Title:
流体計測システム及び流体計測方法
Document Type and Number:
Japanese Patent JP4548417
Kind Code:
B2
Abstract:
To enable detection of flow of a distant fluid to be measured to provide a new application of a PIV system at a practical level. A fluid measurement system of the present invention includes a long focus optical system 3 at a CCD camera 2, and an image processing means 43 for comparing particle images taken at two time points for analysis. The long focus optical system 3 is provided with a shield 32 which shields a part including a central portion of a main mirror 31 at an arbitrary shield rate. As a result, the particle image of a tracer is enlarged with its contour kept clear, that is, in focus, and therefore, the image having a luminance which allows analysis by the PIV method can be taken in spite of use of the long focus optical system.
Inventors:
Haruji Mori
Hideaki Tezuka
Hideaki Tezuka
Application Number:
JP2006511827A
Publication Date:
September 22, 2010
Filing Date:
March 31, 2005
Export Citation:
Assignee:
THE TOKYO ELECTRIC POWER COMPANY,INCORPORATED
International Classes:
G01F1/704; G01P5/20; G01P5/00; G06T7/20
Domestic Patent References:
| JP2003084005A | 2003-03-19 | |||
| JPH0666823A | 1994-03-11 | |||
| JPH075188A | 1995-01-10 |
Attorney, Agent or Firm:
Takashi Mugishima
Naruo Matoba
Naruo Matoba