نتایج جستجو برای: compressor blade

تعداد نتایج: 16452  

One of the most popular forming processes is the shape rolling process in which the desired shape change is achieved by pressing two rollers with a special shape in the opposite rotational direction. In order to improve the product’s quality and reduce production costs, accurate analysis of the shape rolling process of the compressor blades as well as the investigation of the effective paramete...

Journal: :Journal of physics 2023

Abstract This paper presents high-speed two wavelength interferometry for measuring fast phenomena, which allows to extend the dynamic range of measurement using different wavelengths at same time. The method was applied measure transonic airflow through a blade cascade

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 2005

Journal: :Notes on numerical fluid mechanics and multidisciplinary design 2021

The choke flutter can lead to the failure of fan or compressor blade in turbojet engines. Choke appears when a strong shock-wave chokes channel. In UHBR fan, at part speed regimes and low negative incidence. this paper, instability is analyzed based on resolution time-Linearised Reynolds-Averaged Navier-Stokes 2D extraction an Ultra High Bypass Ratio (UHBR) named ECL5v1. An analytical motion ro...

Journal: :Applied sciences 2021

Non-uniform inlet flows frequently occur in aircrafts and result chronological distortions of total temperature pressure at the engine inlet. Distorted flow operation axial compressor deteriorates aerodynamic performance, which reduces stall margin increases blade stress levels, turn causes failure. Deep learning is an efficient approach to predict catastrophic failure, its stability for better...

An experimental study of hydrodynamics of film cooling is performed by using a single longitudinal slot on a cylindrical model simulated to the leading edge of the gas turbine blade. The model is set up into the test section of an open-circuit induced flow wind tunnel which provides the main flow. The injected air, as a secondary film flow, produced from a high pressure compressor is considered...

2014
Licheng FANG Shunming LI Sai MA Jiyong LI

In order to understand the effects of the unsteady aerodynamic excitations in complex flow field on blades, on the basis of the data obtained from the single-stage axial flow compressor, three kinds of exciting forms in the compressor had been studied, including the correlation between excitations and responses in the upstream blade row wake, inlet distortion and rotating stall. Results showed ...

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