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Characteristics of Gas Flow within a Micro Diffuser/Nozzle Pump
- Source :
- Chinese Physics Letters. 23:1230-1233
- Publication Year :
- 2006
- Publisher :
- IOP Publishing, 2006.
-
Abstract
- 英文摘要: The gas flow characteristics for various shapes of micro diffuser/nozzles have been experimentally investigated. The micro diffuser/nozzles with the lengths of 70 mu m, 90 mu m, 125 mu m and the taper angles of 7 degrees, 10 degrees, 14 degrees are designed and fabricated based on silicon micromachining technology for optimizing and comparing. The flat-wall diffuser/nozzle is 40 mu m x 5 mu m in depth and width. An experimental setup is designed to measure the gas flow rates under controlled temperature and pressure condition. Optimized values for the taper angle and the length of the diffuser/nozzle are experimentally obtained.
Details
- ISSN :
- 17413540 and 0256307X
- Volume :
- 23
- Database :
- OpenAIRE
- Journal :
- Chinese Physics Letters
- Accession number :
- edsair.doi...........ee5442c811eded4ec8918252bc885f9d