Off-line washing effectiveness on a multistage axial compressor [PDF]
E3S Web of Conferences, 2021 The interaction between gas turbines and airborne particles determines detrimental effects on the performance, efficiency, and reliability of the power unit.
Aldi Nicola +9 more
doaj +6 more sources
Analysis Methods for Aerodynamic Instability Detection on a Multistage Axial Compressor [PDF]
International Journal of Aerospace Engineering, 2021 In order to detect the aerodynamic instability of a multistage axial compressor more accurately and earlier, the harmonic Fourier mean amplitude analysis method and heterotopic variance analysis method are developed.
Baofeng Tu +4 more
doaj +4 more sources
Case Studies in Thermal Engineering, 2021 The compressor global geometric model including the endwall and the blade is parameterized based on a directly manipulated free-form deformation (DFFD) approach.
Hang Xiang, Jiang Chen
doaj +3 more sources
Stator re-stagger optimization in multistage axial compressor
Propulsion and Power Research, 2021 As a widely applied technique in multistage axial compressors, variable stator vanes (VSV) can flexibly rematch the blade rows to fulfil a variety of aerodynamic performance requirements, such as high efficiency and wide surge margin. The purpose of this
Jinguang Yang +4 more
doaj +4 more sources
Experimental Assessment of Fouling Effects in a Multistage Axial Compressor [PDF]
E3S Web of Conferences, 2020 The study of the adhesion of micro sized particles to gas turbine internal surfaces, commonly known as gas turbine fouling, has gained increasing attention in the last years due to its dramatic effect on machine performance and reliability.
Casari Nicola +4 more
doaj +5 more sources
Investigation of Seal Cavity Leakage Flow Effect on Multistage Axial Compressor Aerodynamic Performance with a Circumferentially Averaged Method [PDF]
Applied Sciences, 2021 The seal cavity leakage flow has a considerable impact on the performance of the aeroengine, especially on the multistage compressor. Thus, a quasi-three-dimensional simulation program named CAM is developed basing on circumferentially averaged ...
Dong Liang, Donghai Jin, Xingmin Gui
doaj +3 more sources
The Application of a Laser-Printed Miniature Five-Hole Probe in the End-Wall Flow Measurement of a Multistage Axial Compressor [PDF]
Aerospace, 2023 To make measurement of end-wall flow between blade rows in a compact multistage configuration possible, a miniature L-shaped five-hole probe was employed in this paper.
Shuai Ma, Jun Hu, Xuegao Wang, Jiajia Ji
doaj +3 more sources
Consideration of the effect of manufacturing deviations from the shape of a multistage axial compressor [PDF]
Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение"The paper presents the results of influence for manufacturing deviations from the shape of the flow part – cavities obtained during the refinement of the material part of the multistage axial compressor GTE-65.1.
A. S. Zolotukhin +2 more
doaj +4 more sources
Considerations for High-Fidelity Modeling of Unsteady Flows in a Multistage Axial Compressor
International Journal of Turbomachinery, Propulsion and PowerThis paper presents the development and validation of a high-fidelity, unsteady, computational fluid dynamics (CFD) model of the Purdue 3-Stage Axial Research Compressor. A grid convergence study assesses the spatial discretization accuracy of the single-
Douglas R. Matthews, Nicole L. Key
doaj +3 more sources
Detection of Rotor Forced Response Vibrations Using Stationary Pressure Transducers in a Multistage Axial Compressor [PDF]
International Journal of Rotating Machinery, 2015 Blade row interactions in turbomachinery can lead to blade vibrations and even high cycle fatigue. Forced response conditions occur when a forcing function (such as impingement of stator wakes) occurs at a frequency that matches the natural frequency of ...
William L. Murray, Nicole L. Key
doaj +3 more sources