Hisakazu Kawashima
Sumitomo Metal Industries
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Featured researches published by Hisakazu Kawashima.
Transactions of the Japan Society of Mechanical Engineers. A | 1995
Hisakazu Kawashima; Yoshiyasu Morita
The making-up process of the premium connections for oil or gas wells is generally controlled by the recommended make-up torque. In order to determine the recommended torque, an analysis method for the make-up torque with short computing time and good accuracy is required. In this paper, so as to obtain the contact load at the metal-sealed portion of the connection, the connection model of combined cylindrical shells was analyzed, considering the shrink-fit values at the threaded portion and the metal-sealed one of the connection. Then, the calculation method of the make-up torque just before the contact of the torque shoulder was obtained. As the torques calculated by the calculation method agreed well with those by FEM and actual tests, this method can be applied to determine the make-up torque of premium connections.
Archive | 1985
Kunihiro Fukui; Minoru Nishihara; Toshiro Mase; Yoshiyasu Morita; Hisakazu Kawashima
Archive | 1982
Akihiro Yauchi; Minoru Nishihara; Kunihiro Fukui; Hisakazu Kawashima; Yoshiyasu Morita
Isij International | 1989
Kazuo Okamura; Hisakazu Kawashima
Archive | 1986
Hisakazu Kawashima; Yoshiyasu Morita; Minoru Nishihara; Tetsuzo Arai; Kunihiro Fukui
Jsme International Journal Series B-fluids and Thermal Engineering | 1979
Kunio Nishioka; Yoshiyasu Morita; Hisakazu Kawashima
Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 1989
Kazuo Okamura; Hisakazu Kawashima
Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 1989
Yoshiyasu Morita; Hisakazu Kawashima; Manabu Seguchi
Jsme International Journal Series B-fluids and Thermal Engineering | 1979
Kunio Nishioka; Yoshiyasu Morita; Hisakazu Kawashima
Jsme International Journal Series B-fluids and Thermal Engineering | 1980
Yoshiyasu Morita; Hisakazu Kawashima