ESDU AZ Index: MMZ
 Definition, 82020, AERO S.00.03.06
 Definition, 82020, AERO S.00.03.06
 Calibration Law, 86031
 Acceleration Experienced in Climb at Constant, 81046
 values in OffStandard and Standard atmospheres, 81046
 Calculation from GPS Data and Pressure and Temperature Measurements,, 20006, 20007
 Derivation of Indicated True Airspeed, TM 199
 Effect on Aerodynamic and Flow Characteristics
 Equations for Relationship With Calibrated Airspeed, 81046
 Measurement in Flight

 see also
 Anemometric Data Correction
 Program to Convert Values to Other Airspeed Definitions
 aircraft performance program, ESDUperf
 in Standard or nonStandard atmosphere, 00031, 00032, 00033, 00034, 00035, 00036, 00037, 00038, 00039
 Static Pressure Correction Coefficient as a Function of, 20006
 Variation With Calibrated Airspeed and Pressure Altitude, 69026
 Variation With Equivalent Airspeed and Pressure Altitude, 69026, 78017
 Definition, AERO S.00.03.06
 Bearing Strength 00932 (MMDH)
 Composition of Specific Specifications 00932 (MMDH)
 Corrosion Resistance 00932 (MMDH)
 Creep Behaviour and Elongation 00932 (MMDH)
 Density 00932 (MMDH)
 Elastic Moduli in Compression and Tension 00932 (MMDH)
 Elastic Modulus of Rigidity 00932 (MMDH)
 Electrical Conductivity 00932 (MMDH)
 Exfoliation Corrosion Resistance 00932 (MMDH)
 Fracture Toughness 00932 (MMDH)
 Poisson's Ratio 00932 (MMDH)
 Proof Stresses in Tension 00932 (MMDH)
 Shear Strength 00932 (MMDH)
 Specific Heat Capacity 00932 (MMDH)
 Stress Corrosion Resistance 00932 (MMDH)
 Tensile Strength 00932 (MMDH)
 Thermal Conductivity 00932 (MMDH)
 Thermal Expansion Coefficient 00932 (MMDH)
 Torsion Strength 00932 (MMDH)
 Weldability 00932 (MMDH)
 Linear Systems With Unity Feedback
 determination from Hall, Inverse Nyquist and Nichols plots, 74021
 Linear System
 definition, 73011
 Examples of Use in Calculating Contribution to Drag of Typical Excrescences on Transport Wing, 93032
 Factor Applied to Drag of Isolated on Flat Plate to Obtain Drag on Aerofoil
 estimation by comparison with calculated values for similar pressure distribution, 87004
 program for calculation when pressure distribution alone is known, 91028
 representation in computation by momentum thickness increment, 87004, 98031
 simplified calculation when pressure distribution alone is known, 91028
 use of Nash and Bradshaw equation, 87004, 90029, 91028
 use of VGK to determine, 87004, 98031
 values for family of aerofoils designed for high dragrise Mach numbers, 91029
 see also
 Steels
 Fatigue Crack Propagation Rate

 see also
 Crack Propagation
 characteristic slopes of plots against stress intensity factor, 84003
 effect of alloy composition and heat treatment, 84003
 effect of mean stress (or stress ratio), 84003
 Fatigue Strength at High Endurance
 relationship with tensile strength for unnotched specimens, 88008
 Fatigue Strength Under Bending, 71027
 effect of notches, 71027
 relationship with tensile strength, 71027
 Fracture Toughness
 variation with temperature, 83023
 see
 Statistics
 Definition, 83041
 see also
 Steels
 Fatigue Crack Propagation Rate

 see also
 Crack Propagation
 characteristic slopes of plots against stress intensity factor, 84003
 effect of alloy composition and heat treatment, 84003
 effect of mean stress (or stress ratio), 84003
 Fatigue Strength Under Bending, 71027
 relationship with tensile strength, 71027
 Fracture Toughness
 variation with temperature, 83023
 Threshold Stress Intensity Factor Range, 84003
 effect of mean stress (or stress ratio), 84003
 Compressible SinglePhase Flow Equations and Curves
 see also
 Cowls
 Pressure Drop Across, 66030
 Dynamic Response to Turbulence and Wind
 Mean Forces, Moments and Pressures Due to Wind
 Mechanical Vibration Characteristics

