Ship hydrodynamic front guide wheel energy-saving device

• Main Authors: HUANG GUOFU, WANG JINCHENG, YANG YIMIN, ZHANG ZHIRONG, CHEN JINGPU, REN HUAIYUAN, PENG GUISHENG, CAI ZHUYI, MA YANDE, MA YAN, ZHOU WEIXIN, SUN XIAONAN, HONG FANGWEN, LI WEIWEI
• Format: Patent
• Language: Chinese; English
• Published: 12.12.2012
• Subjects: MARINE PROPULSION OR STEERING; PERFORMING OPERATIONS; RELATED EQUIPMENT; SHIPS OR OTHER WATERBORNE VESSELS; TRANSPORTING

The utility model discloses a ship hydrodynamic front guide wheel energy-saving device which comprises a front conical guide pipe and guide vanes. The front conical guide pipe is mounted at the tail of a ship body and is positioned nearly in front of a propeller, the guide vanes are arranged on an inner ring of the guide pipe at intervals, and the outer side end surface and the inner side end surface of each guide vane are fixed on the circumferential surface of an inner pipe of the guide pipe and the tail of the ship body respectively. The diameter D of the propeller serves as a reference, the diameter of an inlet at the front end of the guide pipe ranges from 0.7D to 0.85D, the diameter of an outlet at the rear end of the guide pipe ranges from 0.65D to 0.75D, the chord length L ranges from 0.3D to 0.4D, the maximum thickness of the pipe wall of the section of the guide pipe ranges from 0.075L to 0.12L, the chord length of each guide vane ranges from 0.15D to 0.25D, the guide vanes are distributed on the in