What about air pollution?
What is the definition of 'clean air'?
AnneMarie Maes and Frank Raes work together on the project 'Cloud in a Box', which displays a small pure
cloud emprisoned in a glass container.
The idea is to make a small orographic cloud in a box.
Modelling could give the parameters: temperature gradient, air velocity, expansion and cooling rate, … under which it would theoretically be possible?
If not an “orographic cloud”, would there be other ways to create a permanent cloud in a box?
A couple of thoughts:
- one way we do produce a cloud in a box or bottle is to pump down the pressure and then allow air to rush in , the adiabatic cooling does then produce a cloud for a short period. The big issue is that the cloud is very transient due to rapid loss of droplets to the walls.That is always going to be an issue.
- another method of obtaining a stationary cloud might be to blow a mixture of steam and cold air through the box as shown in the above diagram.
stoom en koude lucht tegen elkaar in blazen.
Daarvoor zou dan “alleen” een luchtcompressor nodig zijn + een kookketel + box.