ESDU AZ Index: GGZ
 see
 Zinc Plating
 Effect on Control Hinge Moments, AERO C.04.01.00, AERO C.04.01.04
 Effect on Drag of Chordwise and Spanwise Round Controls or Flaps
 examples of calculation, 93032
 undeflected at low speeds, 92039
 Effect on LiftCurve Slope, AERO C.01.01.04
 Effect on Lift Variation With Control Deflection, AERO C.01.01.04
 Effect on Tab Hinge Moments, AERO C.04.01.08
 Extension to Viscous Flow (VGK) for Computation of Pressure Distribution on Aerofoils, 81019
 application of VGK to separation prediction, 97030
 comparison of excrescence drag magnification factor results with those from BVGK, 98031
 comparison of results obtained for predicted separation with experimental data, 97030
 comparison of results with results from other theories and experiment, 96028
 evaluation of excrescence drag magnification factor due to pressure gradient, 87004, 98031
 influence of grid size on results, 96028
 influence of values of variable parameters in program on results, 96028
 introduction to and outline of method, 96028
 prediction of separation boundary, 81020, 97030
 prediction of separation boundary directly, 92008
 program disc and user manual, 96029
 use for section design with specified uppersurface pressure distribution, 99032
 use to determine effect of deflecting sealed leading and/or trailingedge plain flaps, 01033
 use with multivariate gradient search program for drag minimisation, 00022, 00023, 01024, 99019, 99020, 99021
 Velocity Distribution on Aerofoils, 79009
 See under substance of interest
 Calorically Imperfect Diatomic
 calculated thermodynamic properties, AERO 00.01.09
 Physical Properties
 Thrust Measurement in Flight, 69007
 see
 Statistics
 Numerical Techniques for Definite Integrals

 see
 Quadrature
 Driving Planar MultiBar Linkages
 analysis using OSMEC program, 97026
 Parallel Axis Straight Spur and Helical
 accuracy and its influence on design, 88033
 application and dynamic factors to BS 436, 88033
 avoidance of tooth resonance, 77002, 88033
 choice between, 77002
 choice of centre distance and facewidth, 68040, 88033
 choice of helix angle, 77002
 choice of number of teeth, 77002, 88033
 choice of standard normal modules and pitches, 77002
 crowning, 88033
 definition and limits of tip diameter factor, 77002
 definition of addendum modification, 77002
 design to BS 436 with discussion of design factors and their values, 88033
 effect of case hardening on design, 88033
 effect on pressure angle of change of centre distance, 77002
 facewidth ratio, 88033
 fatigue strength, 68040, 88033
 geometric design in British or SI units, 77002
 illustration of tooth forms, 77002
 lead correction and accuracy required, 88033
 limits of speed and torque, 77002
 load factors to BS 436, 88033
 manufacturing processes and relative costs, 88033
 preliminary design procedure, 88033
 properties of steels for use in, 68040, 88033
 ratio split, 88033
 relationship of diametral pitch to normal module and pitch, 77002
 relative production costs, 88033
 safety factors to BS 436, 88033
 shaft deflection and effect on rating, 88033
 sizing for bending and surface stresses, 88033
 surface treatments, 68040, 88033, 89031
 table of preferred normal modules and pitches, 77002
 types of cutter, 77002
 External or Internal, Lubricated or Unlubricated, With Pin or Roller
 contact ellipse and stress, 96002, 96011, ME3
 contact force between pin or roller and slot, 96002, 96011, ME3
 crank shaft torque and peak value, 96002, 96011, ME3
 design for fixed diameter wheel or fixed centre distance, 96002, 96011
 forces on crank and wheel shafts and peak values, 96002, 96011, ME3
 geometry of crank and wheel, 96002, 96011, ME3
 guidance on use of program to inprove design, 96002
 kinematic and kinetostatic equtions, ME3
 lubricant film thickness and entrainment velocity, 96002, 96011, ME3
 program for design, 96011
 roller life estimation, 96002, 96011, ME3
 shaking force, 96002, 96011, ME3
 time for dwell and indexing motion, 96002, 96011, ME3
 wheel acceleration, displacement and velocity, 96002, 96011, ME3
 Worked Examples Illustrating Design Procedure and Use of Software, 96035
 analysis of startup/shutdown effects including determination of worst case, 99001
 design changes required to bring contact stress below allowable value, 99001
 treatment of varying external torque and crank speed, 99001
 Axes Transformation
 Diffusers
 Ellipsoidal and Spherical, and Blunted Tangent and Secant Ogive Forebodies

 see
 Forebody
 Wings

 see
 Wing Geometry
 Definition, 68046, 73017, 77021, 77022, 78008
 Graph of Equivalent Geometric Altitude to 80 km, 77021
 Program to Convert Atmospheric Data
 to data in geometric or pressure height, 00031, 00032, 00033, 00034, 00035, 00036, 00037, 00038, 00039
 Relationship With Pressure Altitude
 in any atmosphere, 78012
 in extreme design atmospheres, 78008
 in offstandard and standard atmospheres, 77022
 Tables of Equivalent Geometric Altitude to 50 km, 68046, 77022
 Estimation of Effect of Mean Stress on Fatigue Strength, 75022
 see
 Beams in General
 see
 Rotary Seals
 Composite Aluminium GlassFibre Reinforced Epoxy Laminate
 LowDrag Aerofoil Design

