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ThermalEdge-Vertical.wmvVideo 25.82 MBWindows Media VideoView/Open
MD5 : 731046f28a9a52cbf7122bcd40d63998
ThermalEdge-Horizontal.wmvVideo 15.78 MBWindows Media VideoView/Open
MD5 : 80200e68f0c0c42bd7caabdd20010a2b
Note-Thermal-Edge-Exp-a.pdfExplanatoary notes108.35 kBAdobe PDFView/Open
Title: Video: Demonstration of the thermal edge flow in a rarefied gas
Authors: Sone, Yoshio
Yoshimoto, Minoru
Author's alias: 曾根, 良夫
Keywords: rarefied gas
kinetic theory of gas
thermal edge flow
gas dynamics
fluid dynamics
Issue Date: 1997
Abstract: The video files are the digitized version of video films chosen from the video records in the course of the experimental work published in 1997 (Y. Sone and M. Yoshimoto, Phys. Fluids 9, 3530-3534). In the experiment, it is demonstrated by a small windmill that a flow is induced near the edge of uniformly heated rectangular plate in a rarefied gas in such a way that a gas in front of the edge of the plate is pulled in along the plate, which is now called thermal edge flow. The experiment is done in a vacuum chamber in a glass bell jar, where the pressure can be controlled between the atmospheric pressure and several pascals. In Video 1, with decrease of the pressure in the chamber, a horizontal flow is shown to be induced in such a way as for a gas in front of the vertical edge of the heated plate set vertically in the chamber to be pulled in along the plate. In Video 2, a vertical flow around the upper horizontal edge of the heated plate set vertically is shown. Here, with decrease of the pressure in the chamber, transition from an upward natural convection to a downward thermal edge flow is seen by the reversal of the direction of rotation of the windmill.
Description: The video cannot be seen directly on Web. One has to download the file in one's computer and see the video on it.
URI: http://hdl.handle.net/2433/122357
Appears in Collections:SONE Yoshio

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