Three Dimensional Effects in Taylor Flow in Circular Microchannels Raghvendra Gupta, Sharon S.Y. Leung, Rogerio Manica, David F. Fletcher and Brian S. Haynes La Houille Blanche, 2 (2013) 60-67 Published online: 22 May 2013 DOI: 10.1051/lhb/2013017