Results 21 to 30 of about 7,265 (167)

Numerical Analysis of Influence of Blade Icing on Dynamic Response of Integrated Wind Turbine Structure

open access: yesShanghai Jiaotong Daxue xuebao, 2022
Based on the integrated jacket-support offshore wind turbine model of the National Renewable Energy Laboratory (NREL), the computational fluid dynamics (CFD) method is coupled with the wind turbine integrated analysis method to study the blade icing ...
CHUANG Zhenju, LI Chunzheng, LIU Shewen
doaj   +1 more source

Investigating crack formation in IN738LC Ni-based superalloy fabricated by laser powder-bed fusion process

open access: yesJournal of Materials Research and Technology
Cracking is one of the most important challenges in the laser powder-bed fusion (LPBF) processing of high-γʹ nickel-based superalloys. In this work, crack susceptibility of the IN738LC superalloy fabricated by LPBF with different volume energy densities (
M. Hafezi   +6 more
doaj   +1 more source

Computational Fluid Dynamic Analysis of a Vibrating Turbine Blade

open access: yesInternational Journal of Rotating Machinery, 2012
This study presents the numerical fluid-structure interaction (FSI) modelling of a vibrating turbine blade using the commercial software ANSYS-12.1. The study has two major aims: (i) discussion of the current state of the art of modelling FSI in gas ...
Osama N. Alshroof   +4 more
doaj   +1 more source

RESEARCH ON LOW CYCLE FATIGUE LIFE OF GAS TURBINE BLADE OF AN AERO-ENGINE

open access: yesJixie qiangdu, 2022
In view of the problem that the gas turbine blades rely more on the long-term test of the whole machine in the later stage to expose the insufficient design, this paper takes the gas turbine blades of an engine as an example to study the low cycle ...
ZHANG Di   +4 more
doaj  

Influence of blade number on performance of multistage hydraulic turbine in turbine mode

open access: yesEnergy Science & Engineering, 2022
Compared with the traditional reverse multistage pump as hydraulic turbine, hydraulic turbine in turbine mode (T‐type turbine) with low specific speed has higher single‐stage energy head, which can effectively reduce stages and increase the stability ...
Lihong Zhang   +4 more
doaj   +1 more source

Design of Archimedes Screw Turbine by Multi-step Selections on Parameter Pitch Distance, Blade Number, and Blade Angle [PDF]

open access: yesInternational Journal of Mathematical, Engineering and Management Sciences
One of the water turbines called an Archimedes screw turbine (ASTs) is appropriate to run in a low head of just less than 5 m and works at a wide range of discharge operations.
Sarjito   +5 more
doaj   +1 more source

Effect of Savonius blade height on the performance of a hybrid Darrieus-Savonius wind turbine

open access: yesJournal of Mechanical Engineering and Sciences, 2019
A vertical hybrid turbine commonly consists of a Darrieus and Savonius rotor where the Savonius is inside Darrieus turbine. This paper describes the experimental study of hybrid Darrieus-Savonius wind turbines by variation in Savonius blade height.
Dewi Puspitasari, Kaprawi Sahim
doaj   +1 more source

A study on the matching of constraint between steam turbine blade and laboratory specimens

open access: yesAdvances in Mechanical Engineering, 2020
The matching of constraint between laboratory specimens and actual cracked structures is a key problem of the accurate structure integrity assessment.
Jie Yang, Yuman Liu, Haofeng Chen
doaj   +1 more source

Data-Driven Reduced-Order Model for Efficient Temperature Prediction of Gas Turbine Blades

open access: yesShanghai Jiaotong Daxue xuebao
Turbine blades are key hot components of gas turbines, which operates in high temperature and harsh environment. Accurate and efficient prediction of turbine blade temperature field is of great significance for the safety and stability of gas turbine ...
QIAO Lijie, DONG Han, FENG Keyun, LI Zizhou, HAO Chen, WANG Weizhe, ZHAO Xinbao
doaj   +1 more source

Computational Fluid Dynamics Prediction of a Modified Savonius Wind Turbine with Novel Blade Shapes

open access: yesEnergies, 2015
The Savonius wind turbine is a type of vertical axis wind turbine (VAWTs) that is simply composed of two or three arc-type blades which can generate power even under poor wind conditions.
Wenlong Tian   +3 more
doaj   +1 more source

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