A Simulation of the Liquid Shock and Cavitation Based on a Multi-Equation Model

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题名:	A Simulation of the Liquid Shock and Cavitation Based on a Multi-Equation Model
作者:	Yang-Yao Niu
关键词:	Multi-phase flow;Riemann solver;condensation;cavitation
日期:	2016-02-24
上传时间:	2016-04-22 13:17:43 (UTC+8)
出版者:	World Scientific Publishing Co. Pte. Ltd.
摘要:	In this paper, an unsteady preconditioning formulation for multi-phase flows with arbitrary equation of state based on the approximated Riemann solver is developed for multi-phase flows at all speed. This paper considers a homogeneous two-phase multi-equation mixture model with the assumption of kinematics and thermodynamics equilibriums. The thermodynamics behaviors of liquid phase, vapor phase and their phase transitional process are described by a temperature-dependent hybrid equation of state. Benchmark test cases, including one-dimensional (1D) condensation shock in the cavitated nozzle and two-dimensional (2D) cavitated blunt body problem, demonstrate accurate capturing of interfaces, shock waves and cavitation zones.
關聯:	International Journal of Computational Methods 13(4), 1641010(15 pages)
DOI:	10.1142/S0219876216410103
显示于类别:	[航空太空工程學系暨研究所] 期刊論文

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