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논문 기본 정보

자료유형
학술대회자료
저자정보
Koji TERASHIMA (경북대학교) Wamadeva BALACHANDRAN (BRUNEL University)
저널정보
대한기계학회 대한기계학회 춘추학술대회 대한기계학회 2005년도 추계학술대회 논문집
발행연도
2005.10
수록면
57 - 60 (4page)

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초록· 키워드

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The aim of this research is to generate and characterize nano-spray by conejet type ElectroHydro Dynamic atomization. Sprays produced by various nozzle types were observed under different operating conditions. Although it is relatively easy to produce very fine jet and drops with using insulating liquid such as Con oil, Ethanol etc., compared to conducting liquid like water, de-ionized-water is used as sample liquid in this research because it is too small to characterize insulating liquid spray. This is mainly because of the difference of conductivity and hence difference of charge relaxation tim e. It is possible to make steady con며et water spray, however, stable conejet atomization condition was very small. Compared to stable conejet atomization condition, quasi-stable conejet like atomization condition was large. In this case, the tip of the jet vibrates at very high speed causing the water jet breaks up, thus a mixture of very large as well as fine drops was produced during the short period of atomization. This problem could be minimized and even overcome by optimizing the size and the design of the nozzle. In quasi-steady condition, the jet diameter close to the breakup point was estimated to be less than 1㎛. In this condition, the drops generated are estimated to be in the submicron range.

목차

Abstract
1. Introduction
2. Theory of conejet type EHD atomization
3. Experimental appratus and methods
4. Results and discussions
5. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2010-550-003149308