Locally induced laminar convection in liquid nitrogen and silicone oils C. Dubois, A. Duchesne, B. Vanderheyden, P. Vanderbemden and H. Caps Eur. Phys. J. E, 39 8 (2016) 79 Published online: 29 August 2016 DOI: 10.1140/epje/i2016-16079-4