Hydrodynamic performance of propeller in oblique flow based on panel method

HOU Li-xun; HU An-kang

doi:10.16411/j.cnki.issn1006-7736.2018.04.003

Journal of Dalian Maritime University >

2018 , Vol. 44 >Issue 4: 15 - 20

DOI: https://doi.org/10.16411/j.cnki.issn1006-7736.2018.04.003

Hydrodynamic performance of propeller in oblique flow based on panel method

HOU Li-xun ,
HU An-kang

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(1.Naval Architecture and Ocean Engineering College, Dalian Maritime University, Dalian 116026, China；2. State Key Laboratory of Ocean Engineering ，Shanghai Jiao Tong University,Shanghai 200240,China)

Received date: 2017-12-31

Revised date: 2018-05-04

Online published: 2018-05-07

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Abstract

In order to study the hydrodynamic performance of propeller in oblique flow, the iterative calculation model of propeller hydrodynamic performance in oblique flow was established based on low order velocity potential panel method. The hydrodynamic performance of propeller was calculated by using panel method, and the induced velocity of propeller on the disc was also calculated. During the iterative calculation process, the slipstream of propeller was adjusted according to the inflow velocity and the induced velocity, and the hydrodynamic performance of propeller was recalculated until the result converges. Example calculation result shows that the thrust and torque of the propeller is obviously increased by the oblique flow comparing with straight inflow, and efficiency increases at low advance speed and decreases at high advance speed.

Key words： propeller; oblique flow; hydrodynamic performance; panel method; induced velocity

Cite this article

HOU Li-xun , HU An-kang . Hydrodynamic performance of propeller in oblique flow based on panel method[J]. Journal of Dalian Maritime University, 2018 , 44(4) : 15 -20 . DOI: 10.16411/j.cnki.issn1006-7736.2018.04.003

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