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Theory of Wing Sections: Including a Summary of Airfoil Data (Dover Books on Physics)

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Theory of Wing Sections: Including a Summary of Airfoil Data (Dover Books on Physics) Cover

ISBN13: 9780486605869
ISBN10: 0486605868
All Product Details

 

Synopses & Reviews

Publisher Comments:

"Most useful in working with wing sections and methods for using section data to predict wing characteristics . . . much detailed geometric and aerodynamic data." — Mechanical Engineering

The first edition of this work has been corrected and republished in answer to the continuing demand for a concise compilation of the subsonic aerodynamics characteristics of modern NASA wing sections together with a description of their geometry and associated theory. These wing sections, or their derivatives, continue to be the ones most commonly used for airplanes designed for both subsonic and supersonic speeds, and for helicopter rotor blades, propeller blades, and high performance fans.

Intended to be primarily a reference work for engineers and students, the book devotes over 300 pages to theoretical and experimental considerations. The theoretical treatment progresses from elementary considerations to methods used for the design of NACA low-drag airfoils. Methods and data are presented for using wingsection data to predict wing characteristics, and judiciously selected plots and cross-plots of experimental data are presented for readily useful correlation of certain simplifying assumptions made in the analyses. The chapters on theory of thin wings and airfoils are particularly valuable, as is the complete summary of the NACA's experimental observations and system of constructing families of airfoils. Mathematics has been kept to a minimum, but it is assumed that the reader has a knowledge of differential and integral calculus, and elementary mechanics.

The appendix of over 350 pages contains these tables: Basic Thickness Forms, Mean Lines, Airfoil Ordinates, and Aerodynamic Characteristics of Wing Sections.

Synopsis:

Reference for engineers and students progresses from elementary materials to methods used in design of NACA low-drag airfoils. Presents techniques for using wing-section data to predict wing characteristics. 1949 edition.

Synopsis:

Concise compilation of subsonic aerodynamic characteristics of NACA wing sections, plus description of theory. 350 pages of tables.

Table of Contents

PREFACE TO DOVER EDITION

PREFACE

1. THE SIGNIFICANCE OF WING-SECTION CHARACTERISTICS

    Symbols.

    The Forces on Wings.

    Effect of Aspect Ratio.

    Application of Section Data to Monoplane Wings:

    a. Basic Concepts of Lifting-line Theory.

    b. Solutions for Linear Lift Curves.

    c. Generalized Solution.

      Applicability of Section Data.

2. SIMPLE TWO-DIMENSIONAL FLOWS

    Symbols.

    Introduction.

    Concept of a Perfect Fluid.

    Equations of Motion.

    Description of Flow Patterns.

    Simple Two-dimensional Flows:

    a. Uniform Stream.

    b. Sources and Sinks.

    c. Doublets.

    d. Circular Cylinder in a Uniform Stream.

    e. Vortex.

    f. Circular Cylinder with Circulation.

3. THEORY OF WING SECTIONS OF FINITE THICKNESS

    Symbols.

    Introduction.

    Complex Variables.

    Conformal Transformations.

    Transformation of a Circle into a Wing Section.

    Flow about Arbitrary Wing Sections.

    Empirical Modification of the Theory.

    Design of Wing Sections.

4. THEORY OF THIN WING SECTIONS

    Symbols.

    Basic Concepts.

    Angle of Zero Lift and Pitching Moment.

    Design of Mean Lines.

    Engineering Applications of Section Theory.

5. THE EFFECTS OF VISCOSITY

    Symbols.

    Concept of Reynolds Number and Boundary Layer.

    Flow around Wing Sections.

    Characteristics of the Laminar Layer.

    Laminar Skin Friction.

    Momentum Relation.

    Laminar Separation.

    Turbulent Flow in Pipes.

    Turburlent Skin Friction.

    Calculation of Thickness of the Turbulent Layer.

    Turbulent Separation.

    Transition from Laminar to Turbulent Flow.

    Calculation of Profile Drag.

    Effect of Mach Number on Skin Friction.

6. FAMILIES OF WING SECTIONS

    Symbols.

    Introduction.

    Method of Combining Mean Lines and Thickness Distributions.

    NACA Four-digit Wing Sections:

    a. Thickness Distributions.

    b. Mean Lines.

    c. Numbering System.

    d. Approximate Theoretical Characteristics.

