Analysis on the propagation of finite amplitude disturbances in gas-particle mixtures
Abstract
The behavior of a disturbance wave with finite amplitude is considered in the course of its propagation through a gas carrying a great number of small solid particles nonuniformly distributed in space. The results reveal that the expansion waves always damp out due to the interaction between both phases, while the weak compression waves decay when the particle density is small and the compression waves tend to form shock waves, the time of formation being increased by the presence of the particles. It is shown that when the particle density decreases with the distance from the initial point, the compression wave decays at the initial state and the wave front tends to form a shock wave.
- Publication:
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Japan Society of Aeronautical Space Sciences Transactions
- Pub Date:
- February 1980
- Bibcode:
- 1980TJSAS..22..229Y
- Keywords:
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- Gas-Solid Interfaces;
- Particle Density (Concentration);
- Two Phase Flow;
- Wave Propagation;
- Atmospheric Composition;
- Compression Waves;
- Flow Characteristics;
- Flow Equations;
- Gas Dynamics;
- One Dimensional Flow;
- Pressure Gradients;
- Shock Waves;
- Unsteady Flow;
- Wave Fronts;
- Fluid Mechanics and Heat Transfer