Abstract
By using Lagrangian method, the flow properties of a dusty-gas point source in a supersonic free stream were studied and the particle parameters in the near-symmetry-axis region were obtained. It is demonstrated that fairly inertial particles travel along oscillating and intersecting trajectories between the bow and termination shock waves. In this region, formation of “multi-layer structure” in particle distribution with alternating low- and high-density layers is revealed. Moreover, sharp accumulation of particles occurs near the envelopes of particle trajectories.
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Communicated by BIAN Yin-gui, Original Member of Editorial Committee, AMM
Foundation items: the National Natural Science Foundation of China (NSFC grant No. 90205024); the Russian Foundation for Basic Research (RFBR grant No. 02-01-00770); RFBR-NSFC grant No. 99-01-39020)
Biography: WANG Bo-yi (1941}), Professor (E-mail: wby@imech.ac.cn)
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Bo-yi, W., Osiptsov, A.N. & Teverovshii, M.A. Flow properties of a dusty-gas point source in a supersonic free stream. Appl Math Mech 24, 928–935 (2003). https://doi.org/10.1007/BF02446498
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DOI: https://doi.org/10.1007/BF02446498