Journal of the Visualization Society of Japan

Journal of the Visualization Society of Japan

Online ISSN : 1884-037X
Print ISSN : 0916-4731
ISSN-L : 0916-4731

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Volume 10, Issue 37

Displaying 1-14 of 14 articles from this issue

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New Voyage of The Visualizaion Society of Japan

Yoshimichi TANIDA

1990 Volume 10 Issue 37 Pages 65
Published: April 10, 1990
Released on J-STAGE: July 31, 2009

DOIhttps://doi.org/10.3154/jvs.10.65

JOURNAL FREE ACCESS

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Activities of the Visualization Society in the Present and Future

Yasuki NAKAYAMA, Tetsuo TAGORI

1990 Volume 10 Issue 37 Pages 66-67
Published: April 10, 1990
Released on J-STAGE: July 31, 2009

DOIhttps://doi.org/10.3154/jvs.10.66

JOURNAL FREE ACCESS

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Establishment of Visualization Society

Yasuki NAKAYAMA

1990 Volume 10 Issue 37 Pages 68-70
Published: April 10, 1990
Released on J-STAGE: July 31, 2009

DOIhttps://doi.org/10.3154/jvs.10.68

JOURNAL FREE ACCESS

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Detection and Visualization of Fish Schools in the Sea by Acoustic Method

Ichiro AOKI

1990 Volume 10 Issue 37 Pages 71-75
Published: April 10, 1990
Released on J-STAGE: July 31, 2009

DOIhttps://doi.org/10.3154/jvs.10.71

JOURNAL FREE ACCESS

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Visibilization of the Distribution of Photoplankton Concentration

Shiroh UNO

1990 Volume 10 Issue 37 Pages 76-80
Published: April 10, 1990
Released on J-STAGE: July 31, 2009

DOIhttps://doi.org/10.3154/jvs.10.76

JOURNAL FREE ACCESS

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Under Water Remote Sensing

Masanori KYO

1990 Volume 10 Issue 37 Pages 81-87
Published: April 10, 1990
Released on J-STAGE: July 31, 2009

DOIhttps://doi.org/10.3154/jvs.10.81

JOURNAL FREE ACCESS

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Remote Sensing Technique in the Atmospheric Boundary Layer

Yasushi MITSUTA

1990 Volume 10 Issue 37 Pages 88-91
Published: April 10, 1990
Released on J-STAGE: July 31, 2009

DOIhttps://doi.org/10.3154/jvs.10.88

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Visualization of Mechanical Structure by Infrared Radiometer

Yoshizo OKAMOTO

1990 Volume 10 Issue 37 Pages 92-97
Published: April 10, 1990
Released on J-STAGE: July 31, 2009

DOIhttps://doi.org/10.3154/jvs.10.92

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Flow-Related Problems on Small Boilers

Yasutoshi SENOO

1990 Volume 10 Issue 37 Pages 98-104
Published: April 10, 1990
Released on J-STAGE: July 31, 2009

DOIhttps://doi.org/10.3154/jvs.10.98

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Visualization of Flow and Temperature Fields of Natural Convection in a Hemisphere Heated from Below

Yasuaki SHIINA, Norio AKINO, Tomoaki KUNUGI, Kaoru FUJIMURA

1990 Volume 10 Issue 37 Pages 105-110
Published: April 10, 1990
Released on J-STAGE: July 31, 2009

DOIhttps://doi.org/10.3154/jvs.10.105

JOURNAL FREE ACCESS

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Flow and temperature fields of natural convection in a hemisphere were visualized by using thermo-sensitive liquid crystal powder. Water, aqueous glycerin and silicon oils were used as working fluids in the experiment. The ranges of Rayleigh and Prandtl numbers based on the fluid bulk temperature and radius of the hemisphere were 1×10 5<Ra<1.4×10 9 and 6<Pr<10000, respectively. The results indicated that fluid flow in a hemisphere could be classified into three flow patterns.
Steady circulating flow, i.e., fluid rose up at the center of the hot surface and descended along the hemispherical inner surface, was observed at about Ra=1.9×10 5. For Ra>2×10 5, thermal boundary layer separated from the hot surface and hot thermal plumes were released periodically. The regular separation was maintained up to about Ra=4×10 7-10 8. For Ra>10 8, however, observation of flow showed that the release of hot thermal plumes became irregular and finally the transition of flow from laminar to turbulent might be completed in this Rayleigh number range.

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[title in Japanese]

[in Japanese], [in Japanese], [in Japanese]

1990 Volume 10 Issue 37 Pages 119c-119_1
Published: April 10, 1990
Released on J-STAGE: July 31, 2009

DOIhttps://doi.org/10.3154/jvs.10.119c

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[title in Japanese]

[in Japanese]

1990 Volume 10 Issue 37 Pages 119b-119_1
Published: April 10, 1990
Released on J-STAGE: July 31, 2009

DOIhttps://doi.org/10.3154/jvs.10.119b

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[title in Japanese]

[in Japanese], [in Japanese]

1990 Volume 10 Issue 37 Pages 119a-119_1
Published: April 10, 1990
Released on J-STAGE: July 31, 2009

DOIhttps://doi.org/10.3154/jvs.10.119a

JOURNAL FREE ACCESS

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[title in Japanese]

[in Japanese], [in Japanese]

1990 Volume 10 Issue 37 Pages 119-119_1
Published: April 10, 1990
Released on J-STAGE: July 31, 2009

DOIhttps://doi.org/10.3154/jvs.10.119

JOURNAL FREE ACCESS

Download PDF (1341K)

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