate of the micropump without C-P Valve has the same flow rate as the micropump with C-P Valve. Therefore, C-P Valve within mosquito pumps can be removed in the current biomimetic micropump design. Secondly, according the sizes of biomimetic micropump design, 3D simulation model is built to study its pumping performance. Finally biomimetic micropump fabricated by PDMS (polydimethylsiloxan) is driven with both positive and negative air pressure. Two PDMS membranes with actuation mechanism like mosquito's biological pump can draw and squeeze the fluid in a micro-channel. The pumping performance is evaluated by adjusting actuation parameters including frequency, phase shift, ratio of volume, height of channel, width of channel between two membranes and duty ratio. The experimental results found that we can control the flow rate range from 0 to 60l/min or from -35l/min to -240l/min by adjusting frequency.
論文目次 摘要 I
Extended Abstract II
誌謝 VII
目錄 VIII
表目錄 XI
圖目錄 XII
符號表 XVII
第一章 緒論 1
1-1前言 1
1-2文獻回顧 2
1-3蚊子吸血機制研究 7
1-4研究動機與目的 9
第二章 研究方法與步驟 23
2-1 數值模擬軟體CFD-ACE+ 23
2-1-1 質量守恆方程式 24
2-1-2 動量守恆方程式 24
2-1-3 網格類型 26
2-2 二維軸對稱數值模擬模型 26
2-3數值模擬之網格測試 28
2-4二維軸對稱非穩態微幫浦作動參數(case1) 28
2-5二維非穩態微幫浦作動參數(case2) 29
2-6三維數值模擬模型 31
2-7 三維非穩態微幫浦作動參數 31
第三章 微幫浦製作流程 40
3-1微影製程流程 40
3-1-1光罩製作 41
3-1-2矽晶圓清潔 42
3-1-3塗佈SU-8 50 光阻 42
3-1-4光阻軟烤 43
3-1-5曝光 43
3-1-6曝後烤 44
3-1-7顯影 44
3-1-8硬烤 44
3-2利用PDMS製作微管道 44
3-3實驗儀器架設 46
3-4實驗流程 46
第四章 結果與討論 57
4-1效率計算方法 57
4-2二維模擬參數分析(case1) 58
4-3二維模擬參數分析(case2) 60
4-4三維模擬參數分析 62
4-5淨流量之量測 64
4-5-1 體積比(γ)對體積流率(Q)之影響 64
4-5-2 流道高度(tCH)對體積流率(Q)之影響 66
4-5-3 頻率(F)對體積流率(Q)之影響 66
4-5-4中間管道寬度(W)對體積流率(Q)之影響 68
4-5-5 負載比(DTY)對體積流率(Q)之影響 69
4-6背壓之量測 70
4-7實驗與模擬之比較 71
第五章 結論與未來工作 94
5-1結論 94
5-2未來工作 96
參考文獻 97
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