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A thrust equation treats propellers and rotors as aerodynamic cycles and calculates their thrust without resorting to the blade element method

Phillip - Burgers · Embry-Riddle Aeronautical University · 2019

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Author / responsible party
Phillip - Burgers
Publisher
Embry-Riddle Aeronautical University
Year
2019
ISSN
2374-6793
ISSN
2374-6793
Language
English
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3D Printing Technology in Aerospace Industry – A Review

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<p>The lift generated by a translating wing of known translational speed, lift coefficient and area is calculated by a simple equation. A propeller or rotor generating thrust share the same aerodynamic principles but their different kinematics cause the calculation of their thrust to be laborious. This paper derives a thrust equation from an algebraic expansion of the Prandtl’s dynamic pressure term <em>q<sub>∞</sub></em>by adding the rotational kinetic energy of a propeller or rotor to the existing translational kinetic energy term. This thrust equation can be applied directly to propellers and rotors and assumes these to operate as cycles with their available kinetic energy as input and work as output. The thrust equation is a function of the normalized thrust <em>η<sub>T</sub></em>, a nondimensional figure of merit that quantifies the ability to generate thrust and allows for a meaningful comparison with other aerodynamic systems, regardless of their kinematics.</p>

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APA 7

Burgers, P. (2019). A thrust equation treats propellers and rotors as aerodynamic cycles and calculates their thrust without resorting to the blade element method. https://doi.org/10.15394/ijaaa.2019.1427

MLA

Burgers, Phillip -. "A thrust equation treats propellers and rotors as aerodynamic cycles and calculates their thrust without resorting to the blade element method." 2019. https://doi.org/10.15394/ijaaa.2019.1427.

Chicago

Burgers, Phillip -. 2019. "A thrust equation treats propellers and rotors as aerodynamic cycles and calculates their thrust without resorting to the blade element method.". https://doi.org/10.15394/ijaaa.2019.1427.

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Burgers, P. 2019, A thrust equation treats propellers and rotors as aerodynamic cycles and calculates their thrust without resorting to the blade element method, Embry-Riddle Aeronautical University, available at: https://doi.org/10.15394/ijaaa.2019.1427 [Accessed 8 Aug. 2026].

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Title
A thrust equation treats propellers and rotors as aerodynamic cycles and calculates their thrust without resorting to the blade element method
Author / contributors
Phillip - Burgers
Publisher
Embry-Riddle Aeronautical University
Publication year
2019
ISSN
2374-6793
ISSN
2374-6793
Language
English

Subjects

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Aeronautical Vehicles; Aerodynamics and Fluid Mechanics; Propulsion and Power
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