Results 11 to 20 of about 15,235 (310)

Research Status and Development Trend of Rotating Internal Cooling Channel in Gas Turbine Blade [PDF]

open access: yes发电技术
ObjectivesThe high-efficiency internal cooling technology of turbine blade is crucial for improving the thermal efficiency of gas turbine. As an important component of the gas turbine, it is essential to conduct research on the cooling performance of ...
REN Jing, LI Xueying
doaj   +2 more sources

Modelling of Work of the Rotor-Type Blade Pump with Revolving Stator

open access: yesInternational Journal of Applied Mechanics and Engineering, 2021
In the article, the analytical dependences of modelling the cell cross-sectional area between two adjacent blades of a rotary blade pump and capacity for a pump with fixed and rotating stators are given, and analytical dependences are derived to model ...
V.T. Dmytriv   +3 more
doaj   +1 more source

Numerical Simulation of the Lightning Leader Development and Upward Leader Initiation for Rotating Wind Turbine

open access: yesMachines, 2022
Lightning accidents seriously threaten safe operation of wind turbines because the influence mechanisms of wind turbine rotation on corona and upward leader initiation are, so far, not clear.
Wanshui Yu   +3 more
doaj   +1 more source

CNN-based defect diagnosis method for rotating blades

open access: yesYou-qi chuyun, 2020
In order to solve the problem of difficult blade defect diagnosis caused by severe signal under-sampling in tiptiming technology, a defect diagnosis method for rotating blade based on convolution neural network (CNN) was proposed.In the method, the under-
Jiwang ZHANG   +3 more
doaj   +1 more source

Coupling analysis of contra-rotating fan interstage pressure pulsation and blade vibration based on wavelet reconstruction.

open access: yesPLoS ONE, 2021
In recent years, the flow characteristics research of the interstage region in counter-rotating axial fans in terms of fluid dynamics has attracted much attention.
Xinzhe Zhang   +4 more
doaj   +1 more source

On The Vibration of a Cracked Rotating Blade [PDF]

open access: yesShock and Vibration, 1998
The dynamic behavior of a rotating blade containing a transverse crack was investigated. First, the local flexibility of the cracked blade was obtained by using the method of the released energy. An energy principle, in conjunction with a weighted residual method, was then applied to yield the discrete equations of motion.
Ming-Chuan Wu, Shyh-Chin Huang
openaire   +2 more sources

Local Heat Transfer Measurements on a Rotating Flat Blade Model with a Single Film Hole [PDF]

open access: yes, 2009
An experimental study was performed to measure the heat transfer coefficient distributions on a flat blade model under rotating operating conditions. A steady-state thermochromic liquid crystal technique was employed to measure the surface temperature ...
Tao, Zhi   +8 more
core   +1 more source

Influence of design parameters on the global performances of low-speed counter-rotating axial-flow fans [PDF]

open access: yes, 2014
The present work aims at experimentally investigating the effects of some parameters on the performances of a counter-rotating stage, and on the instationary flow between the rotors.
BAKIR, Farid   +5 more
core   +1 more source

Analysis of Cavitation Instabilities in a Four-Blade Inducer [PDF]

open access: yes, 2012
The cavitating behavior of a four-blade inducer tested in the LML laboratory large test facility is considered in the present paper. Experimental investigations based on unsteady pressure measurements and records from a six-component balance mounted on ...
DAZIN, Antoine   +7 more
core   +1 more source

Literature Survey of Experiment of Vibration and Response for Rotating Blade with Dry Friction Damper

open access: yesHangkong gongcheng jinzhan, 2018
It is of important significance to study the vibration characteristics and vibration suppression technology of aero-engine rotating blades to improve the engine performance, structural integrity and working reliability.
Qin Jie, Yan Qun, Huang Wenchao
doaj   +1 more source

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