• 전술급 무인기 프로펠러의 형상변화에 따른 소음 수준 특성

  http://journal.ksnve.or.kr/xml/21965/21965.pdf

• 프로펠러 소음 : 원리, 해석 및 저감 기술 https://www.dbpia.co.kr/journal/articleDetail?nodeId=NODE01098622

• Blue Edge Double Swept Wing

  • Swept Propellers reduce noise(?)
  • https://koreascience.kr/article/CFKO201318139807894.pdf
  • Active Swept Propeller design
    • Change configuration to minimize noise at low altitude, maximize performance at high altitudes (away from people)

• Toroidal Propellers

  • https://newatlas.com/aircraft/toroidal-quiet-propellers/

• Noise Reduction in Propeller Fans Using Porous Blades at Free‐Flow Conditions

  • https://doi.org/10.1121/1.1912815

Analysis

• Ansys

3D Printing Props

Considerations:

1. Slicing (GCode creation)

Structure as a feature

ex: double wing design (boeing)