I'm interest in MHD power generator, especially using salt water flow under transverse magnetic field.
https://www.epj-conferences.org/articles/epjconf/pdf/2012/15/epjconf_e2c2012_02011.pdf
In this paper, they assume that the e.m.f as f0=4w(B_0)(V_E) constant value independent of the hall current. However I think that if we connect the electrode, the ions are eliminated by reduction and oxidation on the electrode surface. So the removing charge effect will decrease the e.m.f value.
So I want to know my guess is reasonable and way how to get the maximum power produced by the device.
Maximum power transfer for any generator is depending on maximum current caring capacity of winding with rates voltage and power factor. With rated voltage with higher power factor the active power transfer would reduced as W= VI Cos(phi), but the reactive would increased as VAR=VI Sin(phi)….
Could you explain more detail about Cos(phi)? Is it related with MHD generator?
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