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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2010.1
- 수록면
- 125 - 132 (8page)
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초록· 키워드
오류제보하기
For typical governing dimensionless parameters of Ar = 5, Pr = 1.16, Le = 0.14, Pe = 3.57, Cv = 1.02, Grs = 2.65 ×106, the effects of thermo physical properties such as a molecular weight, a binary diffusivity coefficient, a partial pressure of component B on solutally buoyancy-driven convection (solutal Grashof number Grs = 2.65 × 106) are theoretically investigated for further understanding and insight into an essence of solutal convection occurring in the vapor phase during the physical vapor transport of a Hg2Cl2-N2 system. The solutally buoyancy-driven convection is significantly affected by any significant disparity in the molecular weight of the crystal components and the impurity gas of nitrogen. The solutal convection in a vertical orientation is found to be more suppressed than a tenth reduction of gravitational accelerations in a horizontal orientation. For crystal growth parameters under consideration, the greater uniformity in the growth rate is obtained for either solutal convection mode in a vertical orientation or thermal convection mode in horizontal geometry.
The growth rate is also found to be first order exponentially decayed for 10 ≤ PB ≤ 200 Torr.
목차
등록된 정보가 없습니다.
참고문헌 (25)
참고문헌 신청
A. Nadarajah / 1992 / Effects of buoyancy-driven flow and thermal boundary conditions on physical vapor transport / J. Crystal Growth 118 : 49 ~
B.L. Markham / 1981 / Numerical modeling of diffusive-convective physical vapor transport in cylindrical vertical ampoules / J. Crystal Growth 51 : 426 ~
C. Mennetrier / 19
C. Mennetrier / 1991 / Thermal-solutal convection with conduction effects inside a rectangular enclosure / NASA Technical Memorandum 105371
F. Rosenberger / 1983 / Interfacial transport in crystal growth, a parameter comparison of convective effects / J. Crystal Growth 65 : 91 ~
B.L. Markham / 1981 / Numerical modeling of diffusive-convective physical vapor transport in cylindrical vertical ampoules / J. Crystal Growth 51 : 426 ~
C. Mennetrier / 19
C. Mennetrier / 1991 / Thermal-solutal convection with conduction effects inside a rectangular enclosure / NASA Technical Memorandum 105371
F. Rosenberger / 1983 / Interfacial transport in crystal growth, a parameter comparison of convective effects / J. Crystal Growth 65 : 91 ~
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