A novel twisted rotor blade suitable for high-speed turbomolecular pumps: Numerical modelling and structural optimisation [PDF]
To meet the urgent need for a new design concept and solve the inaccuracy of existing performance prediction algorithms for high-speed turbomolecular pumps (TMPs), a new algorithm based on a novel twisted rotor blade is proposed.
Kun Sun +7 more
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The Effect of Rotor Geometry on Particle Size Characteristics for Knife-milled Wheat Straw
The paper aimed to experimentally identify the effect of rotor blade geometry on particle size characteristics for the knife-milled wheat straw of 12.5 wt % moisture content.
Lukas Kratky +4 more
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Effect of Non-Uniformity of Rotor Stagger Angle on the Stability of a Low-Speed Axial Compressor
It is well known that variations in stagger angle between rotor blades affect compressor performance. In this paper, the stagger angle of blade No. 8 is increased or decreased by six degrees for non-uniformity, and the influence of rotor non-uniformity ...
Shuai Ma, Jun Hu, Xuegao Wang, Jiajia Ji
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The structural optimum design of laminated slender beam section with arbitrary material distribution using a genetic algorithm [PDF]
In this paper, a study on optimum design methodology of a section structure of a composite material rotor blade using genetic algorithm is conducted, in order to calculate repetitive optimum design, analysis of strength, fatigue and vibration on blade ...
Sang Ho AHN, Jun Hwan JANG
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In this experimental study, two three-bladed rotors with a blade aspect ratio of 7.79 and 9.74 representing a 25% increase were tested. Each blade contains an S809 airfoil with zero pre-built twist and 20 high-performance synthetic jet actuators ...
Victor Maldonado +4 more
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Experimental and Numerical Studies on a Single Coherent Blade of a Vertical Axis Carousel Wind Rotor
This article presents the results of experimental and numerical studies on a single coherent rotor blade. The blade was designed for a vertical-axis wind turbine rotor with a self-adjusting system and planetary blade rotation.
Marcin Augustyn, Filip Lisowski
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Vibration Test of Blade Disc of High Pressure Turbine in High Rotating Speed
In the high-speed rotating state, the experimental study on the vibration characteristics of high-pressure turbine rotor blade and the vibration reduction effect of flange damping device is beneficial to the later design iteration and obtain the real ...
LUO Li, HUANG Dayong
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Improving the Structural Integrity of Composite Blades in Vertical Axis Wind Turbines: A Parametric Study Employing the Finite Element Method [PDF]
The objective of this work is to conduct a stress analysis of an H-rotor vertical axis wind turbine (VAWT) blade under aerodynamic loads. The rotor blade is designed based on the maximum deflection and bending stresses at extreme loading conditions ...
Rasha Soliman +3 more
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Continuous improvement of wind turbines represent an effective way of achieving green energy and reducing dependence on fossil fuel. Conventional lift-type horizontal axis wind turbines, which are widely used, are designed to run under high wind speed to
Ke Song, Huiting Huan, Yuchi Kang
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Accurate prediction of the aerodynamic characteristics of wind rotors subjected to various wind profiles is of considerable importance in the aerodynamics and structural design of wind turbines.
Pan He, Jian Xia
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