 see
 Buildings
 see also
 Aluminium Alloy Sheets
 Aluminium Alloys
 Copper Alloys
 Dry Rubbing Bearings
 Fracture Toughness
 Gears
 Helical Springs of Round Wire
 Journal Bearings
 Magnesium Alloys
 Nickel Steels
 Refractory Lining Materials
 Steel Sheets
 Steels
 Thrust Bearings
 Titanium Alloy (Ti10V2Fe3Al)
 Titanium Alloy (Ti11Sn5Zr2Al1Mo)
 Titanium Alloy (Ti2.5Cu)
 Titanium Alloy (Ti4Al3Mo1v)
 Titanium Alloy (Ti4Al4Mo2Sn0.5Si)
 Titanium Alloy (Ti4Al4Mo4Sn0.5Si)
 Titanium Alloy (Ti5Al2.5Sn)
 Titanium Alloy (Ti6Al2Sn2Zr2Mo)
 Titanium Alloy (Ti6Al2Sn4Zr2Mo)
 Titanium Alloy (Ti6Al2Sn4Zr6Mo)
 Titanium Alloy (Ti6Al4V)
 Titanium Alloy (Ti6Al5Zr0.5Mo0.25Si)
 Titanium Alloy (Ti6Al6V2Sn)
 Titanium Alloy (Ti8Al1Mo1V)
 Titanium Alloys
 Wear Resistant Surface Coatings and Treatments
 Comparison of Various for Ceramic, Metallic and Polymer Materials, 84041
 Density and Melting or Softening Temperature
 various ceramic, metallic and polymer materials, 84041
 Effective Young's Modulus for Various Materials in Contact, 85027, 89045, 94017
 Effect of Composition on Fatigue Crack Growth Rate

 see
 Aluminium Alloy Bars and Plates
 Aluminium Alloy Forgings
 Aluminium Alloy Sheets
 AluminiumLithium Alloy Plates and Sheets
 Austenitic Stainless Steels
 Duplex Stainless Steels
 High Alloy Steels
 High Tensile Low Alloy Steels
 Low Tensile Low Alloy Steels
 Maraging Steels
 Martensitic Stainless Steels
 Precipitation Hardening Stainless Steels
 Generalised StressStrain Curves, 76014, 76016, 89052
 approximate equations for stress at given strain or given stresstotangent modulus ratio, 76016
 equations for, 76016, 89052
 method of determination from limited materials data, 76016
 program to compute from modulus and two inelastic points, 89052
 program to compute stress at given strain or given stresstotangent modulus ratio
 use to determine plasticity effects for plate buckling, 83044
 variation of Poisson's ratio in inelastic region, 76016
 Introduction to Data in Handbook 00932 (MMDH)
 Layered Materials Used to Increase Structural Damping
 variation of loss factor and modulus with frequency and temperature, 92001
 Limitations on and Variations of Allowable Stress Data
 effects of directionality, material form and other factors 00932 (MMDH)
 Parameter Relationships Used to Derive Data in Handbook
 general values for bearing, shear and tension ratios 00932 (MMDH)
 use of particular relationships 00932 (MMDH)
 Poisson's Ratio
 estimated values for metallic materials in inelastic region, 76016, 89052
 various ceramic, metallic and polymer materials, 78035, 84041, 85027
 various metallic and polymer materials, 94017, 96002
 Secant Modulus
 definition, 76016
 Specific Heat Capacity
 various ceramic, metallic and polymer materials, 84041
 Standardised Test Procedures 00932 (MMDH)
 temperature measurement and calibration 00932 (MMDH)
 Statistical Derivation of Design Values 00932 (MMDH)
 Tangent Modulus
 relationship to secant modulus for generalised stressstrain curve, 76016, 89052
 Temper Designation System Used in Handbook 00932 (MMDH)
 Thermal Conductivity
 various ceramic, metallic and polymer materals, 84041
 Thermal Expansion Coefficient
 various ceramic, metallic and polymer materals, 84041
 Young's Modulus
 various ceramic, metallic and polymer materials, 78035, 84041, 85027
 various metallic and polymer materials, 94017, 96002
 various piping materials, 83046, 87027
 Aerofoils at Mach Numbers From 0.6 to 0.75, AERO W.01.01.07
 Aerofoils in LowSpeed Flow, 84026, 93015
 angle of attack for, with or without highlift devices deployed, 96003
 effect of leadingedge roughness, 84026, 93015
 increment due to doubleslotted flaps, alone or with leadingedge devices, 94027, 94031
 increment due to leadingedge slotted or unslotted highlift devices, 94027
 increment due to plain flaps, alone or with leadingedge devices, 94027, 94028
 increment due to singleslotted flaps, alone or with leadingedge devices, 94027, 94030
 increment due to split flaps, alone or with leadingedge devices, 94027, 94029
 increment due to tripleslotted flaps, alone or with leadingedge devices, 94027, 94031
 increment due to vented or unvented Kruger flaps, 94027
 Introduction to Data Items on Effect of HighLift Devices on
 aerofoils, 94026
 wings, 97002
 Viscous Fullpotential (VFP) Method for Three Dimensional Wings and WingBody Combinations. Part 4: VFP analysis programs for flow breakdown and forces and loads, 21002
 Wings With LeadingEdge Part or FullSpan HighLift Devices
 angle of attack for, 96003
 slotted or unslotted, or vented or unvented Kruger, 92031
 Wings With Spanwise Camber and Twist Distribution
 swept or unswept in subcritical flow without highlift devices, 89034, 93015
 Wings With TrailingEdge Part or FullSpan HighLift Devices
 angle of attack for, 96003
 plain, slotted or split flaps with leadingedge highlift devices, 92031
 plain, slotted or split flaps without leadingedge highlift devices, 91014
 Criteria of Yielding and Failure, STRUCT 02.00.00
 Criteria of Yielding and Failure, STRUCT 02.00.00
 Criteria of Yielding for Ductile Materials under Static Loading, 73004
 see
 Speed
 Criteria of Yielding and Failure, STRUCT 02.00.00
 Criteria of Yielding for Ductile Materials under Static Loading, 73004
 Variation With Altitude in Model Atmosphere, 77021
 Definition, 70016
 Effect on Fatigue Crack Propagation Rate

