Investigation of Geometric Dimensions and Dust Effects on Invelo Wind Deflectors Performance

Document Type : Original Article

Authors

Department of Mechanics, Faculty of Technical Engineering, Urmia University, Urmia, Iran

Abstract

The present study simulates Invelox in a three-dimensional and stable way. The flow regime is turbulent flow and an unorganized grid with 350000 cells was utilized. This work has studied the modeling of invelox with conventional dimensions and four different sizes in the form of four modes for use in a residential building. The numerical data with an error of less than 6% are in good agreement with the available experimental and analytical data. The results show that considering the average velocity of mode 2 with a velocity of 6.54 m/s and a 5% difference from the other two modes, it can be operated in a residential building. It is worth noting that in this investigation, in addition, the effect of dust on the turbine performance was evaluated. The results represent that the oscillation frequency of the blades increases with the increase of the rotational speed. In the case of not considering dust particles on blades, this amount increases by 25%, while considering dust particles with an amount of 0.1%, it increases up to 300%, and this can cause irreparable damage to the turbine as well as the power generation system.

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Main Subjects

References

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Iranica Journal of Energy & Environment
Volume 15, Issue 1
January 2024
Pages 48-55

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