|
|
|
|
|
Yiyi Xu, Jun Zhao, Shuai Sun and Pengfei Liu
The effect of vibration and oscillation of an instrumented testing apparatus on horizontal axis tidal turbine rotor energy generation performance was examined and analyzed. Enforcement struts and an accelerometer were installed to measure and record vibr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wencong Xu, Hongyi Lu, Lei Zhao and Borui He
In recent years, with the rapid development of computer technology and artificial intelligence design technology, multiple possible design solutions can be quickly generated by transforming the experience and knowledge of structural design into computer ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Navjot Singh Sandhu, Saurabh Chanana
Pág. 289 - 316
Power production of a wind turbine is dependent upon its rotor size and at present wind turbines with large rotor diameter (>175 m) are available in the market. However major problems associated with such large size conventional turbines are their cos...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dhara P Parikh,Ashish N Jani,H. B. Bhadka
Pág. 164 - 171
The aim of this paper is to study and analyse the size of rotor of wind turbine at heights. The study analysis of relevant data at set of for different hub heights of 30 m, 40 m, 50 m, 78 m and 100 m is carried out to compute power coefficient and extrac...
ver más
|
|
|
|
|
|
|
|
|
|
|
Guofang Nan, Sirui Yang and Dengliang Yu
When the dual rotor system of the aircraft engine is operating, the mass eccentricity of the power turbine rotor and the misalignment of the shaft coupling or the bearing will cause too large vibration of the rotor; this vibration leads to the rub-impact...
ver más
|
|
|
|
|
|
|
|
|
|
|
Fabio Licheri, Tiziano Ghisu, Francesco Cambuli and Pierpaolo Puddu
An experimental investigation of the local flow field in a Wells turbine has been conducted, in order to produce a detailed analysis of the aerodynamic characteristics of the rotor and support the search for optimized solutions. The measurements were con...
ver más
|
|
|
|
|
|
|
|
|
|
|
Mario Carta, Tiziano Ghisu and Shahrokh Shahpar
Due to the increasingly high turbine inlet temperatures, heat transfer analysis is now, more than ever, a vital part of the design and optimization of high-pressure turbine rotor blades of a modern jet engine. The present study aimed to find out how shap...
ver más
|
|
|
|
|
|
|
|
|
|
|
José Ramón Serrano, Andrés Omar Tiseira, Juan Antonio López-Carrillo and Natalia Hervás-Gómez
The widespread trend of pursuing higher efficiencies in radial turbochargers led to the prompting of this work. A 3D-printed model of the static parts of a radial variable geometry turbine, the vaned nozzle, and the volute, was developed. This model was ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Daniel Duda, Tomá? Jelínek, Petr Milcák, Martin Nemec, Václav Uruba, Vitalii Yanovych and Pavel ?itek
A feasibility study of velocity field measurements using the Particle Image Velocimetry (PIV) method in an axial air turbine model is presented. The wakes past the blades of the rotor wheel were observed using the PIV technique. Data acquisition was sync...
ver más
|
|
|
|
|
|
|
|
|
|
|
Daniel Gleichauf, Michael Sorg and Andreas Fischer
The evaluation of reduced laminar flow in the boundary layer of wind turbine rotor blades in operation introduced in this work enables estimations of wind turbine efficiency loss due to negative influence on the aerodynamic properties. This leads to a mo...
ver más
|
|
|
|
|
|
|
|
|
|
|
Rafid M. Hannun, Hazim I. Radhi, Noura A. Essi
Pág. 1 - 12
Introduction: In this paper, the simulation of first stage of low pressure turbine for Nasiriya Power Plant was done to study the aerodynamic characteristic of steam along stage at load 70 MW, also the two types of mechanical stresses on the first ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yong Ma, Chao Hu, Yulong Li, Lei Li, Rui Deng and Dapeng Jiang
The goal of this manuscript is to investigate the influence of relative distance between the twin rotors on the hydrodynamic performance of the vertical axis twin-rotor tidal current turbine. Computational fluid dynamics (CFD) simulations based on commer...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yong Ma, Chao Hu, Yulong Li, Lei Li, Rui Deng and Dapeng Jiang
|
|
|
|
|
|
|
|
|
|
|
Damarla Kiran Prasad, Kavuluri Venkata Ramana, Nalluri Mohan Rao
Pág. 203 - 208
This paper presents analysis of stress intensity factors at blade mounting locations of steam turbine rotor system. General expressions for the stresses induced in a rotating disc are derived and these equations are applied to steam turbine rotor disc. I...
ver más
|
|
|
|
|
|
|
|
|
|
|
Behnam Moghadassian, Aaron Rosenberg and Anupam Sharma
The objective of this paper is to numerically investigate the effects of the atmospheric boundary layer on the aerodynamic performance and loads of a novel dual-rotor wind turbine (DRWT). Large eddy simulations are carried out with the turbines operating...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ferenc Szlivka, Csaba Hetyei, Gusztáv Fekete and Ildikó Molnár
Nowadays, there are numerous new features available in CFD (computational fluid dynamics) that can simulate complex physical phenomena, which used to be challenging to address. However, in current CFD software, certain problems can be simulated using dif...
ver más
|
|
|
|
|
|
|
|
|
|
|
Muyu Zhao, Ying Chen and Jin Jiang
The study of hydrodynamic characteristics of floating double-rotor horizontal axis tidal current turbines (FDHATTs) is of great significance for the development of tidal current energy. In this paper, the effect of roll motion on a FDHATT is investigated...
ver más
|
|
|
|
|
|
|
|
|
|
|
Giovanna Barigozzi, Hamed Abdeh, Samaneh Rouina and Nicoletta Franchina
Design of cooling systems for rotor platforms is critical due to the complex flow field and heat transfer phenomena related to the secondary flow structures originating at the blade leading edge. Horseshoe vortex and passage vortex are the fluid-dynamic ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zainab Riyadh Shaker Al-Yasiri, Hayder Majid Mutashar, Klaus Gürlebeck and Tom Lahmer
One of the most important renewable energy technologies used nowadays are wind power turbines. In this paper, we are interested in identifying the operating status of wind turbines, especially rotor blades, by means of multiphysical models. It is a state...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shucong Liu, Hongjun Wang and Xiang Zhang
In gas turbine rotor systems, an intelligent data-driven fault diagnosis method is an important means to monitor the health status of the gas turbine, and it is necessary to obtain sufficient fault data to train the intelligent diagnosis model. In the ac...
ver más
|
|
|
|
|
|