Structure of Grid Turbulence through a Heated Screen
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概要
- 論文の詳細を見る
Measurements of mean values and turbulent intensities of velocity and temperature fluctuations of grid turbulence have been made in a developing region just after an electrically heated screen. The air velocity is set as 1m/s. The electric current to the screen is adjusted to be the downstream temperature (Ta) 32℃, 100℃ or 150℃. Hot-wire anemometry with compensation for temperature variation is used to measure velocity with temperature variation. In a developing region, both velocity and temperature distributions become non-uniform at a point just downstream of the heated screen. The distributions recover gradually to the uniform condition in a downstream region. Turbulent energy dissipates with the distance from the heated screen. The dissipation rate is decreased with increasing air temperature.
- 一般社団法人日本機械学会の論文
- 1992-05-15
著者
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Ueda T
Department Of Mechenical Engineering Keio University
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Ueda Toshihisa
Department Of Applied Biological Science Faculty Of Agriculture Saga University
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Wardana I
Department Of Mechenical Engineering Keio University
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Mizomoto Masahiko
Department Of Mechenical Engineering Keio University
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Mizomoto Masahiko
Department Of Mechanical Engineering Graduate School Of Science And Technology Keio University
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HISAI Osamu
Department of Mechenical Engineering, Keio University
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Hisai Osamu
Department Of Mechenical Engineering Keio University
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Ueda Toshihisa
Department of Applied Biochemistry and Food Science, Faculty of Agriculture, Saga University
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