Numerical Studies of Curved-walled Micro Nozzle/Diffuser

doi:10.1109/NEMS.2006.334908

淡江大學機構典藏 > 工學院 > 機械與機電工程學系暨研究所 > 會議論文 > Item 987654321/38206

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題名:	Numerical Studies of Curved-walled Micro Nozzle/Diffuser
作者:	Chen, Yu-tang;Hsu, Chin-chun;Chang, Ming-cheng;Kang, Shung-wen
貢獻者:	淡江大學機械與機電工程學系;淡江大學水資源及環境工程學系
關鍵詞:	Nozzle;Diffuser;Pressure loss coefficient;Reynolds number
日期:	2006-01-18
上傳時間:	2010-04-15 10:31:30 (UTC+8)
出版者:	Institute of Electrical and Electronics Engineers (IEEE)
摘要:	In this study, commercially available software CFD was adopted for analyzing the performance of straight-walled and curved-walled micro nozzle/diffuser. Such nozzle/diffuser was used in valve-less micro-pumps. This model tested different types of nozzle/diffuser and the results showed that the pressure loss coefficient for nozzle/diffuser decreases with the increase of Reynolds number. At the same Reynolds number, the pressure loss coefficient for nozzle is higher than that of the diffuser. At a given volumetric flow rate, the pressure loss coefficient and ratio of pressure loss coefficient for curved-walled nozzle/diffuser are slightly higher than that of the straight-walled nozzle/diffuser. In this study, the numerical data was found good agreement with previous analytic solution and experimental results.
關聯:	Nano/Micro Engineered and Molecular Systems, 2006. NEMS '06. 1st IEEE International Conference on, pp.841-845
DOI:	10.1109/NEMS.2006.334908
顯示於類別:	[水資源及環境工程學系暨研究所] 會議論文 [機械與機電工程學系暨研究所] 會議論文

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