 see
 Gunaca Aerofoils
 Application to Bodies of Revolution, 74013
 Estimation of Effect of Mean Stress on Fatigue Strength, 75022
 see
 Slender Wings
 see
 Rate of Climb
 Condensers Manufactured From, 85022
 Use as Bearing Material With Fillers

 see also
 Dry Rubbing Bearings
 sketches of typical variation of friction coefficient with load and speed, 89044
 Use as Contact Seal Material in Reciprocating Applications, 83031
 Use as Filler in Polymer (With or Without Backing) Bearing Materials
 Use as Plate Material in PlateandFrame Heat Exchangers, 95007
 Effect of Heading, Height, Latitude and Speed on Local Value Experienced
 approximate expressions and graphical solutions, 73018
 detailed equations, 79018
 great circle and rhumbline tracks, 79018
 Inclusion in Equations of Motion of an Aircraft, 67003, 86021
 Method of Excluding From ThreeAxis Accelerometer Readings
 in determining aircraft true acceleration, 98024
 Standard SeaLevel Value, 77021, 77022
 Variation of Local Value With Height, 77022, 79018
 International Reference Ellipsoid, 79018
 Variation of Local Value With Latitude, 79018
 aircraft performance program, ESDUperf
 inclusion in program for aircraft performance estimation, 00031, 00032, 00033, 00034, 00035, 00036, 00037, 00038, 00039
 Estimation of Grease Renewal or Relubrication Interval
 effect of bearing type, 78032
 effect of cage location, 78032
 effect of grease type, 78032
 effect of load, 78032
 effect of shock and vibration environment, 78032
 effect of speed, 78032
 effect of temperature, 78032
 effect of type of mounting, 78032
 Temperature Behaviour From StartUp
 typical examples, 78032
 use as indicator of over or undergreasing, 78032
 see also
 Gauzes
 Normal Force
 Used in Computational Fluid Mechanics
 Outlets to AirConditioning Ducts
 see
 Runways
 Profile Drag Increment in Turbulent Boundary Layer

 see
 Excrescences
 Effect on Pressure Drop
 Stress Concentration Data
 Small With Respect to Diameter
 stress concentration data under axial load, bending or torsion, 79032
 Small With Respect to Diameter
 stress concentration data under axial load, bending or torsion, 79032
 Aircraft
 decrement in lift due to spoiler deployment, 76026
 example of effect on lift for particular vectoredjetthrust aircraft, 87037
 increment in downwash, 72023
 increment in drag due to spoiler deployment, 76026
 increment in drag minus thrust, 91032
 increment in tailplane lift, 72023
 increments in drag and lift, 72023
 Slender Wings
 increments in normal force and pitching moment, 71007
 Airframe Impingement Drag Due to Tyre Sidespray

 see
 Impingement Drag
 Axes Systems for Use in, 85030
 Basic Equations, 85029
 Discussion of Airframe/Ground/Propulsion Interference, 85029
 vectoredjetthrust aircraft, 87037
 Force and Moment Components Due to Airframe, Ground Reaction and Propulsion, 85030
 General Discussion of Factors Influencing, 85029
 Limiting Speeds Defined by Airworthiness Requirements, 85029
 Transformation of Parameters Between Various Axes Systems, 85030
 Undercarriage Load/Deflection Characteristics, 85029
 Correction of Measured Sound Pressure Levels, 94035
 basis of theory, 94035
 discussion of effect of distributed sources, 94035
 effect of real filter characteristics, 94035
 effect of source velocity, 94035
 effect of turbulence on coherence of direct and reflected waves, 94035
 ground impedance two parameter model for use in prediction, 94035
 minimisation by choice of microphone height, 94035
 sensitivity of results to choice of parameters in ground impedance and turbulence models, 94035
 Discussion of Interference Between Reflected and Incident Waves, 02020
 see
 Landing
 see
 Spoilers
 see also
 Standard Fatigue Loading Sequences
 Definition From Cumulative Frequency Diagram, 79024
 Design for Low Drag Over a Range of Lift Coefficient
 aerodynamic centre and pitching moment at zero lift, 99003
 comparison of geometric and inviscid flow characteristics with those of NACA 6series, 99003
 liftcurve slope and zerolift angle of attack, 99003
 pressure and velocity distributions, 99003
 program for geometric and inviscid flow characteristics, 99003
 Use as Hydrodynamic Bearing Material
 guide to selection, 88018
 Stalling Due to Vertical Gusts, PERF EG6/2
 Basic Equations for Behaviour and Transfer Functions, 85026