Optimization of supersonic nozzle flow for titanium dioxide thin-film coating by aerosol deposition
- Authors
- Lee, M. W.; Park, J. J.; Kim, D. Y.; Yoon, S. S.; Kim, H. Y.; Kim, D. H.; James, S. C.; Chandra, S.; Coyle, Thomas; Ryu, J. H.; Yoon, W. H.; Park, D. S.
- Issue Date
- 11월-2011
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Aerosol deposition; Supersonic nozzle flow; Shockwave; Nozzle optimization; Computational fluid dynamics
- Citation
- JOURNAL OF AEROSOL SCIENCE, v.42, no.11, pp.771 - 780
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF AEROSOL SCIENCE
- Volume
- 42
- Number
- 11
- Start Page
- 771
- End Page
- 780
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/111309
- DOI
- 10.1016/j.jaerosci.2011.07.006
- ISSN
- 0021-8502
- Abstract
- Aerosol deposition (AD) is an efficient technique for customized coating of various substrates. The small particles of AD yield a dense coating layer with small voids. AD is amenable to rapid coating (mass production), thus, it is economically attractive. Low-temperature AD coating is desirable because it minimizes the thermal degradation of the substrate. An optimized low-cost AD coating technique is of significant interest to solar-cell engineers seeking to reduce manufacturing costs. While most previous studies ignore the importance of nozzle geometry on coating performance, this paper examines non-optimized nozzles and commensurate shockwaves using computational fluid dynamics (CFD). The optimized nozzle geometry obtained from CFD can rapidly prototype nozzles. The CFD-designed nozzles with optimized geometry yielded significantly improved coating quality over non-optimized nozzles. (C) 2011 Elsevier Ltd. All rights reserved.
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- Appears in
Collections - College of Engineering > Department of Mechanical Engineering > 1. Journal Articles
- College of Engineering > Department of Materials Science and Engineering > 1. Journal Articles
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