Analysis of Shock Wave Interaction with Porous Elastic Material
スポンサーリンク
概要
- 論文の詳細を見る
One-dimensional interaction between a planar shock wave and porous material with various porosity φ_g are investigated numerically. As the result of numerical investigations, it is deduced that the dynamic behavior of gas-foam interactions strongly depends on the porosity φ_g of the foam. Four kinds of porous material are treated : rubber which is of no porosity (φ_g=0); foam 350×70×70 which is of low-porosity (φ_g=0.76) and high density (ρ_c=290kg/?); foam 50×50×50 which is of high-porosity (φ_g=0.98) and low density (ρ_c=26kg/?); and foam 13×13×13, which has the same density and porosity as foam 50×50×50, but has a different internal structure of foam material. In the no porosity (φ_g=0) and low porosity (φ_g&ap0〜0.76) cases, comparisons of numerical results with experimental ones show that the mobility of gas inside the materials is very low, and its dynamics can be approximated by a single-phase elastic motion. Results of single-phase analysis are compared with the shock tube experiments, which show essentially same stress variations with experimental results. In the high-porosity (φ_g&ap0.95) case, the mobility of the gas inside the foam is higher, and the dynamics must be treated as a two-phase flow. Results of two-phase analysis simulate experimental stress variations in high-porosity foam well, while the single-phase analysis for high-porosity foam dose not simulate experimental results well.
- 一般社団法人日本機械学会の論文
- 1996-11-15
著者
-
Kitagawa Koichi
Toshiba Corporation
-
Watanabe S
Graduate Student Aichi Institute Of Technology
-
Kitagawa Kazutaka
Department of Mechanical Engineering, Aichi Institute of Technology
-
Yasue Tetsuya
Graduate student, Aichi Institute of Technology
-
Watanabe Seiji
Graduate student, Aichi Institute of Technology
-
Jyounouchi Tadamasa
Computer Center, National Institute for Fusion Science
-
Yasuhara Michiru
Department of Mechanical Engineering, Aichi Institute of Technology
-
Yasue Tetsuya
Graduate Student Aichi Institute Of Technology
-
Jyounouchi Tadamasa
Computer Center National Institute For Fusion Science
-
Watanabe S
Department Of Physics Faculty Of Science Shizuoka University
-
Yasuhara M
Department Of Mechanical Engineering Aichi Institute Of Technology
-
Yasuhara Michiru
Department Of Aeronautical Engineering Nagoya University
関連論文
- Analysis of Shock Wave Interaction with Porous Elastic Material
- Experiment on Effects of Porosity in the Interaction of Shock Wave and Foam
- The Strength of Joints Combining Adhesives with Tap Bolts : Cases where Adherends are Hollow Cylinders and Rectangular T-Shape Flanges
- AN ANALYSIS OF THREE-DIMENSIONAL UNSTEADY SUBSONIC FLOW THROUGH RECTILINEAR CASCADES
- Vibrational Relaxation Measurements of Methane by a Lazser Schlieren
- Theoretical Verification of the Trapped Neutron Catalyzed Model of Deuteron Fusion in Pd/D and Ti/D Systems
- Study of Cross-Flow-Fan Internal Flow by Flow Visualization : Discussion of Measured Results by Particle-Tracking Velocimetry
- A Reactive, Equilibrium Hypersonic Flow Over a Slender Pointed Body
- Rotational Temperature Measurements in Free Jet Expansions of N_2 Using Electron Beam Fluorescence Technique
- Flow of a Viscous, Electrically Conducting Fluid along a Circular Cylinder or a Flate Plate with Uniform Suction
- Simultaneous Effects of Pressure Gradient and Transverse Curvature on the Boundary Layer along Slender Bodies of Revolution