Colebrook Pipe Data

Colebrook Pipe Data - Colebrook Pipe Data - Messages

#1 Posted: 4/21/2016 8:35:32 PM
Jean Giraud

Jean Giraud

983 likes in 6866 posts.

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By same token of "Pipe Data", Colebrook Moody has been refactored.
Observe carefully the code to make the 'solve block' survive by
introducing it within a program structure. In this implicit solve,
the block needs an [one] initial value. Same code structure as
it was discovered in Mathcad 8/11 [undocumented].
A splendid piece of Engineering work for publishing and documenting
the project, tracable for the client's archive.

Jean

Forum Colebrook Pipe Data.gif


Inst_Colebrook MOODY.sm (16 KiB) downloaded 80 time(s).

Inst_Colebrook Pipe Data.sm (24 KiB) downloaded 81 time(s).
#2 Posted: 4/21/2016 9:13:44 PM
Mike Kaganski

Mike Kaganski

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kW/hr is non-existent (physically nonsensical) unit of power. Power is measured in kW, and work is measured in kW*hr.
С уважением, Михаил Каганский
#3 Posted: 4/23/2016 1:25:50 AM
Jean Giraud

Jean Giraud

983 likes in 6866 posts.

Group: User

Wrote

kW/hr is non-existent (physically nonsensical) unit of power



Interesting: that's what alll Canadians we pay for 'kWh' consummed.
Billing may vary from Provinces to Provinces
Here is my billing for february 2016
"690 Kwh @ $ 0.0965/kWh"
My kW/hr is user to conform Q[T/hr] to deconfuse unit user confused.

Jean


#4 Posted: 4/23/2016 1:32:22 AM
Jean Giraud

Jean Giraud

983 likes in 6866 posts.

Group: User

... typos, updated, on-fly calculator added.

JeanInst_Colebrook Pipe Data.sm (60 KiB) downloaded 58 time(s).
#5 Posted: 4/23/2016 3:36:54 AM
Mike Kaganski

Mike Kaganski

184 likes in 434 posts.

Group: User

Wrote

Interesting: that's what alll Canadians we pay for 'kWh' consummed.
Billing may vary from Provinces to Provinces
Here is my billing for february 2016
"690 Kwh @ $ 0.0965/kWh"
My kW/hr is user to conform Q[T/hr] to deconfuse unit user confused.


Yes. kWh = kW*hr. This is unit of energy. Energy is integral of power by time, i.e. mean power multiplied by time. Power is measuted in kiloWatts, time in hours.
С уважением, Михаил Каганский
#6 Posted: 4/23/2016 9:43:20 AM
Jean Giraud

Jean Giraud

983 likes in 6866 posts.

Group: User

Wrote

Yes. kWh = kW*hr. This is unit of energy. Energy is integral of power by time, i.e. mean power multiplied by time. Power is measuted in kiloWatts, time in hours.



What you say is right, but not for design Engineer.
The Engineer wants to know the "POWER RATING" of the
motor to push Q[T/hr] via the pump it activates.
That's what the "Pipe Data" answers for those in that stuff.
Just introduce the 'r' efficiency factor from the supplier
of the 'MotorPump'.

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