Wind Energy

Wind Energy

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

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Volume 29, Issue 4

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 4 Pages 3-4
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_3

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 4 Pages 5-13
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_5

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[title in Japanese]

[in Japanese], [in Japanese]

2005 Volume 29 Issue 4 Pages 14-17
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_14

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 4 Pages 18-21
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_18

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 4 Pages 22-25
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_22

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 4 Pages 26-28
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_26

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 4 Pages 29-30
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_29

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 4 Pages 31-34
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_31

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 4 Pages 35-38
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_35

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 4 Pages 39-42
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_39

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 4 Pages 43-47
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_43

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 4 Pages 52-55
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_52

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 4 Pages 56-66
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_56

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[title in Japanese]

Hideki KATO, Shigeki AMAKASU, Keisuke KATO, Toru NAKAO, Katsuhiro MATS ...

2005 Volume 29 Issue 4 Pages 67-75
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_67

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 4 Pages 76-82
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_76

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[title in Japanese]

[in Japanese], [in Japanese]

2005 Volume 29 Issue 4 Pages 83-88
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_83

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Estimation and Verification of Annual Mean Wind Speed by LAWEPS and Mini Doppler Sodar

[in Japanese], [in Japanese], [in Japanese], [in Japanese]

2005 Volume 29 Issue 4 Pages 102-105
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_102

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A Study of Yaw Behavior for a Horizontal-axis Small Wind Turbine

Verification of Maximum Yaw Angular Velocity

Hideki TOKUYAMA, Yoshifumi NISHIZAWA, Izumi USHIYAMA

2005 Volume 29 Issue 4 Pages 106-111
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_106

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This paper reports the experimental study for the passive yaw behavior of horizontal axis small wind turbines.
A velocity of yaw angle in small wind turbine is given as a design value in HS C 1400-2, in which themaximum velocity of yaw angle is prescribed as lrad/s.However, in case of small wind turbines of less than adiameter of 2m, the yaw angular velocity has possibilities larger than l rad/s. Until now, on this connection, therehad been no report on systematic experiments concerning about these design values.
Therefore to clarify a design value of passive yaw for small wind turbines, the authors conducted a theoreticalestimation as well as a wind tunnel test.The model of wind turbine tested is a diameter of im, blade number of 5, solidity of 0.26 and 2 type tail fins (large and small).We evaluate the yaw behavior for changing number of rotorrevolution, area of tail fin and wind speeds.
The yaw angular velocity becomes larger with increase of wind velocity and area of tail fin.The larger therotor revolution, the smaller becomes the tendency.Furthermore, the maximum yaw angular velocity became3.84rad/s which exceeds the conventional design value of 1 rad/s at the wind speed 10m/s.

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A Study of Summary Condition Diagnosis based on Wavelet Transform For a Small-Scaled Windmill

T. TOUMIYA, T. TANAKA, K. FUJIMOTO, J. FUKUMI, T. HARA

2005 Volume 29 Issue 4 Pages 112-115
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_112

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[title in Japanese]

[in Japanese], [in Japanese]

2005 Volume 29 Issue 4 Pages 116-121
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_116

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[title in Japanese]

[in Japanese]

2005 Volume 29 Issue 4 Pages 122-125
Published: 2005
Released on J-STAGE: January 27, 2011

DOIhttps://doi.org/10.11333/jwea1977.29.4_122

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