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A Calibration of a Feedwater Flowmeter Installed to Model Loop of a Nuclear Power Plant Using High Reynolds Number Facility

[+] Author Affiliations
Noriyuki Furuichi, Yoshiya Terao, Masaki Takamoto

National Metrology Institute of Japan, Tsukuba, Japan

Paper No. ICONE16-48134, pp. 145-151; 7 pages
  • 16th International Conference on Nuclear Engineering
  • Volume 3: Thermal Hydraulics; Instrumentation and Controls
  • Orlando, Florida, USA, May 11–15, 2008
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 0-7918-4816-7 | eISBN: 0-7918-3820-X
  • Copyright © 2008 by ASME


A calibration result of ultrasonic flowmeters using in a feedwater flowrate in a nuclear power plant, is described under a variety of upstream conditions using the new high Reynolds number calibration facility. The pipe layouts are classified to five type three-dimensional one with two or three elbows. The flow conditioners are tube bundle type and Mitsubishi type. Pipe Reynolds number is up to 1.6×107 . The large effect of the flow conditioner and pipe layout is observed for cramp-on type. For multi-path type, individuality is observed.

Copyright © 2008 by ASME



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