Item author: Simone Saettone --- Publication detail --- Title: The importance of the engine-propeller model accuracy on the performance prediction of a marine propulsion system in the presence of waves Authors: Simone Saettone, Sadi Tavakoli, Bhushan Taskar, Michael Vincent Jensen, Eilif Pederseny, Jesper Schramm, Sverre Steen, and Poul Andersen Journal: Applied Ocean Research Status: Under Review --- Explanation data --- model_1.output -------> Output from model 1 model_2_3_W_xx.output -------> Output from model 2 and 3 ---Name conversion for the output from model 2 and 3 (see Table 4 in section 3.2 of the article) --- model_2_3_W_1.output -------> W111 sea state model_2_3_W_2.output -------> W121 sea state model_2_3_W_3.output -------> W131 sea state model_2_3_W_4.output -------> W141 sea state model_2_3_W_5.output -------> W112 sea state model_2_3_W_6.output -------> W122 sea state model_2_3_W_7.output -------> W132 sea state model_2_3_W_8.output -------> W142 sea state model_2_3_W_9.output -------> W113 sea state model_2_3_W_10.output -------> W123 sea state model_2_3_W_11.output -------> W133 sea state model_2_3_W_12.output -------> W143 sea state model_2_3_W_13.output -------> W114 sea state model_2_3_W_14.output -------> W124 sea state model_2_3_W_15.output -------> W134 sea state model_2_3_W_16.output -------> W144 sea state model_2_3_W_17.output -------> W211 sea state model_2_3_W_18.output -------> W221 sea state model_2_3_W_19.output -------> W231 sea state model_2_3_W_20.output -------> W241 sea state model_2_3_W_21.output -------> W212 sea state model_2_3_W_22.output -------> W222 sea state model_2_3_W_23.output -------> W232 sea state model_2_3_W_24.output -------> W242 sea state model_2_3_W_25.output -------> W213 sea state model_2_3_W_26.output -------> W223 sea state model_2_3_W_27.output -------> W233 sea state model_2_3_W_28.output -------> W243 sea state model_2_3_W_29.output -------> W214 sea state model_2_3_W_30.output -------> W224 sea state model_2_3_W_31.output -------> W234 sea state model_2_3_W_32.output -------> W244 sea state model_2_3_W_33.output -------> W311 sea state model_2_3_W_34.output -------> W321 sea state model_2_3_W_35.output -------> W331 sea state model_2_3_W_36.output -------> W341 sea state model_2_3_W_37.output -------> W312 sea state model_2_3_W_38.output -------> W322 sea state model_2_3_W_39.output -------> W332 sea state model_2_3_W_40.output -------> W342 sea state model_2_3_W_41.output -------> W313 sea state model_2_3_W_42.output -------> W323 sea state model_2_3_W_43.output -------> W333 sea state model_2_3_W_44.output -------> W343 sea state model_2_3_W_45.output -------> W314 sea state model_2_3_W_46.output -------> W324 sea state model_2_3_W_47.output -------> W334 sea state model_2_3_W_48.output -------> W344 sea state model_2_3_W_49.output -------> W411 sea state model_2_3_W_50.output -------> W421 sea state model_2_3_W_51.output -------> W431 sea state model_2_3_W_52.output -------> W441 sea state model_2_3_W_53.output -------> W412 sea state model_2_3_W_54.output -------> W422 sea state model_2_3_W_55.output -------> W432 sea state model_2_3_W_56.output -------> W442 sea state model_2_3_W_57.output -------> W413 sea state model_2_3_W_58.output -------> W423 sea state model_2_3_W_59.output -------> W433 sea state model_2_3_W_60.output -------> W443 sea state model_2_3_W_61.output -------> W414 sea state model_2_3_W_62.output -------> W424 sea state model_2_3_W_63.output -------> W434 sea state model_2_3_W_64.output -------> W444 sea state --- Explanation Variables Output from model 1 --- Sea_State -------> sea state identification number -------> - V_ship -------> ship velocity -------> m/sec Wave_amp -------> wave amplitude -------> m Wave_dir -------> wave direction -------> deg lambda/Lpp -------> wavelength -------> - Prop_speed -------> propeller speed -------> rps Thrust -------> propeller thrust -------> N Torque_Prop. -------> propeller torque -------> Nm Torque_Engine -------> engine torque -------> Nm Power -------> engine power -------> kW w -------> wake fraction -------> - J -------> advance ratio -------> - eta_P -------> propeller efficiency -------> - eta_R -------> relatative rotative efficiency -------> - --- Explanation Variables Output from model 2 and 3 --- Time_fixed -------> time model 2 - -------> sec Torque_fixed -------> engine torque model 2 -------> Nm Rpm_fixed -------> engine speed model 2 -------> rpm Beta_fixed -------> thrust diminution factor model 2 -------> - Power_fixed -------> engine power model 2 -------> kW Time_vary -------> time model 1 -------> sec Torque_vary -------> engine torque model 3 -------> Nm Rpm_vary -------> engine speed model 3 -------> rpm Beta_vary -------> thrust diminution factor model 3 -------> - Power_vary -------> engine power model 3 -------> kW Fuel_vary -------> fuel consumption model 3 -------> kg/h