Helicopter Dynamics detail syllabus for Aeronautical Engineering (Aero), 2017 scheme is taken from VTU official website and presented for VTU students. The course code (17AE743), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below.
For all other aero 7th sem syllabus for be 2017 scheme vtu you can visit Aero 7th Sem syllabus for BE 2017 Scheme VTU Subjects. For all other Professional Elective-3 subjects do refer to Professional Elective-3. The detail syllabus for helicopter dynamics is as follows.
Course Objectives:
This course will enable students to
- Comprehend the basic concepts of helicopter dynamics.
- Acquire the knowledge of critical speed and rotor bearing system.
- Understand the turborotor system and blade vibration.
Module 1
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Module 2
Basic Helicopter Performance: Forces acting on helicopters in forward flight. Methods of achieving translatory flight. Controlling cyclic pitch: Swash-plate system. Lateral tilt with and without conning. Lateral and longitudinal asymmetry of lift in forward flight. Forward flight performance- total power required, effects of gross weight, effect of density altitude. Speed for minimum power, and speed for maximum range. Factors affecting forward speed, and ground effects.
Module 3
Rotor Airfoil Aerodynamics: Rotor airfoil requirements, effects of Reynolds number and Mach number. Airfoil shape definition, Airfoil pressure distribution. Pitching moment. Maximum lift and stall characteristics, high angle of attack range. Rotor Wakes and Blade Tip Vortices: Flow visualization techniques, Characteristics of rotor wake in hover, and forward flight. Other characteristics of rotor wake.
Module 4
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Module 5
Standards, and Specifications: Scope of requirements. General and operational requirements. Military derivatives of civil rotorcraft. Structural strength and design for operation on specified surfaces. Rotorcraft vibration classification. Conceptual Design of Helicopters: Overall design requirements. Design of main rotors-rotor diameter, tip speed, rotor solidity, blade twist and aerofoil selection, Fuselage design, Empennage design, Design of tail rotors, High speed rotorcraft.
Course Outcomes:
After studying this course, students will be able to:
- Apply the basic concepts of helicopter dynamics.
- Compute the critical speed by using various methods.
- Distinguish the turborotor system stability by using transfer matrix and finite element formulation.
Graduate Attributes (as per NBA):
- Engineering Knowledge.
- Problem Analysis.
- Design / development of solutions Interpretation of data
Question paper pattern:
- The question paper will have ten questions.
- Each full question consists of 16 marks.
- There will be 2full questions (with a maximum of four sub questions) from each module.
- Each full question will have sub questions covering all the topics under a module.
- The students will have to answer 5 full questions, selecting one full question from each module.
Text Books:
- J. Gordon Leishman, Principles of Helicopter Aerodynamics, Cambridge University Press, 2002.
- George H. Saunders, Dynamics of Helicopter Flight, John Wiley & Sons, Inc, NY,1975.
Reference Books:
- W Z Stepniewski and C N Keys, Rotary Wing Aerodynamics, Dover Publications, Inc, New York, 1984.
- ARS Bramwell, George Done, and David Balmford, Helicopter Dynamics, 2nd Edition, Butterworth-Heinemann Publication, 2001.
- John, M. Seddon and Simon Newman, Basic Helicopter Aerodynamics, Wiley, 2011.
- Gareth D. Padfield, Helicopter Flight Dynamics, 2nd Edition, Wiley, 2011.
For detail syllabus of all other subjects of BE Aero, 2017 regulation do visit Aero 7th Sem syllabus for 2017 Regulation.
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