A Study on the Elastodynamic Pump : 1st Report, Normal Stress Effect
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概要
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The elastodynamic extruder or pump was developed in 1959 by Maxwell and Scalora. This plastic extruder is based on the phenomenon called Weissenberg effect. In this paper pressure distributions for no discharge flow and discharge flow are investigated using the experimental apparatus similar to the above mentioned elastodynamic pump. Moreover pressure distributions are approximatly analyzed by using the combination model of Rivlin's large deformation theory with the power law for the non-Newtonian viscosity, and the 3-constants Oldroyd model respectively. Those analytical results are compared with experimental data, and it is found that the former model may be more convenient than the latter model for practical purpose.
- 一般社団法人日本機械学会の論文
著者
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Tomita Yukio
Tokyo Institute Of Technology
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KATO Hiroshi
Faculty of Science, Kwansei Gakuin University
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Kato Hiroshi
Faculty of Engineeering Kyoto University
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