Machine learning methods in CFD for turbomachinery: A review

J Hammond, N Pepper, F Montomoli… - International Journal of …, 2022 - mdpi.com
Computational Fluid Dynamics is one of the most relied upon tools in the design and
analysis of components in turbomachines. From the propulsion fan at the inlet, through the …

A review of NDT/structural health monitoring techniques for hot gas components in gas turbines

F Mevissen, M Meo - Sensors, 2019 - mdpi.com
The need for non-destructive testing/structural health monitoring (SHM) is becoming
increasingly important for gas turbine manufacturers. Incipient cracks have to be detected …

Multi-extremum-modified response basis model for nonlinear response prediction of dynamic turbine blisk

B Keshtegar, M Bagheri, CW Fei, C Lu… - Engineering with …, 2021 - Springer
For the nonlinear dynamic analyses of complex mechanical components, it is necessary to
apply efficient modeling framework to reduce computational burden. The accurate surrogate …

Sparse representation based frequency detection and uncertainty reduction in blade tip timing measurement for multi-mode blade vibration monitoring

M Pan, Y Yang, F Guan, H Hu, H Xu - Sensors, 2017 - mdpi.com
The accurate monitoring of blade vibration under operating conditions is essential in turbo-
machinery testing. Blade tip timing (BTT) is a promising non-contact technique for the …

A review of blade tip clearance–measuring technologies for gas turbine engines

B Yu, H Ke, E Shen, T Zhang - Measurement and Control, 2020 - journals.sagepub.com
Blade tip clearance is one of the important parameters affecting the performance, safety and
stability of a gas turbine engine. However, it is difficult to measure the tip clearance in real …

Assembly research of aero-engine casing involving bolted connection based on rigid-compliant coupling assembly deviation modeling

H Kang, ZM Li - Proceedings of the Institution of Mechanical …, 2020 - journals.sagepub.com
Assembly analysis is necessary for mechanical product to optimize design and improve the
product quality since assembly deviation is the key factor affecting the assembly quality. In …

Parametric studies on modified configurations of ball-type passive balancers for improved transient and steadystate responses

AM Haidar, JL Palacios - Journal of Sound and Vibration, 2018 - Elsevier
A passive balancing device is a bearing with a set of masses that are free to move about a
shaft axis of rotation. Beyond the first critical speed of the shaft, the masses assume …

Stochastic response analysis and robust optimization of nonlinear turbofan engine system

D Zhou, D Huang - Nonlinear Dynamics, 2022 - Springer
The quantitative analysis of the uncertainty influence on thermodynamic parameters and
performance parameters is usually difficult to achieve due to the strong nonlinear working …

A novel self-adaptive, multi-peak detection algorithm for blade tip clearance measurement based on a capacitive probe

J Li, G Guo, F Duan, G Niu, X Shao… - Measurement …, 2021 - iopscience.iop.org
Peak height detection is critical for blade tip clearance (BTC) measurement based on
capacitive probes. However, the noise interference of the complicated working environments …

Experimental investigation of factors influencing operating rotor tip clearance in multistage compressors

RA Berdanier, NL Key - International Journal of Rotating …, 2015 - Wiley Online Library
An analysis of compressor rotor tip clearance measurements using capacitance probe
instrumentation is discussed for a three‐stage axial compressor. Thermal variations and …