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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2014.10
- 수록면
- 101 - 107 (7page)
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초록· 키워드
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In rarefied gas flow regimes, velocity slip and temperature jump can occur on the solid body surface. To capture these phenomena by a continuum solver, slip boundary conditions are necessary. In the present study, an unstructured mesh Navier-Stokes solver employing a Maxwell slip boundary condition was developed. The present solver was applied to the simulation of flows around an axisymmetric hollow cylinder problem corresponding to Calspan-UB Research Center (CUBRC) Run 14, and the velocity slip and the temperature jump on the cylinder surface were investigated. The effect of the momentum and thermal accommodation coefficients used in the Maxwell condition was also investigated by adjusting their values from 0.5 to 1.5. The results show that as the values of the coefficients become lower, the velocity slip and the temperature jump are increased. The wake region becomes narrowed, as the coefficients decreases.
목차
Abstract
1. Introduction
2. Numerical Methods
3. Results and Discussion
4. Conclusion
5. References
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