Propeller blade stress estimates using lifting line theory

Author(s)
Epps, Brenden P.; Ketcham, Jerod W.; Chryssostomidis, Chryssostomos
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Abstract
OpenProp, an open-source computational tool for the design and analysis of propellers and horizontal-axis turbines, is extended to provide estimates of normal stresses in the blades for both on- and off-design operating conditions. The numerical model is based on propeller lifting theory, and the present implementation of the code includes an analysis capability to estimate the off-design performance of the propeller or turbine and to make blade stress predictions. As an example, we present the design and performance of a two-bladed propeller. Experimental measurements of the propeller performance over a wide range of off-design operating conditions agree with performance predictions. Estimates of the blade stress are given for on-design and off-design operating states of the propeller.
Date issued
2010-07
URI
http://hdl.handle.net/1721.1/78622
Department
Massachusetts Institute of Technology. Department of Mechanical Engineering; Massachusetts Institute of Technology. Sea Grant College Program
Journal
Proceedings of the 2010 Conference on Grand Challenges in Modeling & Simulation, GCMS '10
Publisher
Association for Computing Machinery
Citation
Epps, Brenden, Jerod Ketcham, and Chryssostomos Chryssostomidis. "Propeller blade stress estimates using lifting line theory." Grand Challenges in Modeling & Simulation: Proceedings of the 2010 Summer Simulation Multiconference, SummerSim '10 2010, Ottawa, ON, Canada, July 11-14, 2010. Web.
Version: Author's final manuscript
ISBN
9781617387043
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