氧化物溶液表面张力对流速度场研究

无机材料学报

氧化物溶液表面张力对流速度场研究

金蔚青¹; 蒋元方²; 梁歆桉¹; 葛长根²; 杨家骏²; 潘志雷¹; 刘照华¹

1. 中国科学院上海硅酸盐研究所, 上海 200050; 2. 华东师范大学物理系, 上海 200062

收稿日期:1999-11-17 修回日期:1900-01-01 出版日期:2000-04-20 网络出版日期:2000-04-20

Experimental Measurement and Theoretical Analysis of Oxide Melt Thermocapillary Convection Velocity Field

JIN Wei-Qing¹; JIANG Yuan-Fang²; LIANG Xin-An¹; GE Chang-Gen², YANG Jia-Jun²; PAN Zhi-Lei¹; LIU Zhao-Hua ¹

1. Shanghai Institute of Ceramics; Chinese Academy of Scinence; Shanghai 200050; China; 2. Physics department; East China Normal University; Shanghai 200062, China

Received:1999-11-17 Revised:1900-01-01 Published:2000-04-20 Online:2000-04-20

摘要/Abstract

摘要： 利用示踪粒子获得直径为２ｍｍ的环状铂金坩埚内Ｌｉ_２Ｂ_４Ｏ_７＋ＫＮｂＯ_３熔体近坩埚区域的表面张力对流速度场；并从理论上推导出表面张力对流速度场解析表达式，推导结果与实测结果一致．

关键词: 氧化物熔体, 表面张力对流, 速度场

Abstract: Na₂CO₃ particles were utilized to trace the thermocapillary convection of Li₂B₄O₇+ KNbO₃ melt in a loop--like crucible. The thermocapillary convection velocity field beside the crucible inner edge was experimentally measured. From thermodynamic equation this velocity field was also obtained theoretically and it confirmed with the experimental data exactly.

Key words: oxide melt, thermocapillary convection, velocity field

中图分类号:

O781

金蔚青,蒋元方,梁歆桉,葛长根,杨家骏,潘志雷,刘照华. 氧化物溶液表面张力对流速度场研究[J]. 无机材料学报.

JIN Wei-Qing,JIANG Yuan-Fang,LIANG Xin-An,GE Chang-Gen,YANG Jia-Jun,PAN Zhi-Lei,LIU Zhao-Hua. Experimental Measurement and Theoretical Analysis of Oxide Melt Thermocapillary Convection Velocity Field[J]. Journal of Inorganic Materials.

[1]	潘秀红,金蔚青,艾飞,刘崐岩,张英. 表面张力对流对 BaB₂O₄晶体生长界面边界层的作用[J]. 无机材料学报, 2007, 22(6): 1239-1242.
[2]	刘照华,金蔚青,潘志雷,梁歆桉,陈刚毅. 高温KNbO₃熔液内速度场和温度场的实验研究及其数字模拟分析[J]. 无机材料学报, 2002, 17(6): 1112-1116.
[3]	梁歆桉,金蔚青,潘志雷,刘照华. Bi₁₂SiO₂₀熔体表面张力对流研究[J]. 无机材料学报, 2001, 16(1): 32-36.
[4]	金蔚青,潘志雷,蔡丽霞,刘照华,梁歆按. 溶质表面张力对流模型及其对空间实验的解析[J]. 无机材料学报, 2000, 15(3): 385-391.
[5]	刘照华,金蔚青,潘志雷,程宁. 高温氧化物熔体中表面张力对流效应研究实验[J]. 无机材料学报, 1998, 13(1): 113-116.