Research article

Design considerations of wind funnel concentrator for low wind speed regions

  • Received: 08 September 2019 Accepted: 05 November 2019 Published: 12 November 2019
  • Wind Funnel Concentrator System captures wind flow from any direction, funnels it down using tapered pipes leading to a concentrator that ends in Venturi section where the turbine should be placed. This Wind Concentrator system is called INVELOX machine. Parametric design analysis is carried out to obtain the optimum design parameters of the Wind Concentrator to maximize the wind speed at the venturi section. The parameters considered are the intake shape and size, guided vanes number and their length, elbow size, venturi length, and wind direction. The design and simulation is carried out using ANSYS software package. Results show that the intake area is directly proportional to venturi air speed, and is inversely proportional to the size of the venturi cross sectional area as well as the venturi cross section length. The highest venturi air speed is obtained when the system body orientation is aligned with the wind direction within a tolerance of +/-45°. The best performance achieved when the final shape of Wind Concentrator has five guided vanes extended to the end of the funnel length. The Velocity of wind at the Venturi throat is found to increase by more than four times of the intake speed.

    Citation: Salih N Akour, Hani Omar Bataineh. Design considerations of wind funnel concentrator for low wind speed regions[J]. AIMS Energy, 2019, 7(6): 728-742. doi: 10.3934/energy.2019.6.728

    Related Papers:

  • Wind Funnel Concentrator System captures wind flow from any direction, funnels it down using tapered pipes leading to a concentrator that ends in Venturi section where the turbine should be placed. This Wind Concentrator system is called INVELOX machine. Parametric design analysis is carried out to obtain the optimum design parameters of the Wind Concentrator to maximize the wind speed at the venturi section. The parameters considered are the intake shape and size, guided vanes number and their length, elbow size, venturi length, and wind direction. The design and simulation is carried out using ANSYS software package. Results show that the intake area is directly proportional to venturi air speed, and is inversely proportional to the size of the venturi cross sectional area as well as the venturi cross section length. The highest venturi air speed is obtained when the system body orientation is aligned with the wind direction within a tolerance of +/-45°. The best performance achieved when the final shape of Wind Concentrator has five guided vanes extended to the end of the funnel length. The Velocity of wind at the Venturi throat is found to increase by more than four times of the intake speed.


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    [1] Allaei D, Andreopoulos Y (2014) INVELOX: Description of a new concept in wind power and its performance evaluation. Energy 69: 336-344. doi: 10.1016/j.energy.2014.03.021
    [2] Allaei D, Tarnowski D, Andreopoulos Y (2015) INVELOX with multiple wind turbine generator systems. Energy 93: 1030-1040. doi: 10.1016/j.energy.2015.09.076
    [3] Kumar NM, Subathra MSP, Cota OD (2015) Design and wind tunnel testing of funnel based wind energy harvesting system. Procedia Technol 21: 33-40. doi: 10.1016/j.protcy.2015.10.006
    [4] Anbarsooz M, Amiri M, Rashidi I (2019) A novel curtain design to enhance the aerodynamic performance of Invelox: a steady-RANS numerical simulation. Energy 168: 207-221. doi: 10.1016/j.energy.2018.11.122
    [5] Sotoudeh F, Kamali R, Mousavi SM (2019) Field tests and numerical modeling of INVELOX wind turbine application in low wind speed region. Energy 181: 745-759. doi: 10.1016/j.energy.2019.05.186
    [6] WindMan, Introduction to wind concentrators, 2019. Available from: https://wind-energy.ucoz.com/.
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  • © 2019 the Author(s), licensee AIMS Press. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0)
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