Why are the ship's drive impellers behind, not in the front?
1, the propeller belongs to the impeller mechanism, can be seen as an axial flow pump2, for axial flow pump, there is import pressure V1, export pressure V2, import flow L1, export flow L2, general design, V1 is bigger the better, V2 is smaller the better.3, if the propeller installed in the bow, the hull will "block" the propeller exports, so that the export pressure V2 is too large, so will lead to reduced flow, where can the ship go?4, in order to ensure minimum export pressure, the propeller is usually set in the stern
It's all in the back.1, in order to ensure minimum export pressure, the propeller is usually set in the stern2, for axial flow pump, there is import pressure V1, export pressure V2, import flow L1, export flow L2, general design, V1 is bigger the better, V2 is smaller the better.3, if the propeller installed in the bow, the hull will "block" the propeller exports, so that the export pressure V2 is too large, so will lead to reduced flow, where can the ship go?
3, if the propeller installed in the bow, the hull will "block" the propeller exports, so that the export pressure V2 is too large, so will lead to reduced flow, where can the ship go?4, in order to ensure minimum export pressure, the propeller is usually set in the stern
1, the propeller belongs to the impeller mechanism, can be seen as an axial flow pump2, for axial flow pump, there is import pressure V1, export pressure V2, import flow L1, export flow L2, general design, V1 is bigger the better, V2 is smaller the better.
