Turbomachinery noise predictions: present and future
S Moreau - Acoustics, 2019 - mdpi.com
In future Ultra-High By-Pass Ratio turboengines, the turbomachinery noise (fan and turbine
stages mainly) is expected to increase significantly. A review of analytical models and …
stages mainly) is expected to increase significantly. A review of analytical models and …
Turbomachinery Noise Review
S Moreau, M Roger - … Journal of Turbomachinery, Propulsion and Power, 2024 - mdpi.com
The present paper is aimed at providing an updated review of prediction methods for the
aerodynamic noise of ducted rotor–stator stages. Indeed, ducted rotating-blade technologies …
aerodynamic noise of ducted rotor–stator stages. Indeed, ducted rotating-blade technologies …
A harmonic balance technique for multistage turbomachinery applications
C Frey, G Ashcroft, HP Kersken… - … Expo: Power for …, 2014 - asmedigitalcollection.asme.org
This article describes a nonlinear frequency domain method for the simulation of unsteady
blade row interaction problems across several blade rows in turbomachinery. The capability …
blade row interaction problems across several blade rows in turbomachinery. The capability …
[HTML][HTML] Adjoint-based fluid dynamic design optimization in quasi-periodic unsteady flow problems using a harmonic balance method
Shape optimization in unsteady flow problems enables the consideration of dynamic effects
on design. The ability to treat unsteady effects is attractive, as it can provide performance …
on design. The ability to treat unsteady effects is attractive, as it can provide performance …
Numerical calculation of energy and exergy flows of a turboshaft engine for power generation and helicopter applications
Ö Turan, H Aydın - Energy, 2016 - Elsevier
Fuel efficiency of aircraft and helicopter becomes greater concern in recent years caused by
rising fuel costs and as well as environmental impact of aviation emissions. Modern …
rising fuel costs and as well as environmental impact of aviation emissions. Modern …
A complete rotor–stator coupling method for frequency domain analysis of turbomachinery unsteady flow
D Wang, X Huang - Aerospace Science and Technology, 2017 - Elsevier
The paper presents a rotor–stator coupling method for analyzing unsteady flow field within
multi-blade-row turbomachines using a frequency domain method. The coupling method is …
multi-blade-row turbomachines using a frequency domain method. The coupling method is …
Simulation of transonic buffet using a time-spectral method
F Plante, É Laurendeau - AIAA Journal, 2019 - arc.aiaa.org
This paper extends the use of frequency-domain flow solvers to transonic buffet in turbulent
flow regime. To do so, a time-spectral method with frequency adaptation is developed for the …
flow regime. To do so, a time-spectral method with frequency adaptation is developed for the …
A new harmonic balance approach using multidimensional time
L Junge, C Frey, G Ashcroft… - … of Engineering for …, 2021 - asmedigitalcollection.asme.org
Over the past years, nonlinear frequency-domain methods have become a state-of-the-art
technique for the numerical simulation of unsteady flow fields within multistage …
technique for the numerical simulation of unsteady flow fields within multistage …
Simulation of indexing and clocking with harmonic balance
C Frey, G Ashcroft, HP Kersken, D Schönweitz… - International Journal of …, 2017 - mdpi.com
The aim of this paper is to demonstrate how the harmonic balance method can be used to
predict rotor–rotor and stator–stator interactions in turbomachinery. These interactions occur …
predict rotor–rotor and stator–stator interactions in turbomachinery. These interactions occur …
Solution stabilization and convergence acceleration for the harmonic balance equation system
DX Wang, X Huang - Journal of Engineering for Gas …, 2017 - asmedigitalcollection.asme.org
This paper presents an efficient approach for stabilizing solution and accelerating
convergence of a harmonic balance equation system for an efficient analysis of …
convergence of a harmonic balance equation system for an efficient analysis of …