Skip to Main Content
 

Global Search Box

 
 
 
 

Files

File List


12683.pdf (3.58 MB)

ETD Abstract Container

Abstract Header

Experimental Approach to the Feasibility of an Axially-Stacked Propeller System

Nichols, Schuyler R
http://rave.ohiolink.edu/etdc/view?acc_num=ucin1415626159

Abstract Details

2014, MS, University of Cincinnati, Engineering and Applied Science: Aerospace Engineering.
The aerospace industry is experiencing an ever increasing demand for cheaper, quieter, and more efficient propulsion systems. This demand has placed much pressure on engineers to further explore the uses of existing technology to levels that in times past did not seem possible, due to limited technology capabilities. One form of research that has re-gained much attention in the past couple decades is the use of propeller driven systems. Propellers are unique in the sense that they can be manipulated in many ways to fit the needs of a certain demand. The intention of this thesis is to use an experimental approach to expand on this line of thinking in the form of a single shaft, axially stack propeller system. This experimentation is intended to explore the propulsion effects of this said system. The experiment itself was run using two common R/C aircraft propellers mounted on a single shaft that was attached to an electric motor. The axial distance between the propellers was increased at each new stage of the experiment, during which downward force was monitored and recorded at designated RPM’s of the motor. At each axial distance, as well as each RPM setting, the propellers were also adjusted to designated relative angles to one another. Overall, the experiment was broken down into three phases. The first phase used two propellers of equal diameter and pitch. The second phase used a smaller diameter propeller stacked on top of a larger diameter propeller, with each propeller having the same pitch. The third phase used a larger diameter propeller stacked on top of a smaller diameter propeller, once again with each propeller having the same pitch. For all three configurations, the relative angle between the propellers was varied from 0° to 135°, at increments of 45°. For the most part, the results of the experiment can most effectively be explained by the Actuator Disc Theory, seeing that the before mention third phase of the experiment performed the most efficiently, as opposed to the second phase, which performed the least efficiently.
Shaaban Abdallah, Ph.D. (Committee Chair)
Ephraim Gutmark, Ph.D. D.Sc. (Committee Member)
Mark Turner, Sc.D. (Committee Member)
82 p.
Aerospace Materials
Propeller

Recommended Citations

Citations

  • Nichols, S. R. (2014). Experimental Approach to the Feasibility of an Axially-Stacked Propeller System [Master's thesis, University of Cincinnati]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1415626159

    APA Style (7th edition)

  • Nichols, Schuyler. Experimental Approach to the Feasibility of an Axially-Stacked Propeller System. 2014. University of Cincinnati, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ucin1415626159.

    MLA Style (8th edition)

  • Nichols, Schuyler. "Experimental Approach to the Feasibility of an Axially-Stacked Propeller System." Master's thesis, University of Cincinnati, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1415626159

    Chicago Manual of Style (17th edition)

ucin1415626159
3,630
© 2014, all rights reserved.
This open access ETD is published by University of Cincinnati and OhioLINK.