This paper describes the application of discrete wavelet transforms to the analysis of condensation jets in order to clarify the associated fluid and heat transfer phenomena. An experimentally obtained, two-dimensional image of the condensation particle density around the jet was decomposed into 7 levels of resolution with their respective wavelengths. Based on the known physical characteristics of turbulent flow around the jet, levels 0 and 1 were shown to represent the steady components of the condensation particle density and the higher levels represent the fluctuating components. From the analysis images, the width of the condensation zone was obtained and this compared well with the width inferred from temperature measurements. Thus, the method was verified and also provided data not available experimentally.
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ASME 2002 Joint U.S.-European Fluids Engineering Division Conference
July 14–18, 2002
Montreal, Quebec, Canada
Conference Sponsors:
- Fluids Engineering Division
ISBN:
0-7918-3615-0
PROCEEDINGS PAPER
Relationship Between Temperature Distribution and 2D Image of Condensation Jets Using Discrete Wavelets Multiresolution Available to Purchase
Motoaki Kimura,
Motoaki Kimura
Nihon University, Tokyo, Japan
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Masahiro Takei,
Masahiro Takei
Nihon University, Tokyo, Japan
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Karen Vierow,
Karen Vierow
Purdue University, West Lafayette, IN
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Yoshifuru Saito,
Yoshifuru Saito
Hosei University, Tokyo, Japan
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Kiyoshi Horii
Kiyoshi Horii
Shirayuri College, Tokyo, Japan
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Motoaki Kimura
Nihon University, Tokyo, Japan
Masahiro Takei
Nihon University, Tokyo, Japan
Atushi Saima
Nihon University, Tokyo, Japan
Karen Vierow
Purdue University, West Lafayette, IN
Yoshifuru Saito
Hosei University, Tokyo, Japan
Kiyoshi Horii
Shirayuri College, Tokyo, Japan
Paper No:
FEDSM2002-31114, pp. 1553-1562; 10 pages
Published Online:
February 24, 2009
Citation
Kimura, M, Takei, M, Saima, A, Vierow, K, Saito, Y, & Horii, K. "Relationship Between Temperature Distribution and 2D Image of Condensation Jets Using Discrete Wavelets Multiresolution." Proceedings of the ASME 2002 Joint U.S.-European Fluids Engineering Division Conference. Volume 1: Fora, Parts A and B. Montreal, Quebec, Canada. July 14–18, 2002. pp. 1553-1562. ASME. https://doi.org/10.1115/FEDSM2002-31114
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