Hartmann number

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Hartmann number (Ha) is the ratio of electromagnetic force to the viscous force first introduced by Hartmann.[1] It is defined by:


See also[edit]


  1. ^ Kenneth R.Cramer, Shih-l Pai (1973). Magnetofluid Dynamics for Engineers and Applied Physicists. Scripta Publishing Company. ISBN 0-07-013425-1.