Hall Effects on Hydromagnetic Flow and Heat Transfer in a Rotating Channel

An exact solution has been obtained for the fully developedflow of a conducting fluid within a rotating channel due toaconstant pressure gradient in the presence of a uniform transversemagnetic field, taking Hall currents into account. The effectsof Hall current and rotation on the velocity and the magneticfield have been discussed. The shear stress at theplate decreasesdue to an increase in either the Hall parameter for the rotationparameter. Hall effects on the heat transfer have also beenconsidered. For small values of rotation parameter, the rateof heat transfer at the upper plate decreases while for largevalues of rotation parameter the rate of heat transfer firstdecreases, reaches a minimum and then increases with the increasein the Hall parameter. This result is reversed for the lowerplate whose temperature is below that of the upper plate.