Aircraft Propellers

Garant předmětu:

Lecturer:

Tutor:

Supervisor:

Department of Aerospace Engineering

Synopsis:

Kinematics of the flow around the propeller blade, forces and moments on the propeller blade, performance consumed by the propeller, propeller work regimes, selection of a propeller (adjustment factor), tension curve of a solid and adjustable propeller, ideal propulsor theory, impuls theory, theory of the isolated blade lement, virus theory.

Requirements:

Aerodynamics I

Syllabus of lectures:

1. Kinematics of flow propeller blade

2. The forces and moments on the propeller blade

3. Relationships for propeller thrust and performance

4. The aerodynamic characteristics of propeller

5. The aerodynamic characteristics of propeller

6. Operating modes propeller

7. Selection propeller (adaptation coefficient)

8. Thrust curves of fixed and variable pitch propeller

9. Theory of ideal of a propulser

10. Impulse theory

11. Theory of the isolated element blade

12. The vortex theory

13. The calculations of propeller characteristics

Syllabus of tutorials:

1. Fixed propeller thrust

2. Constant speed propeller thrust

3. Propeller adaptation for given aircraft

4. Momentum theory

5. Blade element theory

6. Vortex theory

7. Computation of propeller charakteristics

Study Objective:

Master the basics of aircraft propellers.

Study materials:

-Christoph B.: Propeller performance analysis and multidisciplinary optimization using a genetic algorithm, Auburn University, 2007

-Hans Reissner: Theory of propellers, Brown University.

-Delp, F.: Aircraft Propellers and Controls, IAP, 1979, SBN# 0-89100-097-6

-Wald, Q. R., The aerodynamics of propellers, Progress in Aerospace Sciences, Volume 42, Issue 2, 2006, pp. 85?128, doi:10.1016/j.paerosci.2006.04.001

-Leishman, J. G., Principles of Helicopter Aerodynamics, Cambridge Aerospace Series, 2006, ISBN: 9780521858601

Note:

Further information:

No time-table has been prepared for this course

The course is a part of the following study plans: