After I think again and again, I remember that I have an ultrasonic humidifier at my home. When the weather is dry, my mum would use it. As the ultrasonic humidifier would keep giving out mist, I think it maybe suitable for my project.
To fix the Problem 2:
Buy 2/3 more machines, but it is too expensive!
After I had tried to play and observe it seriously, I found there are some seriousl problems:
Problem 1: All the mist is spraied upward. As I would prefer this machine is put on the top of my installation, the mist would give out from the top at the audience's head.
To fix the Problem 1:
To fix the Problem 1:
1. I tried to open a fan on the top to blow the mist downward. However, it is not successed.
2. I tried to use a big plane and put it above the machine to block the mist going upward, but still not successful.
Problem 2: Besides, although I turn the machine at the max-level, the mist is not enough for my request.To fix the Problem 2:
Buy 2/3 more machines, but it is too expensive!
So, I think I still need to find another mist machine : p
