1 vote
Accepted

Any scientific research papers on electromagnetic active valves using variable viscosity electromagnetic fluids?

Yes magnetorheological dampers (MRDs) are practical and available on cars today. I get about a zillion google hits on them An overview is here https://link.springer.com/chapter/10.1007/978-1-84800-231-...
1 vote

Dispersion of Carbon Monoxide

Situation 1 is more correct than situation 2 in the short to medium time scale. As time goes to infinity (a sufficiently long time for the actual physical scenario), carbon monoxide (CO) levels will ...
  • 476
1 vote

Minor loss coefficient for pipe end

[loss of head]1 For Sudden Enlargement d = mm = m i. Head Lost = x (Sh - 1) = mm of water ii. Discharge (Q) = Area of measuring Tank/time Required iii. Velocity (V) = Q A iv. Head lost he = (V1 – V2) ...
1 vote
Accepted

Confusion over textbook formulae for directional characteristics of sound sources

The sound pressure does go negative, that is out of phase with the reference signal. Incidentally your plot is confusing to me, as x axis seems to be either frequency or wavelength(?), so you are ...
1 vote

Does this exist - Water flow control with energy recovery

You can use A Kaplan turbine and control the pitch of the blades and/or the wicket gates or use a Francis turbine and use the wicket gates to control the flow rate. Pelton turbines can also be used to ...

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