In the present paper, the inflow phenomenon in the near-field of a buoyant jet issuing from a square duct is studied by using scanning LIF and scanning PIV measurements. The scanning LIF visualization allows an insight into the critical condition of the inflow phenomenon in a wide range of Froude number and Reynolds number. While, the scanning PIV allows the quantitative information on the inflow rate through the duct exit. The experimental result shows that the critical Froude number increases with an increase in Reynolds number in the duct exit up to Reynolds number 2,000, though it is weakened at higher Reynolds number. The examination of the inflow rate indicates that the large magnitude of the inflow rate occurs in the lower Froude number and Reynolds number.
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2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference
July 30–August 3, 2012
Anaheim, California, USA
Conference Sponsors:
- Nuclear Engineering Division
- Power Division
ISBN:
978-0-7918-4499-1
PROCEEDINGS PAPER
On the Inflow Phenomenon in Near Field of Buoyant Jet at Low Froude Number
Atsushi Maeda,
Atsushi Maeda
Niigata University, Niigata, Japan
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Takayuki Yamagata,
Takayuki Yamagata
Niigata University, Niigata, Japan
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Nobuyuki Fujisawa
Nobuyuki Fujisawa
Niigata University, Niigata, Japan
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Atsushi Maeda
Niigata University, Niigata, Japan
Takayuki Yamagata
Niigata University, Niigata, Japan
Nobuyuki Fujisawa
Niigata University, Niigata, Japan
Paper No:
ICONE20-POWER2012-55245, pp. 609-613; 5 pages
Published Online:
October 30, 2013
Citation
Maeda, A, Yamagata, T, & Fujisawa, N. "On the Inflow Phenomenon in Near Field of Buoyant Jet at Low Froude Number." Proceedings of the 2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference. Volume 5: Fusion Engineering; Student Paper Competition; Design Basis and Beyond Design Basis Events; Simple and Combined Cycles. Anaheim, California, USA. July 30–August 3, 2012. pp. 609-613. ASME. https://doi.org/10.1115/ICONE20-POWER2012-55245
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