how to calculate the uncertainty?
how to calculate the uncertainty?
(OP)
How to measure the head and motor power in vertical turbine pump? how to define their uncertainties. actually I have a set of data for one of them. I have to assume their uncertainties.
H P T
17.8 52900 0.022
18.9 51700 0.025
20.5 51700 0.032
22.2 52100 0.045
27.8 56400 0.134
H P T
17.8 52900 0.022
18.9 51700 0.025
20.5 51700 0.032
22.2 52100 0.045
27.8 56400 0.134





RE: how to calculate the uncertainty?
What in the world is your question?
RE: how to calculate the uncertainty?
rmw
RE: how to calculate the uncertainty?
Only put off until tomorrow what you are willing to die having left undone. - Pablo Picasso
RE: how to calculate the uncertainty?
RE: how to calculate the uncertainty?
The biggest uncertainty is the salesman who has flogged you a pump running at 135% of BEP and has only considered one duty point not the whole range of operating flows and heads.
"Sharing knowledge is the way to immortality"
His Holiness the Dalai Lama.
http://waterhammer.hopout.com.au/