Experimental study of flow development in a porous tube with injection or suction.
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概要
- 論文の詳細を見る
Flow development in a porous tube with mass injection or suction was experimentally studied under the conditions of entrance Reynolds number of 2.1 × 104 and entrance injection or suction ratio from -4.97×10-3 to 2.77 ×lO-3. From the variations of friction factor, axial velocity component, radial velocity component and local shear stress in the flow direction, it was revealed that the flow at x/D>13 was fully affected up to the tube center by mass injection or suction, being well approximated as a self-similar flow. In addition, a simple expression of defect law is proposed for the velocity distribution in the core region. It is applicable to flows at Re>1.5× 104, including the entrance region.
- 公益社団法人 化学工学会の論文
著者
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Komatsu Satoshi
Department Of Biological Science Faculty Of Science Hiroshima University
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Hirata Yushi
Department Of Chemical Engineering Osaka University
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Ito Ryuzo
Department Of Acupuncture/moxibustion Tsukuba College Of Technology
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ITO RYUZO
Department of Chemical Engineering, Faculty of Engineering Science, Osaka University
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KOMATSU SATOSHI
Department of Chemical Engineering, Faculty of Engineering Science, Osaka University
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- PREFACE
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- Measurements of Effective Thermal Conductivity of CaCl_2 Reactor Beds Used for Driving Chemical Heat Pumps
- Application of an electrochemical method to measure the wall shear stress in a transpired turbulent boundary layer.
- FLOW IN THE ENTRANCE REGION OF A CIRCULAR TUBE
- Simultaneous measurements of thickness and local mass transfer rate on falling liquid films.
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- Experimental study on behavior of turbulence in a fully developed pipe flow.
- Experimental study of flow development in a porous tube with injection or suction.
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