Date of the experiment : 10.10.23
On this week, we did the last task of field works. As lucky person it wasn't a rainy day, but a cold one.
On this task we were supposed to calculate the flow of the input and output stream.
The experiement consists on use the green triangle and put it in the stream. The target is to catch all the flow by blocking sideflows. To do it we add some dirt on sides and on the bache. After, we put the traingle vertically like in the next picture, and we watch the height :
Thanks to the scale, we can read the height and we can calculate the discharge Q with this formula :
We also calculate the discharge by calculating how many liter we can put in the beaker and in how many time. We realise the experiment many times to have, at the end, an average of the discharge.
We don't forget to estimate the side flow percentage.
Flow yellow result is from the experiement with the beaker.
Q is calculated with the formula.
Aproximative descharge counts the estimate side flow.
Here, we can conclude that the discharge of output stream is more important than the input one. We saw the same next week before by observing the environnement and also from the task 3. This is probably due to the difference of height between the small and big lake that we couln't observe over the input stream.
We have to noticed that our calculation were approximative cause of the side flow and also the human control of stopwatch.
Comments
Post a Comment