cranfield0033

prospect magneto aerodynam equat describ flow electr conduct fluid presenc electr magnet field written aid certain simplif appropri aeronaut applic order estim probabl signific magneto aerodynam effect data conduct pure seed air first examin dimensionless quantiti repres ratio forc current form valu studi condit flight atmospher exampl magneto hydrodynam magnetogasdynam effect simpl flow given includ two case poiscuil flow conduct liquid appli magnet field case quasi one dimension flow appli electr magnet field last case attract possibl found control acceler deceler subson superson speed even constant area channel behavior flow characterist differ differ regim mach number flow speed rel certain signific speed depend ratio electr magnet field strength studi chart construct relat length speed ratio maximum acceler constant area channel conclud advantag may accru magneto aerodynam method suffici attract justifi consider research engin develop requir among unsolv engin problem reduct surfac resist electrod contact conduct develop techniqu seed provis requir magnet field flight