What is a streak line
A locus of parcels that have passed through a prescribed point. This is produced over a finite time period and viewed at a given time.
Facts:
- Same system of ODEs as the pathline
- However, we consider at a fixed time
- all particles that originated from the same point
- Smoke or dye visualization are common
How to Visualize a Streak Line
- You usually use smoke of some kind
We don’t mathematically need to know anything about these