Results 11 to 20 of about 52,061 (309)

Optimization Design of Aspect Ratio and Solidity of a Heavy-Duty Gas Turbine Transonic Compressor Rotor

Machines, 2023
To investigate the influence of blade aspect ratio and solidity on the performance of heavy-duty gas turbine transonic compressors, a multi-objective optimization design platform was built by adopting the blade parameterization method based on the ...
Shuaipeng Liu, Shaojuan Geng, Xinlong Li, Yun Jin, Hongwu Zhang   +4 more
doaj   +1 more source

A Novel Integrated Control Method for an Aero-Derivative Gas Turbine of Power Generation

Machines, 2022
On account of the complexity of aero-derivative gas turbines and the much higher control requirements, it is significant and meaningful to design advanced controllers for obtaining the ideal control effect.
Senchuang Guo, Ai He, Bo Xiao, Peijun Liu, Zinan Wang   +4 more
doaj   +1 more source

Application requirements and challenges of CMC-SiC composites on aero-engine

Cailiao gongcheng, 2019
With the increase of the thrust-weight ratio of the aero-engine, CMC-SiC composites with low density, high strength and toughness, high thermal stability, long lifetime, good ablation resistance and oxidation resistance need to be developed to meet the ...
LIU Qiao-mu, HUANG Shun-zhou, HE Ai-jie
doaj   +1 more source

Experimental and Numerical Investigations on the Dynamic Response of Blades with Dual Friction Dampers

Aerospace, 2023
Friction dampers are widely employed to reduce blade resonance vibration amplitude in turbomachinery. In this paper, a study was performed on the forced response of two blades with dual friction dampers. Numerical simulation and experimental testing were
Jixin Man, Beirao Xue, Xiangde Bian, Wengao Yan, Da Qiao, Wu Zeng   +5 more
doaj   +1 more source

Design Optimization of 1.5-Stage Transonic Compressor Based on BPNN Surrogate Model and NSGA-II

Machines, 2023
To achieve multi-objective aerodynamics design optimization for a 1.5-stage transonic compressor, a design platform incorporating blade parameterization methods, a BPNN surrogate model, and the NSGA-II optimization method was developed. The stagger angle
Xinlong Li, Yun Jin, Shuaipeng Liu, Shaojuan Geng, Xiaoyu Zhang, Hongwu Zhang   +5 more
doaj   +1 more source

A New Thermal Elasto-Hydrodynamic Lubrication Solver Implementation in OpenFOAM

Lubricants, 2023
Designing effective thermal management systems within transmission systems requires simulations to consider the contributions from phenomena such as hydrodynamic lubrication regions.
James Layton, Benjamin C. Rothwell, Stephen Ambrose, Carol Eastwick, Humberto Medina, Neville Rebelo   +5 more
doaj   +1 more source

Effect of rejuvenation heat treatment on re-service aging stability of γ′phase in directionally solidified superalloy

Journal of Aeronautical Materials, 2021
High temperature aging treatment was first conducted on the rejuvenated directionally solidified superalloy to simulate the re-service aging damage of turbine blades and the virgin directionally solidified superalloy respectively.
TANG Wenshu, XIAO Junfeng, NAN Qing, GAO Sifeng, LI Yongjun, ZHANG Jiong   +5 more
doaj   +1 more source

Influence of Wake Sweeping Frequency on the Unsteady Flow Characteristics of an Integrated Aggressive Interturbine Duct

Applied Sciences, 2022
A dynamic simulation was launched to research the influence of high-pressure turbine (HPT) rotor wake passing frequency on the flow mechanism in an integrated aggressive interturbine duct (AITD).
Zhijun Lei, Shuang Sun, Gang Li, Hongrui Liu, Xiaoqing Ouyang, Yanfeng Zhang, Xingen Lu, Gang Xu, Junqiang Zhu   +8 more
doaj   +1 more source

Research Progress in Environmental Barrier Coatings of SiC Ceramic Matrix Composites

Cailiao gongcheng, 2018
SiC matrix ceramic composites (CMC-SiC) are considered as the potential primary structural materials in advanced gas turbines because of their low density, good oxidation resistance and high-temperature strength.
LIU Qiao-mu, HUANG Shun-zhou, HE Ai-jie
doaj   +1 more source

Strain hardening exponents and strength coefficients for aeroengine isotropic metallic materials – a reverse engineering approach

Journal of the Mechanical Behavior of Materials, 2014
The strain hardening exponent and strength coefficient of the Ramberg-Osgood flow rule are required for the accurate design analysis of the materials of aeroengine components.
Rajendran R., Venkateshwarlu M., Petley Vijay, Verma Shweta   +3 more
doaj   +1 more source