Verification Test Suite (VERTS) For Rail Gun Applications using ALE3D: 2-D Hydrodynamics & Thermal Cases

Najjar, F M ; Solberg, J ; White, D

Lawrence Livermore National Laboratory

关键词: Liquid Metals;    Armatures;    Reynolds Number;    Resolution;    42 Engineering;   

DOI  :  10.2172/936989
RP-ID  :  LLNL-TR-403164
RP-ID  :  W-7405-ENG-48
RP-ID  :  936989

美国|英语

来源: UNT Digital Library

【 摘 要 】

A verification test suite has been assessed with primary focus on low reynolds number flow of liquid metals. This is representative of the interface between the armature and rail in gun applications. The computational multiphysics framework, ALE3D, is used. The main objective of the current study is to provide guidance and gain confidence in the results obtained with ALE3D. A verification test suite based on 2-D cases is proposed and includes the lid-driven cavity and the Couette flow are investigated. The hydro and thermal fields are assumed to be steady and laminar in nature. Results are compared with analytical solutions and previously published data. Mesh resolution studies are performed along with various models for the equation of state.