Wind Energy

Online ISSN : 1884-457X
Print ISSN : 0387-6217
ISSN-L : 0387-6217

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Volume 27, Issue 2

Displaying 1-16 of 16 articles from this issue

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[title in Japanese]

[in Japanese]

2003 Volume 27 Issue 2 Pages 1
Published: 2003
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.27.2_1

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[title in Japanese]

[in Japanese]

2003 Volume 27 Issue 2 Pages 2-5
Published: 2003
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.27.2_2

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OFFSHORE WIND ENERGY IN MEDITERRANEAN AND OTHER EUROPEAN SEAS (OWEMES 2003)

[in Japanese]

2003 Volume 27 Issue 2 Pages 6-10
Published: 2003
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.27.2_6

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[title in Japanese]

[in Japanese]

2003 Volume 27 Issue 2 Pages 11-19
Published: 2003
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.27.2_11

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[title in Japanese]

[in Japanese]

2003 Volume 27 Issue 2 Pages 35-38
Published: 2003
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.27.2_35

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Analysis of wind data measured on a coastal area where the surface roughness changes

estimation of wind energy at Osaka Bay area

Hitoshi KONO, Yusuke NAGATA

2003 Volume 27 Issue 2 Pages 46-50
Published: 2003
Released on J-STAGE: May 20, 2011

DOIhttps://doi.org/10.11333/jwea1977.27.2_46

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The change of wind speed with the distance from a coastal line has been analyzed using the data measured at eight sites. These data were measured on both of a coastal area of Osaka-Bay and an island (Kansai International Airport) for a year. The result was that the wind speed changes within several hundred meters from a costal line. The wind energy on the coastal area, that is within 170 m from the coastal line, was 2.3 times as large as that of the land area that is 1km far from the coastal line. The Osaka area has been thought not to be a good place for the wind power generation, however, this analysis show s that the coastal area and the Osaka-Bay are good places for it.

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A Study for the Concentrator Augmented Wind Turbine

Yasuyuki NEMOTO, Ayumu ANZAI, Izumi USHIYAMA

2003 Volume 27 Issue 2 Pages 51-55
Published: 2003
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.27.2_51

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In order to improve the performance of wind rotors by increasing the energy density of the wind, various power augmentation systems have been studied. One of them is the concentrator (nozzle) augmentation system. However, until now, the optimum design of the concentrator has not been clarified. The purpose of this paper is to study the effect of the various concentrators and to decide its optimum design. In conclusion, the effect of power augmentation is increased in following conditions:
1. When the position of the rotor is behind the outlet of the concentrator.
2. When the outlet diameter of the concentrator is smaller than the rotor diameter.
3. When the inlet diameter is much larger than the rotor diameter.

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[title in Japanese]

[in Japanese]

2003 Volume 27 Issue 2 Pages 56-59
Published: 2003
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.27.2_56

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[title in Japanese]

[in Japanese], [in Japanese]

2003 Volume 27 Issue 2 Pages 60-62
Published: 2003
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.27.2_60

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[title in Japanese]

[in Japanese]

2003 Volume 27 Issue 2 Pages 63-65
Published: 2003
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.27.2_63

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[title in Japanese]

[in Japanese]

2003 Volume 27 Issue 2 Pages 66-69
Published: 2003
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.27.2_66

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[title in Japanese]

[in Japanese]

2003 Volume 27 Issue 2 Pages 70-76
Published: 2003
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.27.2_70

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[title in Japanese]

[in Japanese]

2003 Volume 27 Issue 2 Pages 77-82
Published: 2003
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.27.2_77

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[title in Japanese]

[in Japanese]

2003 Volume 27 Issue 2 Pages 86-91
Published: 2003
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.27.2_86

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[title in Japanese]

[in Japanese]

2003 Volume 27 Issue 2 Pages 92-94
Published: 2003
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.27.2_92

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[title in Japanese]

[in Japanese]

2003 Volume 27 Issue 2 Pages 95-98
Published: 2003
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.27.2_95

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