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Hara, Yutaka,Kogo, Shohei,Takagaki, Katsuhiro,Kawanishi, Makoto,Sumi, Takahiro,Yoshida, Shigeo Korean Society for Fluid machinery 2017 International journal of fluid machinery and syste Vol.10 No.1
An objective of this study is to demonstrate the validity of using a small wind turbine to recover the fluid energy flowing out of an exhaust duct for the generation of power. In these experiments, a butterfly wind turbine of a vertical axis type (D = 0.4 m) is used. The output performance is measured at various locations relative to the exit of a small wind tunnel (W = 0.65 m), representing the performance expected in an exhaust duct flow. Two-dimensional numerical analysis qualitatively agrees with the experimental results for the wind turbine power coefficient and rate of energy recovery. When the turbine is far from the duct exit (more than 2.5 D), an energy recovery rate of approximately 1.3% is obtained.
Yutaka Hara,Shohei Kogo,Katsuhiro Takagaki,Makoto Kawanishi,Takahiro Sumi,Shigeo Yoshida 한국유체기계학회 2017 International journal of fluid machinery and syste Vol.10 No.1
An objective of this study is to demonstrate the validity of using a small wind turbine to recover the fluid energy flowing out of an exhaust duct for the generation of power. In these experiments, a butterfly wind turbine of a vertical axis type (D = 0.4 m) is used. The output performance is measured at various locations relative to the exit of a small wind tunnel (W = 0.65 m), representing the performance expected in an exhaust duct flow. Two-dimensional numerical analysis qualitatively agrees with the experimental results for the wind turbine power coefficient and rate of energy recovery. When the turbine is far from the duct exit (more than 2.5 D), an energy recovery rate of approximately 1.3% is obtained.