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Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive ManufacturingStators with non-uniform vane spacing (NUVS) have been sought as an effective way to reduce the rotor forced response at certain resonance crossing of concern.
Yujun Leng +2 more
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Unsteady Kinematics of Multistage Axial Compressor Shrouded Cavity Flows
, 2020 An experimental investigation has been performed in a low-speed shrouded multistage axial compressor to investigate the impact of mainstream flow on unsteady shrouded cavity flow.
Jaehyoung Lee +6 more
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Large eddy simulation of flows in industrial compressors: a path from 2015 to 2035. [PDF]
Philos Trans A Math Phys Eng Sci, 2014 A better understanding of turbulent unsteady flows is a necessary step towards a breakthrough in the design of modern compressors. Due to high Reynolds numbers and very complex geometry, the flow that develops in such industrial machines is extremely ...
Gourdain N +3 more
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Mechanics & Industry, 2019 Stage stacking methods commonly use a one-dimensional (1D) through flow analysis at the mean line to design individual axial compressor stages and stack these to form a multistage axial compressor.
Fu Hai Alan Koh, E. Y. K. Ng
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End-to-end design of multistage high-pressure axial compressor for a promising aviation gas turbine engine [PDF]
Journal of Physics: Conference SeriesThe paper describes the results of an end-to-end design of a multistage high-pressure axial compressor for a promising aircraft engine. The design included the steps of initial design and detailed fine-tuning of the working process using three ...
Evgeny S. Goryachkin, I. Kudryashov
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Surging Limits of Multistage Axial-Flow Compressors.
TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 1992 Yoshimi Nishihara
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Poster: Boundary Layer Separations in a Multistage Axial Compressor [PDF]
67th Annual Meeting of the APS Division of Fluid Dynamics - Gallery of Fluid Motion, 2014 Natalie R. Smith, Nicole L. Key
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Impact Investigation of Stator Seal Leakage on Aerodynamic Performance of Multistage Compressor
Frontiers in Energy Research, 2021 In this paper, a numerical model based on the mass flow rate of seal leakage is presented, and a 3D numerical method of a multistage axial compressor with good engineering practicability is established.
Qi Wang +7 more
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The Investigation of the Stability for Multistage Axial Compressors [PDF]
Volume 1: Aircraft Engine; Turbomachinery, 1985 The “actuator-delay-volume” is used as a physical model for stages of compressors instead of “actuator-lumped volume” model to predict the stability of multistage compressors. The stall line of a multistage compressor is predicted with these two models respectively.
Wenlan Li, Diyi Tang, Mengzi Cong
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A throughflow-based optimization method for multi-stage axial compressor
AIP Advances, 2021 A multi-objective optimization tool for multi-stage axial compressors is developed based on an automatically calibrated throughflow method. The Euler-based throughflow equations with blade force terms are solved using a time-marching finite volume method
Cancan Li, Jiaqi Luo, Zuoli Xiao
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