Research Subcategory

Boundary-Proximity Performance

This research examines how a propeller changes once it begins operating near real surfaces rather than in open air. Ground proximity, ceiling proximity, partial surfaces, and forward flight all reshape the inflow and wake, which in turn changes thrust, power required, and overall efficiency. The work moves from classic hover-like ground effect into more realistic installed conditions, including finite plates, annular boundaries, and edgewise flight, showing that surface interaction is not a simple correction to isolated-propeller behavior but a governing part of the aerodynamics.

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Propeller Aerodynamics Near Surfaces infographic
Propeller Aerodynamics Near Surfaces
Propeller Ground Effect
Contributors

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Changes In Propeller Performance Due to Ground Proximity

Students
Citation
  • Cai, Jielong, Sidaard Gunasekaran, Anwar Ahmed, and Michael V. Ol. "Changes In Propeller Performance Due to Ground Proximity." In AIAA Scitech 2019 Forum, p. 1097. 2019. https://doi.org/10.2514/6.2019-1097

Propeller Partial Ground Effect

Students
Citation
  • Cai, Jielong, Sidaard Gunasekaran, Anwar Ahmed, and Michael V. Ol. "Propeller Partial Ground Effect." In AIAA Scitech 2020 Forum, p. 1028. 2020. https://doi.org/10.2514/6.2020-1028

Propeller Partial Ground and Ceiling Effect Prediction

Students
Citation
  • Cai, Jielong, Sidaard Gunasekaran, and Michael V. Ol. "Propeller Partial Ground and Ceiling Effect Prediction." In AIAA Scitech 2021 Forum, p. 0614. 2021. https://doi.org/10.2514/6.2021-0614

Propeller Ground Effect in Forward Flight

Students
Citation

Effect of Partial Ground and Partial Ceiling on Propeller Performance

Students
Citation
  • Cai, Jielong, Sidaard Gunasekaran, and Michael Ol. "Effect of Partial Ground and Partial Ceiling on Propeller Performance." Journal of Aircraft (2022): 1-14. https://doi.org/10.2514/1.C036974

Propeller Ground and Ceiling Effect Parametric Data

Students
Citation
  • Cai, Jielong, Sidaard Gunasekaran, Michael OL, and Anwar Ahmed. "Propeller Ground and Ceiling Effect Parametric Data." Journal of Aircraft (2020): 1-4. https://doi.org/10.2514/1.C035839

Propeller Ground and Ceiling Effect in Forward Flight

Students

Student contributors are listed where available.

Citation
  • Propeller Ground and Ceiling Effect in Forward Flight. 2022.