TY - JOUR AU - Mujal Colilles, A AU - Gironella Cobos, Francesc Xavier AU - Cabrera Crespo, Alejandro Jacobo AU - Sánchez Arcilla, A PY - 2017 SN - 0733950X SN - 19435460 UR - http://hdl.handle.net/11093/5331 AB - Twin propellers without a rudder were studied using a physical model with a fixed clearance distance and three different rotating velocities. Experimental results were compared with results from theoretical expressions developed over the past 50 years... LA - eng PB - Journal of Waterway Port Coastal and Ocean Engineering TI - Study of the bed velocity induced by twin propellers DO - 10.1061/(ASCE)WW.1943-5460.0000382 ER -