Daemons - k Age
With this daemon it is possible to remove particles when a time limit is reached. Another possibility is to create more particles based on a particle’s lifetime, e.g. for the creation of foam and spray.
Life
This parameter sets the life-span for all particles given in frames.
Variation
You can alter the life span to create a more random behaviour when particles are disappearing. “Variation” is quoted in frames and accepts both negative and positive values. Please be careful with very high settings, because they can create an unwanted flickering.
Split
Instead of deleting the particles you can also force the daemon to create more particles at a certain life value. The amount of split particles is specified under "# child”.
# child
Here you can define the number of child particles to be created if “Split” is set to “Yes”.