A novel design of nozzle-diffuser to enhance performance of INVELOX wind turbine

Hosseini, Soheil; Ganji, D.D.

doi:10.1016/j.energy.2020.117082

Cited by 21 publications

(15 citation statements)

References 23 publications

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“…Even though the INVELOX system is categorized under ducted turbines, some apparent dissimilarities make it more economically practical [46]. Decoupling of the turbine and the intake implies that the size of the intake can be altered while maintaining a small turbine, installed at the ground level, rated based on the required speed ratio and the environmental conditions [47,48].…”

Section: Invelox Wind Systemmentioning

confidence: 99%

Techno-Economic Assessment for Installation of INVELOX Wind Turbines in Northern Iran

Taheri¹,

Taheri²

2021

Applied Engineering Letters

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This paper aims to provide a comprehensive feasibility study for the installation of a 100 MW wind power plant using the INVELOX system in Manjil, Gilan, in Northern Iran. In the first part of the paper, we provide a review of the status of wind energy installation in Iran. We then review the mathematical equations involved in wind power calculations. Afterwards, with the environmental data gathered from the corresponding authorities and open-access sources, we analyzed the INVELOX system with its benefits and drawbacks. Then, based on the derived mathematical formulations, and using simulation software packages, the average wind power density is calculated, and the turbine system is designed accordingly. Finally, the economic profitability of this project was examined using a mathematical economic analysis and the COMFAR software package. In addition to the detailed feasibility study of this specific project, this article aims to provide a comprehensive literature review of the INVELOX system.

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Section: Invelox Wind Systemmentioning

confidence: 99%

Techno-Economic Assessment for Installation of INVELOX Wind Turbines in Northern Iran

Taheri¹,

Taheri²

2021

Applied Engineering Letters

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“…In the INVELOX duct, the nozzle length and the diameter ratio increase the airflow until reaching an optimal point. Once the optimal point is attained, the airflow starts decaying 9 . Using the proposed nozzle design considerably increased the mass flow rate in front of the turbine 9 …”

Section: Introductionmentioning

confidence: 99%

“…Once the optimal point is attained, the airflow starts decaying 9 . Using the proposed nozzle design considerably increased the mass flow rate in front of the turbine 9 …”

Section: Introductionmentioning

confidence: 99%

“…8 Upgrading the INVELOX wind turbine by designing a nozzle at the inlet of the INVELOX duct to study the optimum design for the duct has been proposed in Ref. 9. In the INVELOX duct, the nozzle length and the diameter ratio increase the airflow until reaching an optimal point.…”

Section: Introductionmentioning

confidence: 99%

“…Once the optimal point is attained, the airflow starts decaying. 9 Using the proposed nozzle design considerably increased the mass flow rate in front of the turbine. 9 Moreover, the effect of attaching a cylindrical duct behind the nozzle was experimentally tested in Ref.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Augmented wind turbine performance using a novel annular circumferential duct design

Dawahdeh

Al‐Nimr

2022

Intl J of Energy Research

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Summary The use of different duct designs, aiming at increasing the wind speed and improving the performance of the wind turbine in low wind speed situations, has become of paramount significance over the past decades. In this research, the authors proposed a model to inspect the effect of increasing the suction behind the turbine using suction holes and increasing the air speed in front of the wind turbine using a conversion duct. A validated CFD model with multiple reference frame (MRF) approaches has been used to study four different configurations for a novel design for two circumferential converging ducts with suction holes at the inner duct to increase the extracted power from low‐speed air. The study tested ducts' dimensions in addition to the configurations and size of the suction holes at different tip speed ratios. Adding a baffle in front of the suction holes notably improves the duct's performance. The tested configurations for the proposed wind duct design with six suction holes resulted in a relative improvement in the Cp by 18.42% compared with the open wind turbine.

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Experimental and Numerical Analysis of Building-Mounted INVELOX Wind Turbines

Aravindhan,

Natarajan,

Ponnuvel

et al. 2023

Iran J Sci Technol Trans Mech Eng

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A novel design of nozzle-diffuser to enhance performance of INVELOX wind turbine

Cited by 21 publications

References 23 publications

Techno-Economic Assessment for Installation of INVELOX Wind Turbines in Northern Iran

Techno-Economic Assessment for Installation of INVELOX Wind Turbines in Northern Iran

Augmented wind turbine performance using a novel annular circumferential duct design

Experimental and Numerical Analysis of Building-Mounted INVELOX Wind Turbines

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