Acoustic noise emission from 15m diameter horizontal axis wind turbine generator with downwind configuration

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概要

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• Measurements on acoustic noise emission from the downwind 15 m diameter horizontal axis wind turbine generator (installed at Mechanical Engineering Laboratory under MITI's sunshine project) have been carried out for the purpose to obtain basic data necessary for a future noise reduction and assessment study. In this paper, characteristics of aerodynamic and mechanical noise of the machine in an audible frequency range are presented and a mechanism of noise sources is discussed. Further, the reference sound level and the directivity index are determined according fundamentally to the IEA Recommended Practice on acoustic noise measurements. Also the dependence of noise on wind speed and operating conditions is presented.

• 社団法人日本音響学会の論文

著者

• Kawamura Shunji

  Mechanical Engineering Laboratory

• Nii Yoshinori

  Mechanical Engineering Laboratory

• Yamane T

  Mechanical Engineering Lab. Ibaraki Jpn

• Matsumiya Hikaru

  Mechanical Engineering Laboratory,Agency of Industrial Science and Technology,Ministry of Internatio

• MIZUTANI Hachiro

  Mechanical Engineering Laboratory

• GOTANDA Tetsuro

  Mechanical Engineering Laboratory

• Ymamane Takashi

  Mechanical Engineering Laboratory, Agency of Industrial Science and Technology, Ministry of Internat

• Matsumiya H

  National Inst. Advanced Industrial Sci. And Technol. Tsukuba Jpn

• Matsumiya Hikaru

  Mechanical Engineering Laboratory

関連論文

• Identification of Nonlinear Multi-Degree-of-Freedom Systems : Identification Under Noisy Measurements
• Identification of Nonlinear Multi-Degree-of-Freedom Systems : Presentation of an Identification Technique
• Impulsive low-frequency noise generation by a 15m diameter horizontal axis wind turbine generator with downwind configuration
• Vibration Characteristics of an Experimental Wind Turbine with a 15 m Teetered Rotor
• Acoustic noise emission from 15m diameter horizontal axis wind turbine generator with downwind configuration
• The Performance of Slotted Blades in Cascade

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