Design and Performance Evaluation of a Propeller: Design and Performance Evaluation of a Propeller for Micro-Air Vehicle Application - Couverture souple

Venkatesh, Balaji Jayanth

 
9783847370116: Design and Performance Evaluation of a Propeller: Design and Performance Evaluation of a Propeller for Micro-Air Vehicle Application
Couverture souple
ISBN 10 : 3847370111 ISBN 13 : 9783847370116
Editeur : LAP LAMBERT Academic Publishing, 2012

Synopsis

The selection of small-diameter propellers for Micro-Air Vehicle (MAV) applications are usually carried out arbitrarily due to non-existence of performance data. The presence of vast performance data for larger propellers cannot be applied to these small-diameter propellers that operate at low Reynolds numbers, and the aerodynamic performance data at these low Reynolds numbers seldom exists. Analytical method such as momentum-blade element theory together with computational methods such as CFD can be relied upon to design and optimise the performance of propellers of any class. In the current work, the design and performance evaluation of a propeller applicable to a MAV is carried out for a given thrust of 1 N, diameter of 120 mm and speed of 10,000 rpm. The design was based on one-dimensional momentum theory. Design modifications were done by varying the blade setting angle at 75% radius to enhance the performance of the propeller. As a result, the maximum efficiency was obtained for a blade setting angle of 40°. Experimental data available in the literature were used to validate the CFD solution procedure applied to predict the performance characteristics of the propeller.

Les informations fournies dans la section « Synopsis » peuvent faire référence à une autre édition de ce titre.

Présentation de l'éditeur

The selection of small-diameter propellers for Micro-Air Vehicle (MAV) applications are usually carried out arbitrarily due to non-existence of performance data. The presence of vast performance data for larger propellers cannot be applied to these small-diameter propellers that operate at low Reynolds numbers, and the aerodynamic performance data at these low Reynolds numbers seldom exists. Analytical method such as momentum-blade element theory together with computational methods such as CFD can be relied upon to design and optimise the performance of propellers of any class. In the current work, the design and performance evaluation of a propeller applicable to a MAV is carried out for a given thrust of 1 N, diameter of 120 mm and speed of 10,000 rpm. The design was based on one-dimensional momentum theory. Design modifications were done by varying the blade setting angle at 75% radius to enhance the performance of the propeller. As a result, the maximum efficiency was obtained for a blade setting angle of 40°. Experimental data available in the literature were used to validate the CFD solution procedure applied to predict the performance characteristics of the propeller.

Biographie de l'auteur

Balaji Jayanth Venkatesh, is a Mechanical Engineer with a M.Sc [Engg.] Degree in Rotating Machinery Design from Coventry University, UK in 2008. He worked as a Thermal Analyst at the Rolls–Royce Centre based at QuEST Pvt. Ltd., Bangalore, India for over 3 years. He is currently pursuing a PhD degree in gas turbine jet noise.

Les informations fournies dans la section « A propos du livre » peuvent faire référence à une autre édition de ce titre.

Éditeur
LAP LAMBERT Academic Publishing
Date d'édition
2012
Langue
anglais
ISBN 10 
3847370111
ISBN 13 
9783847370116
Reliure
Broché
Nombre de pages
76
Coordonnées du fabricant
non disponible
Personne responsable
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