Fundamental Investigation on an Oil Damper : 4th Report, Simple Harmonic Motions of Its Cylinder and Piston
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概要
- 論文の詳細を見る
This paper presents a research on a simple oil damper that has an annular clearance between its cylinder and piston as a flow channel of oil. In the preceding reports, we have analyzed this type of oil damper on the assumption that the cylinder is at rest. However a large number of oil dampers are attached to moving supports, so the cylinder and piston are both vibrating . Thus we analyze the oil damper under the condition that the cylinder is vibrating in simple harmonic motion. As a result of this analysis, it is found that the drag force acting on the cylinder is a little larger than that on the piston, because the inertia force of fluid in the channel acts only on the cylinder. Moreover, it is confirmed that the mass of oil has a favorable effect on the vibration isolation ; whereas the spring mass worsens the isolation.
- 一般社団法人日本機械学会の論文
著者
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Sekiguchi Hisayoshi
Faculty Of Engineering Himeji Institute Of Technology
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ASAMI Toshihiko
Faculty of Engineering, Himeji Institute of Technology
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Asami Toshihiko
Faculty Of Engineering Himeji Institute Of Technology
関連論文
- Fundamental Investigation on an Oil Damper : 4th Report, Simple Harmonic Motions of Its Cylinder and Piston
- Fundamental Investigation of an Oil Damper : 1st Report Case of Its Analysis as Steady Flow
- Theory of Vibration Isolation of a System with Two Degrees of Freedom : 2nd Report, The Case Where a Harmonic Force Acts on the Mass Located Far from the Supporting Foundation
- Fundamental Investigation of an Oil Damper 2nd Report Analysis Based on the Unsteady Flow Assumption
- Optimum Design of Dynamic Absorbers for a System Subjected to Random Excitation
- Study on an Oil Damper with a Variable Damping Mechanism : Dynamic Characteristics of a Damper with a Piston Having a Fan-Shaped Orifice
- Fundamental Investigation on an Oil Damper : 3rd Report Comparison of Analyses Based on Cylindrical Coordinates and Cartesian Coordinates
- Fundamental Mechanical Properties of Rubber Vibrarion Isolators(1st. report)
- Fundamental Investigation on an Oil Damper : 5th Report, Effects of Eccentricity Between the Centers of Cylinder and Piston
- Study on an Oil Damper with Variable Damping Mechanism : 1st Report, Damping Characteristics of the Damper with a Piston Having Cylindrical Orifices
- Measurement of Large Damping
- Theory of Vibration Isolation of a System with Two Degrees of Freedom : 1st Report, Motion Excitation