Pulsating Flow in Curved Pipes : 1st Report, Numerical and Approximate Analyses
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概要
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A pulsating laminar flow in a circular curved pipe is analyzed numerically, changing a flow rate ratio and a nondimensional frequency parameter. A time-dependence of internal mechanism is made clear, such as velocity profiles, distributions of wall shear stresses and others. A pressure gradient, important in engineering, is calculated on the basis of these results. Also, the pressure gradient of the pulsating flow is calculated approximately by assuming the quasi-steady state and taking an unsteady inertia force into account. The approximate result is compared with the numerical result for a mean value, an amplitude value and a phase difference of the pulsating pressure gradient.
- 一般社団法人日本機械学会の論文
著者
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Sumida Masaru
Yonago National College Of Technology
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SUDOU Kouzou
Hiroshima Univ.
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TAKAMI Toshihiro
Hiroshima Univ.
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Sumida Masaru
Yonago Natinal College Of Technology
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