47   Artículos

 
en línea
Alexander Hergt, Tobias Danninger, Joachim Klinner, Sebastian Grund, Manfred Beversdorff and Christian Werner-Spatz    
In this paper, an experimental and numerical investigation of the effect of leading-edge erosion in transonic blades was performed. The measurements were carried out on a linear blade cascade in the Transonic Cascade Wind Tunnel of DLR in Cologne at two ... ver más

 
en línea
Loris Simonassi, Gustavo Lopes and Sergio Lavagnoli    
The influence of unsteady wakes incoming from the upstream stages is of high relevance in modern high-speed, low-pressure turbines (LPT) operating at transonic exit Mach numbers and low Reynolds numbers for their potential to trigger transition and influ... ver más

 
en línea
Haoguang Zhang, Hao Wang, Qi Li, Fengyu Jing and Wuli Chu    
The aim of this research was to explore the mechanisms underlying the effect of self-circulating casing treatment with different circumferential coverage ratios on the aerodynamic performance of a transonic centrifugal compressor. A three-dimensional uns... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Shenren Xu, Qian Zhang, Dingxi Wang and Xiuquan Huang    
Precise and inexpensive uncertainty quantification (UQ) is crucial for robust optimization of compressor blades and to control manufacturing tolerances. This study looks into the suitability of MC-adj-nonlinear, a nonlinear adjoint-based approach, to pre... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Filippo Merli, Nicolas Krajnc, Asim Hafizovic, Marios Patinios and Emil Göttlich    
The purpose of the paper is to characterize the aerodynamic behavior of a rotor-downstream hub cavity rim seal in a high-pressure turbine (HPT) stage. The experimental data are acquired in the Transonic Test Turbine Facility at the Graz University of Tec... ver más

 
en línea
Yi Liu, Jiang Chen, Jinxin Cheng and Hang Xiang    
The complicated flow conditions and massive design parameters bring two main difficulties to the aerodynamic optimization of axial compressors: expensive evaluations and numerous optimization variables. To address these challenges, this paper establishes... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Hengtao Shi    
This paper researches the parametric optimization of a two-stage transonic compressor having a large air bypass at partial rotating speed according to flow analysis for a turbine-based combined cycle engine (TBCC). To obtain adequate thrust, the inlet tr... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Leander Hake, Felix Reinker, Robert Wagner, Stefan aus der Wiesche and Markus Schatz    
Results from an experimental profile loss study are presented of an additive manufactured linear turbine cascade placed in the test section of a closed-loop organic vapor wind tunnel. This test facility at Muenster University of Applied Sciences allows t... ver más

 
en línea
Andrea Magrini    
Three-dimensional throughflow models represent a turbomachinery cascade via a force distribution without the need for detailed geometric modelling in the numerical solution, saving consistent computational resources. In this paper, we present the applica... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Daniel Franke, Daniel Möller, Maximilian Jüngst, Heinz-Peter Schiffer, Thomas Giersch and Bernd Becker    
This study investigates the aerodynamic and aeroelastic characteristics of a transonic axial compressor, focusing on blade count reduced rotor behavior. The analysis is based on experiments, conducted at the Transonic Compressor Darmstadt test rig at Tec... ver más

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