A comparative computational fluid dynamics studyv on an innovative exhaust air energy recovery wind turbine generator

Seyedsaeed Tabatabaeikia, Nik Nazri Bin Nik-Ghazali, Wen Tong Chong, Behzad Shahizare, Ahmad Fazlizan Abdullah, Alireza Esmaeilzadeh, Nima Izadyar

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Recovering energy from exhaust air systems of building cooling towers is an innovative idea. A specific wind turbine generator was designed in order to achieve this goal. This device consists of two Giromill vertical axis wind turbines (VAWT) combined with four guide vanes and two diffuser plates. It was clear from previous literatures that no comprehensive flow behavior study had been carried out on this innovative device. Therefore, the working principle of this design was simulated using the Analysis System (ANSYS) Fluent computational fluid dynamics (CFD) package and the results were compared to experimental ones. It was perceived from the results that by introducing the diffusers and then the guide vanes, the overall power output of the wind turbine was improved by approximately 5% and 34%, respectively, compared to using VAWT alone. In the case of the diffusers, the optimum angle was found to be 7°, while for guide vanes A and B, it was 70° and 60° respectively. These results were in good agreement with experimental results obtained in the previous experimental study. Overall, it can be concluded that exhaust air recovery turbines are a promising form of green technology.

Original languageEnglish
JournalEnergies
Volume9
Issue number5
DOIs
Publication statusPublished - 1 Jan 2016
Externally publishedYes

Fingerprint

Wind Turbine
Turbogenerators
Computational Fluid Dynamics
Wind turbines
Diffuser
Computational fluid dynamics
Recovery
Generator
Air
Energy
Vertical
Environmental technology
Cooling towers
Turbine
Systems Analysis
Cooling
Experimental Study
Turbines
Angle
Output

Keywords

  • Building integrated
  • Computational fluid dynamics (CFD)
  • Exhaust air recovery systems
  • Guide vane
  • Turbulence model
  • Vertical axis wind turbine

ASJC Scopus subject areas

  • Computer Science(all)
  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Energy (miscellaneous)

Cite this

Tabatabaeikia, S., Nik-Ghazali, N. N. B., Chong, W. T., Shahizare, B., Abdullah, A. F., Esmaeilzadeh, A., & Izadyar, N. (2016). A comparative computational fluid dynamics studyv on an innovative exhaust air energy recovery wind turbine generator. Energies, 9(5). https://doi.org/10.3390/en9050346

A comparative computational fluid dynamics studyv on an innovative exhaust air energy recovery wind turbine generator. / Tabatabaeikia, Seyedsaeed; Nik-Ghazali, Nik Nazri Bin; Chong, Wen Tong; Shahizare, Behzad; Abdullah, Ahmad Fazlizan; Esmaeilzadeh, Alireza; Izadyar, Nima.

In: Energies, Vol. 9, No. 5, 01.01.2016.

Research output: Contribution to journalArticle

Tabatabaeikia, S, Nik-Ghazali, NNB, Chong, WT, Shahizare, B, Abdullah, AF, Esmaeilzadeh, A & Izadyar, N 2016, 'A comparative computational fluid dynamics studyv on an innovative exhaust air energy recovery wind turbine generator', Energies, vol. 9, no. 5. https://doi.org/10.3390/en9050346
Tabatabaeikia, Seyedsaeed ; Nik-Ghazali, Nik Nazri Bin ; Chong, Wen Tong ; Shahizare, Behzad ; Abdullah, Ahmad Fazlizan ; Esmaeilzadeh, Alireza ; Izadyar, Nima. / A comparative computational fluid dynamics studyv on an innovative exhaust air energy recovery wind turbine generator. In: Energies. 2016 ; Vol. 9, No. 5.
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