Introduction to Helicopter Aerodynamics and Dynamics

IIT Kanpur Course , Prof. C. Venkatesan

Lecture 1:

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Lecture Details :

Introduction to Helicopter Aerodynamics and Dynamics by Prof. C. Venkatesan, Department of Aerospace Engineering, IIT Kanpur. For more details on NPTEL visit http://nptel.iitm.ac.in

Course Description :

Contents:
Introduction - Historical Development of Helicopters - Helicopter Configuration - Control Requirements - Types of Rotor Systems - Basic Power Requirements.

Introduction to Hovering Theory : Momentum Theory - Blade Element Theory - Combined Blade Element and Momentum theories for non - uniform inflow calculation - Ideal Rotor Vs Optimum Rotor.
Vertical Flight : Various flow states of Rotor - Autorotation in Vertical Descent - Ground Flight.

Forward Flight : Momentum Theory - Variable Infow Models - Blade Element Theory - Rotor Reference Planes - Hub Loads - Power variation with forward speed - Rotor Blade flapping Motion: Simple Model.
Helicopter Trim and Stability : Equilibrium condition of helicopter - Trim analysis - Basics of helicopter stability.

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