Results 31 to 40 of about 542,523 (285)
Energies, 2022 This paper establishes a multidisciplinary method combining conjugate heat transfer (CHT) and thermal stress for a high-temperature Ni-based superalloy turbine rotor blade with integrated cooling structures.
Xiaoru Qian +3 more
doaj +1 more source
Modeling and Dynamic Characteristics Analysis of Blade-Disk Dual-Rotor System
Complexity, 2020 In this paper, a simplified dynamic model of a dual-rotor system coupled with blade disk is built, and the effects of blade parameters of an aircraft engine on the dynamic characteristics of a dual-rotor system are studied.
Zhenyong Lu +5 more
doaj +1 more source
Aerospace, 2022 An aero engine fan rotor is composed of a multi-stage disk and multi-stage blades. Excessive unbalance of the aero engine fan rotor after assembly is the main cause of aero engine vibration.
Huibin Zhang +6 more
doaj +1 more source
On Blade Arrangement for Multi-Blade Rotors
Wind Engineering, 2011 This paper concerns the blades of multi-bladed water-pumping windmills when they have variable mass and centre of mass. The paper explores blade arrangement strategies that will minimize the eccentricity of the rotor centre of mass and hence any rotor-induced vibration.
Hitz, K. L., Wood, D. H.
openaire +2 more sources
Performance Study of Modified Savonius Water Turbine with Two Deflector Plates
International Journal of Rotating Machinery, 2012 Savonius rotor is a vertical axis rotor with simple in design and easy to fabricate at lower cost. The rotation of the rotor is due to the drag difference between the advancing blade and returning blade. Net driving force can be increased by reducing the
Golecha Kailash +2 more
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A Review of Cooling Studies on Gas Turbine Rotor Blades with Rotation
Inventions, 2023 Increases in power density and thermal efficiency of a highly efficient gas turbine engine motivate an ever-mounting turbine entry temperature. The combined metallurgical and cooling advancements ensure the structural integrity of a gas turbine rotor ...
Shyy Woei Chang +3 more
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Multifidelity Aerodynamic Optimization of a Helicopter Rotor Blade
AIAA Journal, 2019 A multifidelity optimization technique is applied to the design of a helicopter rotor blade to improve its performance in forward flight.
J. Bailly, D. Bailly
semanticscholar +1 more source
Numerical Simulation of Helicopter Blade Bullet Penetration in Maneuvering State
Hangkong gongcheng jinzhan, 2019 The study on the impact damage of helicopter rotor blade under maneuvering condition is of important significance. Based on the rotor blade of a certain type of machine, a numerical simulation method of projectile attack on the rotor blade under the ...
Lin Changliang, Zhu Yuefa, Hu Wengang
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Aerospace, 2023 An active rotor with trailing-edge flaps (TEFs) is an effective active vibration control method for helicopters. Blade flapping dynamic characteristics have a significant effect on the active vibration control performance of an active rotor.
Xiancheng Gu +3 more
doaj +1 more source
A novel rotor blade fatigue test setup with elliptical biaxial resonant excitation
Wind Energy Science, 2019 . The full-scale fatigue test of rotor blades is an important and complex part of the development of new wind turbines. It is often done for certification according to the current IEC (2014) and DNV GL AS (2015) standards.
D. Melcher, M. Bätge, S. Neßlinger
semanticscholar +1 more source