期刊
VACUUM
卷 207, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.vacuum.2022.111651
关键词
Gas dynamics; Supersonic nozzles; Condensation process; Cluster; Argon jet; Tradition flow; Cluster wake; Visualization
This article investigates the influence of outflow initial parameters on the maximum cross-sectional radii of traditional jets and cluster wakes recently discovered by the authors. It verifies empirical dependencies proposed in previous studies and presents amendment models that consider the outflow characteristics of gases from supersonic nozzles under condensation conditions. Assumptions are made regarding the similarity between traditional jets and external cluster wakes, and limitations on cluster wake formation conditions are discussed.
The influence of the outflow initial parameters (stagnation pressure P0 and temperature T0, as well as the residual pressure in the background medium P infinity) on the radii in the maximum cross sections of the << traditional >> initial jet and the concurrent cluster flow (<< cluster wake >>) recently discovered by the authors is considered. The empirical dependencies proposed in the well-known studies of the gas dynamics of supersonic jets are verified, amendment models that take into account the features of the outflow of gases from a supersonic nozzle under condensation conditions are presented, assumptions about the reasons for the similarity of a << traditional >> jet and an external << cluster wake >> are made, limitations on the conditions for << cluster wake >> formation are discussed.
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