How to Measure Flow
From Appropedia
[edit] Measuring Volumetric Flow
- Equipment/Material
| | |
| | People (total minimum). Select roles A, B, and C. |
| | Pencil |
| | Note pad |
| | Calculator |
| | Tape measure. 30-feet minimum. |
| | Stop watch |
| | 5-gallon bucket |
| | Measuring stick, just under 5 feet |
| | I-Beam spirit Level, (15" to 24" is convenient). |
| | Moving water source that can be captured in a buket. |
| | Inclined walking surface |
Materials: bucket, stop watch, water source, and pencil/ note pad
Jobs: Member A (fills bucket with water), Member B (timer), Member C (recorder)
Note: Find an easy and SAFE place. Also make sure that this site has very similar slope to the site that you will measure head. .
- Member A places the bucket in front of the waterfall, waits for timer.
- Member B says “Go,” and starts the timer.
- Member A places the bucket under the waterfall, capturing all of the water
- When the bucket is full, the Member A says, “Stop”.
- Member C records time.
- Repeat Steps 3 times.
- NOTE: Here are some reasons why one might not want to accept certain data:
- The bucket is not capturing all of the water.
- The bucket overflows before the bucket holder says stop..
- A large piece of debris falls down the waterfall into the bucket.
[edit] Calculations
Needs to be completed.
Categories: How tos | Water | Microhydro
