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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2003.4
- 수록면
- 1,560 - 1,565 (6page)
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초록· 키워드
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Thermocapillary convection in an open cylindrical annulus heated from the inside wall is investigated
by two-dimensional numerical simulations. The deformable free surface is obtained as a solution of the
coupled transport equations at fixed Prandtl and aspect ratio. Only steady convection can be realized in
this axisymmetric computations with either non-deformable or deformable surfaces. Dynamic free-surface
deformations do not induce transitions to oscillatory convection even at large Reynolds numbers. Free
surfaces are convex near the cold wall due to the stagnation point, and concave near the hot wall. Free
surface deformation increases with increasing Ca at a fixed Re. Two peaks appear at the free surface
with low Re, while additional ripples, four peaks, occur at larger Re. Thermocapillary convection in the
open annulus interior is insensitive to variations in Ca.
by two-dimensional numerical simulations. The deformable free surface is obtained as a solution of the
coupled transport equations at fixed Prandtl and aspect ratio. Only steady convection can be realized in
this axisymmetric computations with either non-deformable or deformable surfaces. Dynamic free-surface
deformations do not induce transitions to oscillatory convection even at large Reynolds numbers. Free
surfaces are convex near the cold wall due to the stagnation point, and concave near the hot wall. Free
surface deformation increases with increasing Ca at a fixed Re. Two peaks appear at the free surface
with low Re, while additional ripples, four peaks, occur at larger Re. Thermocapillary convection in the
open annulus interior is insensitive to variations in Ca.
목차
Abstract
1. 서론
2. 수학적 모델
3. 수치적 모델
4. 결과 및 고찰
5. 결론
참고문헌
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UCI(KEPA) : I410-ECN-0101-2009-550-014204582