|
|
|
|
|
Jiale Li and Xiong (Bill) Yu
This paper describes the feasibility analysis of an innovative, extensible blade technology. The blade aims to significantly improve the energy production of a wind turbine, particularly at locations with unfavorable wind conditions. The innovative ?smar...
ver más
|
|
|
|
|
|
|
|
|
|
|
Seok-Yun Jeon, Joon-Yong Yoon and Choon-Man Jang
The newly designed impeller blade, a so-called novel ?S-shape? blade, used for microbubble pumps has been introduced to enhance pump performance. Unlike a conventional blade having separated blades, like cantilever-shape blades, the newly designed impell...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ziqian Xu, Xiaomin Liu, Yang Liu, Wanxiang Qin and Guang Xi
To improve the aerodynamic performance and reduce the noise of multi-blade centrifugal fans used in air conditioners, a bionic groove structure was introduced into the blade tip design, inspired by the drag reduction characteristics of mantis shrimp. In ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Houari Ameur, Youcef Kamla, Djamel Sahel
Pág. 312 - 319
Design of the impeller blade is a determining factor in power consumption and mixing quality, which determines consequently the cost of the mixing operation. This study explores the flow patterns and the power required for stirring a Newtonian fluid by p...
ver más
|
|
|
|
|
|
|
|
|
|
|
Budi Sugiharto,Sudjito Soeparman,Denny Widhiyanuriyawan,Slamet Wahyudi,ING Wardana
Pág. 55 - 61
Simple design Savonius vertical-axis wind turbine can generate energy at low wind speed from any direction. However, its large static torque has a low power factor. Therefore, an innovation was made by providing 16 guide vanes around the shaft outside th...
ver más
|
|
|
|
|
|
|
|
|
|
|
Takashi Ando
For engines operating using heavy fuel oil (HFO), the nozzle rings of turbocharger turbines are prone to severe degradation because of contamination with unburned fuel deposits. This contamination may lead to increased excitation of blade resonance. A pr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Guangya Zhu, Chongyu Wang, Wei Zhao, Yonghui Xie, Ding Guo and Di Zhang
The diagnosis of blade crack faults is critical to ensuring the safety of turbomachinery. Blade tip timing (BTT) is a non-contact vibration displacement measurement technique, which has been extensively studied for blade vibration condition monitoring re...
ver más
|
|
|
|
|
|
|
|
|
|
|
Nanxuan Qiao, Tielin Ma, Jingcheng Fu, Ligang Zhang, Xiangsheng Wang and Pu Xue
The rising interest in the evolvability of electric vertical takeoff and landing (eVTOL) promises substantial potential in the field of urban air mobility (UAM). Challenges in energy storage density and geometry restriction both emphasize the propeller e...
ver más
|
|
|
|
|
|
|
|
|
|
|
Gruhalakshmi Yella, Prakash Jadhav and Chhaya Lande
Bird strikes have long been a source of concern for all airlines across the world. It is the most significant design criterion for aircraft engine fan blades. As it is not practical to manufacture and test aviation engines repeatedly for minor design mod...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wenbo Shi, Heng Zhang and Yuanxiang Li
The slots on a blade tip can effectively suppress the tip vortices by diffusing the core structure of a vortex and thus mitigate the adverse impacts of vortex interactions. In this paper, the effect of a slotted tip on vortex diffusion in the hovering st...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaojie Zhang, Weiyu Chen, Dianyin Hu and Rongqiao Wang
In recent years, hollow fan blades have been widely used to meet the requirements of aeroengines for lightweight and better performance. However, the hollow fan blade will change from the manufacture shape to the operating shape with large deformations d...
ver más
|
|
|
|
|
|
|
|
|
|
|
Oana Dumitrescu, Mihnea Gall and Valeriu Dragan
Design of linear cascades for high-speed bladed machinery.
|
|
|
|
|
|
|
|
|
|
|
Abdulbasit Mohammed, Belete Sirahbizu and Hirpa G. Lemu
The wind turbine blade is an important component for harnessing wind energy. It plays a vital role in wind turbine operation. In this work, a study was conducted to investigate the dynamic behavior of an optimal rotary wind turbine blade with a bond grap...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chiara Gastaldi and Muzio M. Gola
A method called PCR (Platform Centered Reduction) is designed to more effectively perform complex iterative and nonlinear calculations required for the dynamic response of turbine blades damped by dry friction contacts between rigid dampers and airfoil-t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Rizwan Ahmed, Christian Maria Firrone and Stefano Zucca
In low pressure turbine stages, adjacent blades are coupled to each other at their tip by covers, called shrouds. Three-dimensional periodic contact forces at shrouds strongly affect the blade vibration level as energy is dissipated by friction. To valid...
ver más
|
|
|
|
|
|
|
|
|
|
|
Edward Rokicki, Radoslaw Przysowa, Jerzy Kotkowski and Pawel Majewski
Magnetic sensors are widely used in aeroengines and their health management systems, but they are rarely installed in the engine hot section due to the loss of magnetic properties by permanent magnets with increasing temperature. The paper presents and v...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dong-Kuk Choi, Bong-Do Pyeon, Soo-Yong Lee, Hak-Gu Lee and Jae-Sung Bae
Reducing the weight of a wind turbine blade is a major issue. Wind turbines have become larger in size to increase power generating efficiency. The blade has also grown in length to take more wind energy. A fabric-based wind turbine blade, introduced by ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kyoungboo Yang
For a wind turbine to extract as much energy as possible from the wind, blade geometry optimization to maximize the aerodynamic performance is important. Blade design optimization includes linearizing the blade chord and twist distribution for practical ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jonas Aust and Dirk Pons
Context?The maintenance of aero engines is intricate, time-consuming, costly and has significant functional and safety implications. Engine blades and vanes are the most rejected parts during engine maintenance. Consequently, there is an ongoing need for...
ver más
|
|
|
|
|
|
|
|
|
|
|
Rudy Soenoko,Purnami Purnami
Pág. 24 - 36
Bowl bladed kinetic turbine has a low performance. This is a simple turbine, easy to make, easy to install and inexpensive. Kinetic turbines are made specifically for rural areas which may be far from technology facilities. The reason why this kind of tu...
ver más
|
|
|
|
|
|