    NACA Five-digit Wing Sections:

    a. Thickness Distributions.

    b. Mean Lines.

    c. Numbering System.

    d. Approximate Theoretical Characteristics.

    Modified NACA Four-and Five-digit Series Wing Sections.

    NACA 1-Series Wing Sections:

    a. Thickness Distributions.

    b. Mean Lines.

    c. Numbering System.

    d. Approximate Theoretical Characteristics.

    NACA 6-Series Wing Sections:

    a. Thickness Distributions.

    b. Mean Lines.

    c. Numbering System.

    d. Approximate Theoretical Characteristics.

    NACA 7-Series Wing Sections.

    Special Combinations of Thickness and Camber.

7. EXPERIMENTAL CHARACTERISTICS OF WING SECTIONS.

    Symbols.

    Introduction.

    Standard Aerodynamic Characteristics.

    Lift Characteristics:

    a. Angle of Zero Lift.

    b. Lift-curve Slope.

    c. Maximum Lift.

    d. Effect of Surface Condition on Lift Characteristics.

    Drag Characteristics:

    a. Minimum Drag of Smooth Wing Sections.

    b. Variation of Profile Drag with Lift Coefficient.

    c. Effect of Surface Irregularities on Drag Characteristics.

    d. Unconservative Wing Sections.

    Pitching moment Characteristics.

8. HIGH-LIFT DEVICES

    Symbols.

    Introduction.

    Plain Flaps.

    Split Flaps.

    Slotted Flaps:

    a. Description of Slotted Flaps.

    b. Single-slotted Flaps.

    c. External-aifoil Flaps.

    d. Double-slotted Flaps.

    Leading-edge High-lift Devices:

    a. Slats.

    b. Slots.

    c. Leading-edge Flaps.

    Boundary-layer Control.

    The Chordwise Load Distribution over Flapped Wing Sections.

9. EFFECTS OF COMPRESSIBILITY AT SUBSONIC SPEEDS

    Symbols.

    Introduction.

    Steady Flow through a Stream Tube:

    a. Adiabatic Law

    b. Velocity of Sound

    c. Bernoulli's Equation for Compressible Flow.

    d. Cross-sectional Areas and Pressures in a Stream Tube.

    e. Relations for a Normal Shock.

    First-order Compressibility Effects:

    a. Glauert-Prandtl Rule

    b. Effect of Mach Number on the Pressure Coefficient.

    Flow about Wing Sections at High Speed:

    a. Flow at Subcritical Mach Numbers.

    b. Flow at Supercritical Mach Numbers.

    Experimental Wing Characteristics at High Speeds:

    a. Lift Characteristics.

    b. Drag Characteristics.

    c. Moment Characteristics.

    Wings for High-speed Applications.

REFERENCES

APPENDIX

  I. Basic Thickness Forms

  II. Mean Lines

  III. Airfoil Ordinates

  IV. Aerodynamic Characteristics of Wing Sections

INDEX

What Our Readers Are Saying

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Average customer rating based on 1 comment:

chlh, June 24, 2009 (view all comments by chlh)
This book is very useful for the ones who study airfoil design.
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Product Details

ISBN:
9780486605869
With:
Von Doenhoff, Albert E.
Author:
Von Doenhoff, Albert E.
Author:
Abbott, Ira H.
Author:
Doenhoff, A. E. von
Author:
Engineering
Publisher:
Dover Publications
Subject:
General
Subject:
Airplanes
Subject:
Dynamics
Subject:
Aeronautics & Astronautics
Subject:
Aerodynamics
Subject:
Aerofoils
Subject:
Science Reference-Technology
Copyright:
Edition Description:
Trade Paper
Series:
Dover Books on Aeronautical Engineering
Publication Date:
19590631
Binding:
TRADE PAPER
Language:
English
Illustrations:
Y
Pages:
693
Dimensions:
8.5 x 5.38 in 1.66 lb

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Theory of Wing Sections: Including a Summary of Airfoil Data (Dover Books on Physics) New Trade Paper
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Product details 693 pages Dover Publications - English 9780486605869 Reviews:
"Synopsis" by , Reference for engineers and students progresses from elementary materials to methods used in design of NACA low-drag airfoils. Presents techniques for using wing-section data to predict wing characteristics. 1949 edition.
"Synopsis" by ,
Concise compilation of subsonic aerodynamic characteristics of NACA wing sections, plus description of theory. 350 pages of tables.

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