# VTU B.TECH Aeronautical-Engineering 2nd year SEMESTER – VII Syllabus For Helicopter dynamics PDF 2022

### Get Complete Lecture Notes for Helicopter dynamics on Cynohub APP

You will be able to find information about Helicopter dynamics along with its Course Objectives and Course outcomes and also a list of textbook and reference books in this blog.You will get to learn a lot of new stuff and resolve a lot of questions you may have regarding Helicopter dynamics after reading this blog. Helicopter dynamics has 5 units altogether and you will be able to find notes for every unit on the CynoHub app. Helicopter dynamics can be learnt easily as long as you have a well planned study schedule and practice all the previous question papers, which are also available on the CynoHub app.

All of the Topic and subtopics related to Helicopter dynamics are mentioned below in detail. If you are having a hard time understanding Helicopter dynamics or any other Engineering Subject of any semester or year then please watch the video lectures on the official CynoHub app as it has detailed explanations of each and every topic making your engineering experience easy and fun.

### Helicopter dynamics Unit One

#### Module-1

Introduction: History of helicopter flight. Fundamentals of Rotor Aerodynamics; Momentum theory analysis in hovering flight. Disk loading, power loading, thrust and power coefficients. Figure of merit, rotor solidity and blade loading coefficient. Power required in flight. Axial climb, descent, and autorotation. Blade Element Analysis: Blade element analysis in hovering and forward flight. Rotating blade motion. Types of rotors. Concept of blade flapping, lagging and coning angle. Equilibrium about the flapping hinge, lead/lag hinge, and drag hinge.

### Helicopter dynamics Unit Two

#### 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.

### Helicopter dynamics Unit Three

#### 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.

### Helicopter dynamics Unit Four

#### Module-4

Helicopter Stability and Control. Introductory concepts of stability.Forward speed disturbance, vertical speed disturbance, pitching angular velocity disturbance, side-slip disturbance, yawing disturbance. Static stability of helicopters: longitudinal, lateral-directional and directional. Dynamic stability aspects. Main rotor and tail rotor control. Flight and Ground Handling Qualities-General requirements and definitions. Control characteristics, Levels of handling qualities. Flight Testing- General handing flight test requirements and, basis of limitations.

### Helicopter dynamics Unit Five

#### Module-5

Standardsand 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.

### Helicopter dynamics Course Objectives

CO1: Comprehend the basic concepts of helicopter dynamics. 2.CO2: Acquire the knowledge of critical speed and rotor bearing system.3.CO3: Understand the turborotor system and blade vibration.

### Helicopter dynamics Course Outcomes

At the end of the course the student will be able to: 1.CO1: Apply the basic concepts of helicopter dynamics. 2.CO2: Compute the critical speed by using various methods. 3.CO3: Distinguish the turborotor system stability by using transfer matrix and finite element formulation.

### Helicopter dynamics Text Books

Principles of Helicopter Aerodynamics-J. Gordon Leishman
Dynamics of Helicopter Flight-George H. Saunders

### Helicopter dynamics Reference Books

Rotary Wing Aerodynamics-W Z Stepniewski and C N Keys
Helicopter Dynamics-ARS Bramwell, George Done, and David Balmford
Basic Helicopter Aerodynamics-John, M. Seddon and Simon Newman

### Scoring Marks in Helicopter dynamics

Scoring a really good grade in Helicopter dynamics is a difficult task indeed and CynoHub is here to help!. Please watch the video below and find out how to get 1st rank in your B.tech examinations . This video will also inform students on how to score high grades in Helicopter dynamics . There are a lot of reasons for getting a bad score in your Helicopter dynamics exam and this video will help you rectify your mistakes and help you improve your grades.

Information about VTU B.Tech Helicopter dynamics was provided in detail in this article. To know more about the syllabus of other Engineering Subjects of JNTUH check out the official CynoHub application. Click below to download the CynoHub application.

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