Numerical investigation on pressure-driven electro osmatic flow and mixing in a constricted micro channel by triangular obstacle Authors C A.S., Afzal A., Badruddin I.A., Khan T.M.Y., Kamangar S., Abdelmohimen M., M. Soudagar M.E., Fayaz H. Publisher International Journal of Numerical Methods for Heat and Fluid Flow Publication year 2020