Xin-Xin Wang, Lu-Xin Chi, Guang-Feng Wu, Chun-Tian Li, Ding Fan. Numerical simulation of mixture gas arc of Ar-O2 [J]. Acta Physica Sinica, 2019, 68(17): 178102-1
- Acta Physica Sinica
- Vol. 68, Issue 17, 178102-1 (2019)
Fig. 1. Diffusion coefficients: (a) Combined ordinary diffusion coefficient
; (b) combined temperature diffusion coefficient
扩散系数 (a) 组合普通扩散系数
; (b) 组合温度扩散系数
Fig. 2. Schematic of the computation domain.求解域示意图
Fig. 3. Temperature field and oxygen mass fraction of Ar-O2 mixture gas arc for different current: (a) 200 A; (b) 80 A
混合气体电弧的温度场和氧组分质量分数分布 (a) 200 A; (b) 80 A
Fig. 4. Radial distributions of the mass fraction of oxygen at different distances below the cathode: (a) 200 A; (b) 80 A.距离钨极尖端不同位置氧组分质量分数的径向分布 (a) 200 A; (b) 80 A
Fig. 5. Flow fiels of mixture gas arc：(a) 200 A; (b) 80 A.混合气体电弧的流场 (a) 200 A; (b) 80 A
Fig. 6. Oxygen mass fraction of mixture gas arc 0.1 mm above the anode.混合气体电弧阳极表面0.1 mm处氧组分的分布
Fig. 7. Effect of oxygen on the arc temperature field: (a) 200 A; (b) 80 A.氧组分对电弧温度场的影响 (a) 200 A; (b) 80 A
Fig. 8. Effect of oxygen on the arc flow field: (a) 200 A; (b) 80 A.氧组分对电弧流场的影响 (a) 200 A; (b) 80 A
Fig. 9. Comparison of the calculated temperature fiels of TIG arc for 200 A current.200 A电流TIG电弧的温度场对比
Fig. 10. Comparison of radial distribution of oxygen calculated at different distances below the cathode: (a) Murphy’s results[40]; (b) the present model’s results.
距离阴极尖端不同位置氧组分径向分布的计算结果对比 (a) Murphy的结果[40]; (b) 本文的结果
| |||||||||||||||||||||||||||||||||||||||||||||||||
Table 1.
Boundary conditions.
边界条件
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20