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Old 04-14-2009, 11:36 AM   #133 (permalink)
oldbeaver
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Using Bernouilli principle for metering flow

Hi James, you know about thermodynamics. Have you ever make such a flow sensor? It may be interesting if you do. Would it be accurate and cheap?

We need two for diesel fuel flow metering. Keep us informed of your experiments on that.





Quote:
Originally Posted by JamesLaugesen View Post
Hi everyone, my first post here, I've read through this thread with great interest, some real cool experiments happening.

Thought I'd propose some non-mechanical ideas for measuring flow:

A venturi meter.
Along the lines of this:
Venturi Flowmeter
Of course with something clever to observe the pressure differential as a signal.

Inertial meter, or coriolis, whatever you want to call it.
Best description I can find is good 'ol wikipedia:
Mass flow meter - Wikipedia, the free encyclopedia
Need some imagination to use it in a vehicle, especially a bike, but at least the engine could provide a good consistent vibration.
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