頁籤選單縮合
題 名 | 霧化噴嘴對超臨界流體清洗機構效率之改善=The Improvement of Supercritical Fluid Cleaning Mechanism by Using Spray Injector |
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作 者 | 賈澤民; 徐明生; | 書刊名 | 航空太空及民航學刊. 系列B |
卷 期 | 41:1 2009.04[民98.04] |
頁 次 | 頁17-23 |
分類號 | 446.01 |
關鍵詞 | 超臨界二氧化碳流體; 精密洗淨技術; 高壓霧化噴嘴; Supercritical carbon dioxide; Precision cleaning; Spray nozzle; |
語 文 | 中文(Chinese) |
中文摘要 | 超臨界二氧化碳流體精密洗淨技術具有綠色環保及能源節省二大優勢,超臨界CO2流體本身具有高滲透力、低擴張係數、低黏性力及低表面張力等物理特性,本研究主要特色在利用高壓霧化噴嘴,將流體動量直接傳送測試件污染物,沖亂清洗流場,有效縮短清洗製程循環時間及降低清洗成本,達到節能及精確移除汙物的技術效能。爲顯示實驗清洗的效率,以兩種清洗模式進行實驗,分別爲直接浸泡式與噴嘴沖洗等方式執行,本實驗以航空螺帽爲清洗的試件,且清洗試件以實體顯微鏡放大觀察其效果,並分析影像的灰階值,結果顯示本研究超臨界二氧化碳清洗機構測試平台非常適用航空精密零件,且噴霧清洗效果更可增加超臨界清洗功能。 |
英文摘要 | The supercritical carbon dioxide (SFCO2) process possesses prevailing advantages of green environment and energy saving in the application of precision cleaning. For supercritical carbon dioxide (CO2) fluid there are some physical properties, for example the high permeability, low diffusivity, low viscosity, low surface tension, etc. Nozzle is employed for this study. SFCO2 liquid is atomized before arriving at the test objectives. The momentum of fluid is transferred to the cleaned model directly. Turbulence disturbs the cleaning flowflied. It improves the efficiency and lows down the cost. For the purpose of demonstrating the efficiency, the studies are carried out with the pool cleaning process and the injection cleaning process. The aviation nut is chosen to be the cleaned model. The aviation nut is observed by stereoscopic zoom microscopes. The gray factors of the images are analyzed to demonstrate the efforts. Results show that the cleaning process of SFCO2 provides a tool to the nut cleaning for the good performance. Besides, it shows the atomization of SFCO2 has good effort to the aviation nut cleaning. |
本系統中英文摘要資訊取自各篇刊載內容。