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Unit information: Dynamics of Rotors in 2015/16

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Unit name Dynamics of Rotors
Unit code AENGM0004
Credit points 10
Level of study M/7
Teaching block(s) Teaching Block 1 (weeks 1 - 12)
Unit director Dr. Titurus
Open unit status Not open

AENG 21301 Vibrations 2, AENG 21100 Aerodynamics 2 for undergraduates. MSc students equivalent material to the prerequisites shown above in their first degree



School/department Department of Aerospace Engineering
Faculty Faculty of Engineering


The aim of this course is to develop an understanding of the dynamics of blades and rotors in the context of helicopter and wind turbine technologies. Students will be shown mixture of analytical, numerical and experimental methods for rotor and blade analyses. The theories developed for helicopters will be adapted to wind turbine rotors, highlighting the differences and similarities in their dynamics.

Intended learning outcomes

On successful completion of the unit the student will: - understand key terminology, parameters and operational principles used in helicopter and wind turbine rotors with particular focus on dynamics problems, - be able to formulate equations of motion of rigid and elastic rotating blades, extract essential dynamic properties and understand their significance during design, development and structural assessment, - be able to use and modify selected advanced analytical and experimental methods based on Modal Analysis to interpret and tackle dynamics and vibration problems, - be able to use the blade element theory to formulate rotor blade aeroelastic problems and appreciate corresponding changes in structural responses and stability, - understand the mechanical filtering effect in helicopter and wind turbine rotors and its influence on the structural loads and vibrations, - be able to approach and understand the importance of the current vibration and load control research efforts in helicopter and wind turbine technology sectors.

Teaching details

2 hours of lectures per week, 3 hours experimental lab, 5 hours computer lab

Assessment Details

70% for 2 hour exam paper, 30% coursework (20% report and 10% code modification)

Reading and References

Newman, S., The Foundations of Helicopter Flight, Butterworth-Heinemann, 1994; Bramwell, A.R.S., Done, G., Balmford, D., Bramwell's Helicopter Dynamics, 2nd ed., Butterworth-Heinemann, 2001; Spera, D.A., ed., Wind turbine technology: fundamental concepts of wind turbine engineering, ASME Press, 2009