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Volume 16, Issue 60
Displaying 1-9 of 9 articles from this issue
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Osamu NAKAMURA1996 Volume 16 Issue 60 Pages 2-10
Published: January 05, 1996
Released on J-STAGE: July 31, 2009
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Satoru MIYAUCHI, Yuka SASAKI, Benno PÜTZ, Ryosuke TAKINO1996 Volume 16 Issue 60 Pages 11-20_2
Published: January 05, 1996
Released on J-STAGE: July 31, 2009
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Masanori YAMAUCHI1996 Volume 16 Issue 60 Pages 21-26_1
Published: January 05, 1996
Released on J-STAGE: July 31, 2009
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Katsuich YAMAMOTO, Masaaki KAWAHASHI, Osamu SEKIMOTO, Yukihiro TONAMI, ...1996 Volume 16 Issue 60 Pages 27-33
Published: January 05, 1996
Released on J-STAGE: July 31, 2009
JOURNAL FREE ACCESSThe blade shape design is one of the most important factor for improvement of efficiency or noise reduction of a centrifugal fan. However, it is not easy to analyze flow through impeller blades both theoretically and experimentally. This paper describes the experimental technique for velocity measurements in the centrifugal fans by means of image processing of double-exposure particle-imaging patterns obtained by using dual-beam-sweep illumination technique. In order to develop fundamental technique, the measured velocity field of flows through the impeller blades of the basic model of the centrifugal fan are compared with the results obtained by 3D numerical analysis. And then the method is applied to measurements of flow through the multi-blade fan. The results obtained give useful data to consider the characteristics of the fan.View full abstractDownload PDF (2835K) -
Deddy Setya YUDHA, Katsumi AOKI, Masamori IIDA1996 Volume 16 Issue 60 Pages 34-39
Published: January 05, 1996
Released on J-STAGE: July 31, 2009
JOURNAL FREE ACCESSThis paper is concerned with the mixing process of two dimensional confined laminar jet flow. In order to simulate these phenomena, numerical calculation and visualization experiment by Hydrogen Bubble Method are done. As a result, are made clear size, location and shape of the recirculation zone for effect of flow rate, nozzle-throat ratio and Reynolds number.View full abstractDownload PDF (3264K) -
Ning ZHU, Seizo KATO, Naoki MARUYAMA, Nobutaka ITO1996 Volume 16 Issue 60 Pages 40-45
Published: January 05, 1996
Released on J-STAGE: July 31, 2009
JOURNAL FREE ACCESSNoncontact and nondestructive visualization of 3D temperature is under investigation by acoustic tomography. A new method to reconstruct the 3D temperature distribution from the projected ultrasonic phase differences is applied to this process in the present paper. With an experimental system consisting of several pairs of ultrasonic sensors, an axisymmetric temperature field is visualized. The whole visualization is realized at three typical cross sections of the temperature field and tries to show the expected 3D images. The temperature profiles reconstructed by this acoustic tomography agree well with the results of the ther-mocouple measurements. As a result, the procedure proposed in this paper is verified to be reasonable.View full abstractDownload PDF (383K) -
[in Japanese]1996 Volume 16 Issue 60 Pages Plate11
Published: January 05, 1996
Released on J-STAGE: July 31, 2009
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[in Japanese]1996 Volume 16 Issue 60 Pages Plate12
Published: January 05, 1996
Released on J-STAGE: July 31, 2009
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[in Japanese]1996 Volume 16 Issue 60 Pages Plate13
Published: January 05, 1996
Released on J-STAGE: July 31, 2009
JOURNAL FREE ACCESSDownload PDF (813K)
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