Dr
Pengyu Wang
(State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical Engineering and Electronics, Huazhong University of Science and Technology)Dr
Chuan Li
(State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology)
In natural, the condensation and coalescence and growth of water droplets play a significant role in the process of cloud formation, which is hard to occur under subsaturated environment. In this paper, the growth of water droplets is detected in a 0.24 $m^{3}$-subsaturated cloud chamber with unipolar corona discharge. The results show that the diameter of droplets can grow up from submicron to 31μm under -40 kV at relative humidity ~ 80% and ambient temperature ~ 10℃. The growth mechanism is further discussed combined with the calculation of electric field intensity distribution, and the measured negative ions density in the cloud chamber. What’s more, a novel dynamic model of charged droplets motion is put forward to demonstrate the key role of electric field and charged particles in the evolution process of coalescence and growth of water droplets. The research results can provide a reference to the realization of atmospheric water resources utilization in arid regions.
Dr
Pengyu Wang
(State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical Engineering and Electronics, Huazhong University of Science and Technology)
Dr
Jiawei Li
(International Joint Research Laboratory of Magnetic Confinement Fusion and Plasma Physics, Huazhong University of Science and Technology)
Dr
Chuan Li
(State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology)
Mr
Zhi Liu
(International Joint Research Laboratory of Magnetic Confinement Fusion and Plasma Physics, Huazhong University of Science and Technology)
Prof.
Ming Zhang
(State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology)
Prof.
Yong Yang
(State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology)
Prof.
Kexun Yu
(State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology)
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