摘要(英) |
In this paper, the internal motion of the vacuum pump is analyzed, and the inlet of the pump is set up normal temperature and pressure. While the vacuum pump is compressing gas, the gas will also rub against the cavity wall, so that the internal temperature will continuously rise. The most terrible situation may cause the pump to burn out. The proper add cooler can help pump life is extended. Since all the pumps are in the process of vacuuming, gas leakage will occur inside, and the main cause of the leakage is the pressure difference between the inside and outside of the pump. The high pressure will run to the low pressure. However, the pump is not completely closed, and the gas will run out from the tip gap and seal gap. This will reduce the amount of exhaust gas and cause the pumping efficiency of the pump to decrease. Therefore, depending on the internal motion, the rotor profile can be modified.
|
參考文獻 |
[1] https://kepewdue.pixnet.net/blog/post/258467699.
[2] 蘇青森,真空技術精華,五南書局,民國93年。
[3] 謝承佑,“真空幫浦CAD/CAM 專業系統”,中華大學,碩士論文,民國98年。
[4] http://asoftly.blogspot.com/2014/04/blog-post_10.html.
[5] 黃淳康,鄭益志,李世文,黃柏鈞,「真空技術概說與各種真空幫浦介紹」,中華水
電冷凍空調月刊,104年07月。
[6] http://www.younme.com.tw/piston%20vacuum%20pump.html.
[7] https://zh.wikipedia.org/wiki/%E9%9A%94%E8%86%9C%E6%B3%B5.
[8] 蘇清森,真空技術,二版,東華書局,台北市,民國74年。
[9] P. McCreath, N. Stosic, A. Kovacevic, & I. K. Smith, “The design of efficient screw compressors for delivery of dry air,” In International Conference Compressors and Their Systems, London, September 2001.
[10] M. A. Heiyanthuduwage, S. Mounoury, & A. Kovacevic, “Performance prediction methods for screw compressors,” In Institution of Mechanical Engineers-7th International Conference on Compressors and Their Systems 2011, pp. 411-420, Woodhead Publishing Limited, September 2011.
[11] 陳雪瑄,“爪式真空泵之性能分析”,國立中興大學,碩士論文,民國101年。
[12] 黃振棠,“隔膜式真空幫浦之設計分析”,國立高雄應用科技大學,碩士論文,民
國103年。
[13] 魯根松、曹羽,「魯式真空泵性能考核指標-極限壓力的探討」,1998年4月。
[14] 何榮剛、趙忠耀,「魯式真空泵的改進」,2010年07月。
[15] N. Stosic, I. K. Smith, A. Kovacevic, & K. Venumadhav, “Retrofit ′N′ rotors for efficient oil-flooded screw compressors,” 2000.
[16] M. Fujiwara, & Y. Osada, “Performance analysis of oil-injected screw compressors and its applications,” 1990.
[17] J. S. Fleming, & Y. Tang, “The analysis of leakage in a twin screw compressor and its application to performance improvement,” Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, vol. 209, no. 2, pp. 125-136, 1995.
[18] D. B. Parker, “Positive displacement pumps-performance and application,”
In Proceedings of the 11th International Pump Users Symposium, Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1994.
[19] W. Huagen, X. Ziwen, & S. Pengcheng, “Theoretical and experimental study on indicator diagram of twin screw refrigeration compressor,” International Journal of Refrigeration, vol. 27, no. 4, pp. 331-338, 2004.
[20] N. Seshaiah, R. K. Sahoo, & S. K. Sarangi, “Theoretical and experimental studies on oil injected twin-screw air compressor when compressing different light and heavy gases,” Applied Thermal Engineering, vol. 30, no. 4, pp. 327-339, 2010.
[21] 謝昇宏,“噴油式空氣螺旋壓縮機之壓縮循環與轉子熱傳分析”,國立中正大學, 博士論文,民國100年。
[22] E. Hairer, S. P. Norsett, & G. Wanner, Solving ordinary differential equations. I, Nonstiff problems. Berlin ; London: Springer-Verlag, 1993.
|