Results 21 to 30 of about 121,827 (324)

Modeling Design and Research of Three-Dimensional Blades of 54 mm Turbodrill

open access: yesShiyou jixie, 2023
For the hydraulic loss caused by the impact of liquid to the rotor blade attributed to different circumferential velocities of liquid in cylindrical layers of the turbine rotor with different radii,a three-dimensional blade turbine was established using ...
Zhang Yuhang   +4 more
doaj  

A Review on Performance Calculation and Design Methodologies for Horizontal-Axis Wind Turbine Blades

open access: yesEnergies
The efficient, low-cost, and large-scale development and utilization of offshore wind energy resources is an inevitable trend for future growth. With the continuous increase in the scale of wind turbines and their expansion into deep-sea locations, there
Rongyu Zha   +9 more
doaj   +1 more source

Enhancing Aerodynamic Performance of Horizontal Axis Wind Turbine Blade Aerodynamic Performance Under Rough Wall Condition Using Vortex Generators

open access: yesJournal of Marine Science and Engineering
In the complex and harsh working environment of wind turbines, the horizontal axis wind turbine blade is increasingly confronted with the issue of surface roughening.
Yingjian Yang   +7 more
doaj   +1 more source

Force Measurements on a VAWT Blade in Parked Conditions

open access: yesEnergies, 2017
The forces on a turbine at extreme wind conditions when the turbine is parked is one of the most important design cases for the survivability of a turbine.
Anders Goude, Morgan Rossander
doaj   +1 more source

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

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

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

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  

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

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

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