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Transient Flow of Gas-steam Mixture in a Canister
Bhushan A. Bhosale,Seong Hun Bae,Hyuk Soo Jeon,Chul Hyun Park,Jeong Soo Kim 한국추진공학회 2016 한국추진공학회 학술대회논문집 Vol.2016 No.5
The main purpose of this research work is to analyze the complicated three-dimensional flow structure created by the hot jet impingement on the canister walls. The three-dimensional flow features inside the canister caused by compressible flow were examined and numerically simulated by solving two-equation SST turbulence model with the combination of discrete phase model. In this simulation the working fluid consists a mixture of water vapour and air. The accumulation of this mixture inside a canister develops into the pressurization which may cause missile to lift and force it out from the canister. The entrance of this mixture inclines to the canister at an angle of 45° to prevent the direct jet-impinging on the sidewalls. The computational results with the turbulence models mentioned fairly well predict the pressure, velocity and temperature distribution in the canister.