Integrated Design and Realization of a Hubless Rim-driven Thruster

Hsieh, Min‐Fu; Chen, Jeng-Horng; Yeh, Yu Min; Lee, Chi-Lu; Chen, Po-Hsun; Hsu, You-Chiuan; Chen, Yen-Hung

doi:10.1109/iecon.2007.4460298

Cited by 21 publications

(13 citation statements)

References 2 publications

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“…However, as the IMP involves multiple disciplines, only a few related researches were reported. A hubless rim‐driven thruster prototype was designed and manufactured in [7], the experiments demonstrated that the brushless permanent magnet (PM) motor in the prototype achieved an acceptable performance. Sharkh and Lai et al [8, 9] presented the optimisation and fabrication of a slotless PM brushless motor for rim‐ or tip‐driven thrusters, and the experimental motor performance results indicated that the slotless motor was less efficient and more expensive when compared with a slotted motor within the same active radial dimensions.…”

Section: Introductionmentioning

confidence: 99%

Analytical design of the integrated motor used in a hubless rim‐driven propulsor

Cheng

Pan

Cao

2019

IET Electric Power Applications

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The rim-driven integrated motor propulsor (IMP) has received much attention in recent years, owing to its superiority in flexibility, reliability, and space occupation. For this propulsion system, radially thin motors with high torque and large air gaps are essential. Two-segment Halbach array permanent magnets with unequal segment-arc are adopted to enable a thin rotor and a large air gap. The general analytical solution of the magnetic field is presented. Based on the analytical calculation of the Halbach motor performance, the necessity of the rotor core was discussed, and the Halbach array was optimised with an analytical method to maximise the electromagnetic torque. This study also tried and compared three designs of the integrated motor stator to further reduce the radial thickness, and the slotted stator proved more reasonable. The fabrication of an IMP prototype was completed, and the experimental data of the integrated motor are presented and compared with the calculated results. This study also conducted the water tunnel experiment of the IMP prototype to test the integrated motor performance in the overall IMP system. The measured rotational speed and output thrust are less than expected, so the friction loss in the IMP gap flow field is calculated and analysed.

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Section: Introductionmentioning

confidence: 99%

Analytical design of the integrated motor used in a hubless rim‐driven propulsor

Cheng

Pan

Cao

2019

IET Electric Power Applications

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“…The surrounding sea water is allowed to enter to the rotor/stator structure and thereby also aid in cooling. The motor do not employ any type of pressure compensation as in case of conventional thruster motors [1,2]. The design parameters of the motor are given in the appendix Due to the large diameter of the rotor and availability of magnet size, a rotor design with surface mounted magnets with eight poles was configured for the Hubless electric motor.…”

Section: B Rotormentioning

confidence: 99%

“…The motor is designed to deliver a torque of 70 Nm at the rated speed of 800rpm for a propeller diameter of 300mm. The total system design is multidisciplinary in nature and this paper will restrict to the design and development of electric motor based of the ring frame design for this system [1,2]. BLDC type of motor is chosen for the following reasons in this application.…”

Section: Introductionmentioning

confidence: 99%

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ABSTRACT

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mentioning

confidence: 99%

“…The main advantage of the hubless propeller is its capacity to operate in a confined space in the hull aft underwater space. The hubless propeller therefore has potential hydrodynamic operating advantages [2]. …”

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confidence: 99%

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Design, Interpretation and Progression of BLDC Motor for Coreless Thruster

Kumar

2016

IJSRE

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This paper is to present on the design, development and manufacture of a of high power Permanent MagnetIt is observed from the experimental results the Hubless propeller is capable of absorbing larger power and delivering higher thrust when compared with a conventional equivalent screw propeller [2]. The efficiency is marginally higher at low advance coefficient. In the hubless propeller the stator which is also designed as part of the prime mover motor, contributes significantly to the thrust. The main advantage of the hubless propeller is its capacity to operate in a confined space in the hull aft underwater space. The hubless propeller therefore has potential hydrodynamic operating advantages [2].

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The RDF Jet—A New Electric Aero-engine

Duan

2023

When AIAA Meets IEEE

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Integrated Design and Realization of a Hubless Rim-driven Thruster

Cited by 21 publications

References 2 publications

Analytical design of the integrated motor used in a hubless rim‐driven propulsor

Analytical design of the integrated motor used in a hubless rim‐driven propulsor

Design, Interpretation and Progression of BLDC Motor for Coreless Thruster

The RDF Jet—A New Electric Aero-engine

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