Effect of Hollow Blades on Flow Improvement in Turbines and Large Scale Fans

Ali Najafzadeh; Ali Zare; Behzad Shahizare; S  Meysam Kosari Esfahan; Iman Asadi   and Naeim Ezzat Ahmadi

doi:10.17485/ijst/2013/v6i5.8

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Effect of Hollow Blades on Flow Improvement in Turbines and Large Scale Fans

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2013/v6i5.8

Year: 2013, Volume: 6, Issue: 5, Pages: 1-9

Original Article

Effect of Hollow Blades on Flow Improvement in Turbines and Large Scale Fans

Ali Najafzadeh^{1 *}, Ali Zare² , Behzad Shahizare³ , S. Meysam Kosari Esfahan⁴ , Iman Asadi⁵ and Naeim Ezzat Ahmadi⁶

1^{, 2, 3, 5, 6} Department of Mechanical Engineering, [email protected] , [email protected] , [email protected] , [email protected] , [email protected]
⁴ Department of Engineering, Islamic Azad University, Najafabad Branch, Iran; [email protected]
*Author For Correspondence
Ali Najafzadeh
Department of Mechanical Engineering
Email:[email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

In this paper different computational fluid dynamics (CFD) methods have been defined and modern methods are developed and compared with conventional ones. Numerical methods are used to calculate volume flow rates of turbines and axial flow fans. Validation of results with experimental data is improved significantly by using hollow blades and this will result to increased efficiency of turbines and large scale fans.
Keywords: Computational Fluid Dynamics (CFD), Axial Flow Fans, Volume Flow Rate, Hollow Blade Turbine