Experimental study of turbulence intensity influence on wind turbine performance and wake recovery in a low-speed wind tunnel

2017 ◽  
Vol 109 ◽  
pp. 363-371 ◽  
Author(s):  
Miguel Talavera ◽  
Fangjun Shu
Keyword(s):  
Experimental Study ◽  
Wind Tunnel ◽  
Wind Turbine ◽  
Turbulence Intensity ◽  
Low Speed ◽  
Turbine Performance ◽  
Low Speed Wind Tunnel

scholarly journals Experimental Study of Vertical Axis Wind Turbine Performance under Vibration

2021 ◽  
Vol 1 (2) ◽  
pp. 177-185
Author(s):  
Md Rasel Sarkar ◽  
Sabariah Julai ◽  
Mst Jesmin Nahar ◽  
Moslem Uddin ◽  
Mahmudur Rahman ◽  
...  
Keyword(s):  
Power Generation ◽  
Experimental Study ◽  
Wind Tunnel ◽  
Wind Turbine ◽  
Dynamic Characteristics ◽  
Vertical Axis ◽  
Vertical Axis Wind Turbine ◽  
Flow Uniformity ◽  
Aerodynamic Forces ◽  
Turbine Performance

An experimental study was conducted to study the effects of flow uniformity on vibration and power generation of a small vertical axis wind turbine (VAWT). Previous studies have confirmed that one of the sources of vibration in the turbine is due to aerodynamic forces, which are due to incident wind. Firstly, understanding vibration is essential before proceeding to the measurements. In this experiment, further understand the vibrations of the turbine in operation, the operating deflection shape (ODS) technique was used. A wind tunnel and flow conditioner were fabricated. Experimental modal analysis (EMA) was conducted, and the dynamic characteristics are gathered. The ODS was conducted for operating the turbine at different speeds, with and without the flow conditioner. Results from EMA and ODS are correlated to explain the behavior of structures. In conclusion, the flow conditioner tested did have a big impact on the response of the structure in terms of vibration up to 30% indifference, but not so much in power generated about 2% indifference.

scholarly journals An Experimental Study of Test Section Velocity Calibration for Low-Speed Wind Tunnel

2012 ◽  
Vol 40 (3) ◽  
pp. 230-236 ◽  
Author(s):  
Se-Yoon Oh ◽  
Jong-Geon Lee ◽  
Sung-Cheol Kim ◽  
Sang-Ho Kim ◽  
Seung-Ki Ahn
Keyword(s):  
Experimental Study ◽  
Wind Tunnel ◽  
Test Section ◽  
Low Speed ◽  
Velocity Calibration ◽  
Low Speed Wind Tunnel

scholarly journals Performance analysis of a horizontal axis wind turbine

2020 ◽  
Vol 313 ◽  
pp. 00052
Author(s):  
Dalibor Rozehnal ◽  
Jakub Hnidka
Keyword(s):  
Performance Analysis ◽  
Wind Tunnel ◽  
Wind Turbine ◽  
Horizontal Axis ◽  
Test Bed ◽  
Horizontal Axis Wind Turbine ◽  
Guide Vanes ◽  
Low Speed ◽  
Radial Turbine ◽  
Low Speed Wind Tunnel

This paper presents a performance analysis of a horizontal axis wind turbine with an atypical design. The performance analysis was performed by a measurement in a low-speed wind tunnel. The atypical design of the horizontal axis wind turbine mimics the design of a radial turbine. The wind turbine was, however, simplified by “removing” the conventional stationary parts of the radial turbine, such as portion of the case or guide vanes. The paper describes the measurement test bed and compares the performance of this atypical wind turbine with more conventional designs.

Experimental Study of Slat Noise from 30P30N Three-Element High-Lift Airfoil in JAXA Kevlar-Wall Low-Speed Wind Tunnel

2018 ◽  
Author(s):  
Mitsuhiro Murayama ◽  
Yuzuru Yokokawa ◽  
Hiroki Ura ◽  
Kazuyuki Nakakita ◽  
Kazuomi Yamamoto ◽  
...  
Keyword(s):  
Experimental Study ◽  
Wind Tunnel ◽  
High Lift ◽  
Low Speed ◽  
Slat Noise ◽  
Low Speed Wind Tunnel

Design and Construction of a Low Speed Wind Tunnel

2016 ◽  
Author(s):  
Odenir de Almeida ◽  
FREDERICO CARNEVALLI DE MIRANDA ◽  
Olivio Neto ◽  
Fernanda Guimarães Saad
Keyword(s):  
Wind Tunnel ◽  
Low Speed ◽  
Low Speed Wind Tunnel ◽  
Design And Construction
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