Experimental study on equilibrium waterfilm concentration of sodium chloride aqueous solution in static flash evaporation
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作者:
Zhao, Bing-Chao
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机构:
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710049, ChinaState Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Zhao, Bing-Chao
[1
]
Yang, Qing-Zhong
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机构:
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710049, ChinaState Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Yang, Qing-Zhong
[1
]
Zhang, Dan
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机构:
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710049, ChinaState Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Zhang, Dan
[1
]
Yan, Jun-Jie
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机构:
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710049, ChinaState Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Yan, Jun-Jie
[1
]
Wang, Jin-Shi
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机构:
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710049, ChinaState Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Wang, Jin-Shi
[1
]
机构:
[1] State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
来源:
Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics
|
2014年
/
35卷
/
07期
关键词:
Evaporation;
-;
Solutions;
D O I:
暂无
中图分类号:
TQ [化学工业];
学科分类号:
0817 ;
摘要:
An experimental study on equilibrium waterfilm concentration in static flash evaporation of aqueous NaCl solution was present. Experiments were carried out with initial waterfilm concentration varied from 0 to 0.26 (saturated), initial waterfilm height from 0.1 to 0.4 m, and superheat from 2 to 43 K. Results indicated that both evaporation and steam-carrying led to the change of equilibrium waterfilm concentration. Equilibrium waterfilm concentration gradually increased with increasing superheats. Meanwhile, the equilibrium waterfilm concentration also gradually increased with increasing initial waterfilm height and initial waterfilm concentration when the superheats kept constant. At last, concentrated ratio increased with the increase of superheats. Concentrated ratio first increased and then decreased with the increase of initial waterfilm concentration.