Results 21 to 30 of about 329,133 (262)

Experimental study of small hydro turbine propeller performance with a variety of blade angles of attack

open access: yesJurnal Ilmiah SINERGI, 2022
The availability of non-renewable energy has recently been running low and so impacts electrical energy. Renewable energy is converted from natural sources to kinetic energy.
Zain Lillahulhaq   +4 more
doaj   +1 more source

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

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  

Designing a Turbine Blade Cooling System Using a Generalised Regression Genetic Algorithm [PDF]

open access: yes, 2003
The design of a turbine blade cooling system is a multi-objective optimisation problem involving constraints and complex interaction among its design variables.
Tiwari, Ashutosh   +2 more
core   +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

Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying

open access: yesAdvanced Engineering Materials, EarlyView.
An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara   +8 more
wiley   +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  

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