338-0321/02 – Basics of Aerodynamics (ZA)
| Gurantor department | Department of Hydromechanics and Hydraulic Equipment | Credits | 3 |
| Subject guarantor | doc. Ing. Sylva Drábková, Ph.D. | Subject version guarantor | doc. Ing. Sylva Drábková, Ph.D. |
| Study level | undergraduate or graduate | Requirement | Compulsory |
| Year | 1 | Semester | summer |
| | Study language | Czech |
| Year of introduction | 2010/2011 | Year of cancellation | 2022/2023 |
| Intended for the faculties | FS | Intended for study types | Bachelor |
Subject aims expressed by acquired skills and competences
The students will obtain the knowledge of flow around bodies with a focus on air profiles, determination of resistance and buoyancy forces acting on the aircraft, according to requirements of JAR-66.
Teaching methods
Lectures
Tutorials
Experimental work in labs
Summary
Atmospheric Physics, Continuity equation, Bernoulli's equation, Pitot tube and velocity measurement, laminar and turbulent flow, boundary layer, the resistance elements, flow profiles, Žukovsky equation, buoyancy, and resistance. The balance of forces on the airplane, glide, turn theory, stable flight.
Compulsory literature:
Aerodynamics for students. Dostupné z https://sites.google.com/site/aerodynamics4students/
Recommended literature:
Aerodynamics for students. Dostupné z https://sites.google.com/site/aerodynamics4students/
Additional study materials
Way of continuous check of knowledge in the course of semester
E-learning
Other requirements
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Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
1 Atmospheric Physics.
The international atmosphere of the ISA, application in aerodynamics. Physical properties of air.
2 Basic concepts of fluid flow
laminar and turbulent flow, free flow, relative flow, slope flow, turbulent flow, stagnation.
3 Basic equations describing the flow
Continuity equation, Euler equations of hydrodynamics, the Bernoulli equation for ideal and real fluid applications
4 Velocity and pressure in flowing fluid
Pitot and Pitot tube, horizontal gauge, venturi. Glow anemometer.
5 Change of momentum
Momentum change theorem, calculation of forces in fluid flow
6 Wrapping bodies.
Forces and moments in the body wrap, aerodynamic force, resistance elements. Wrap plates, spheres and cylinders. Circulation speed, Žukovsky equation.
7 Boundary layer
Boundary layer, the thickness of the boundary layer, boundary layer separation. Boundary layer.
8 Flow over airfoil
Flight profile, geometry and nomenclature. Aerodynamic center, the aerodynamic mesh wings, wing shape and aspect ratio, angle of attack, the accrued and outgoing current.
9 Forces acting on an airfoil
Drag, lift, lift coefficient, drag coefficient, aerodynamic polar, induced resistance
10 Pollution effects of aerodynamic surfaces including ice, snow, frost.
Theory of Flight
11 The relationship between lift, gravity, tension and resistance. Glide,steady state flights, power. The theory of turns.
12 Influence of load factor: stall speed, the flight envelope and structural strength limitations.Means to increase buoyancy.
13 Flight Stability and Dynamics
Longitudinal, lateral and directional stability (active and passive)
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction