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논문 기본 정보

자료유형
학술대회자료
저자정보
Cong-Tu Ha (Pusan National University) Warn-Gyu Park (Pusan National University)
저널정보
한국전산유체공학회 한국전산유체공학회 학술대회논문집 한국전산유체공학회 2014년도 추계학술대회 논문집
발행연도
2014.11
수록면
237 - 240 (4page)

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Numerical simulations of two-fluid flow models based on the full Naviver-Stokes equations are presented. The models involve six and seven partial differential equations, namely seven- and six-equation models. The seven-equation model consists of a non-conservative equation for volume fraction evolution of one of the fluids and two sets of balance equations. Each set describes the motion of corresponding fluid which has its own pressure, velocity, temperature, etc. The closure is achieved by two stiffened-gas equations of state. Instantaneous relaxation towards equilibrium is achieved by velocity and pressure relaxation terms. The six-equation model is deduced from the seven-equation one by assuming zero velocity relaxation term. In this model, a single velocity is used for both fluids. The numerical solutions are obtained by applying of the Strang splitting technique. The numerical solutions are examined over a set of one-, two-, and three-dimensions for both six- and seven-equation models. The results indicate a very good agreement with the experimental ones. There is insignificant difference between the results of two models, but the six-equation model offers much more advantage economy over the the seven-equation one.

목차

Abstract
1. INTRODUCTION
2. TWO-FLUID MODELS
3. RESULTS
4. CONCLUSIONS
References

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UCI(KEPA) : I410-ECN-0101-2016-559-001586982