 see
 Aluminium Alloy Bars and Plates
 Aluminium Alloy Forgings
 Aluminium Alloy Sheets
 AluminiumLithium Alloy Plates and Sheets
 Austenitic Stainless Steels
 Duplex Stainless Steels
 High Alloy Steels
 High Tensile Low Alloy Steels
 Low Tensile Low Alloy Steels
 Maraging Steels
 Martensitic Stainless Steels
 Precipitation Hardening Stainless Steels
 Titanium Alloy (Ti2.5Cu)
 Titanium Alloy (Ti4Al4Mo2Sn0.5Si)
 Titanium Alloy (Ti5Al2.5Sn)
 Titanium Alloy (Ti6Al4V)
 Titanium Alloy (Ti6Al6V2Sn)
 Titanium Alloy (Ti8Al1Mo1V)
 Titanium Sheets
 Effect on Fatigue Limit
 Effect on Fatigue Strength

 see also
 Aluminium Alloys
 LowLoad Transfer Joints in Aluminium Alloys
 Lugs (Fatigue Strength)
 Riveted Lap Joints in Aluminium Alloy Sheets
 Screw Threads
 Titanium Alloy (Ti5Al2.5Sn)
 Titanium Alloy (Ti6Al4V)
 Titanium Alloy (Ti6Al6V2Sn)
 Welded Joints in Steels
 Welded Longitudinal Joints in Aluminium Alloys
 Welded Longitudinal Joints in Steels Under Axial Loading
 Welded Transverse Joints in Aluminium Alloys
 Welded Transverse Joints in Steels Under Axial Loading
 Welded Transverse Joints in Steels Under Bending
 design calculations, 75022
 notched specimens (semirange/mean stress diagram), FAT A.00.02
 unnotched specimens (semirange/mean stress diagram), FAT A.00.01
 use of appropriate constant amplitude data in cumulative damage calculations, 95006
 Effect on Fatigue Strength Under Acoustic Loading
 Effect on Fatigue Strength When Component is Subject to Fretting, 90031
 see
 Balancing of Linkages
 Cams
 Cams with Domed or FlatFaced Followers
 Cams with Swinging Roller Followers
 Cams with Translating Roller Followers
 Contact Phenomena
 CrankRocker Mechanisms
 Elastohydrodynamic Lubrication
 Epicyclic Gear Train
 Force Balancing of Linkages
 Gears
 Geneva Mechanisms
 Helical Springs of Round Wire
 Linkages
 Mechanisms Series
 Moment Balancing of Linkages
 Reduction of Torque Fluctuation in Linkage Drive Shafts
 SliderCrank Mechanisms
 see also
 Fretting Fatigue
 Various Materials
 ceramic, metallic and polymer, 84041
 see also
 Heat Pipes
 Density
 pressure and temperature variation for saturated gas and liquid, 80017
 Dynamic Viscosity
 pressure and temperature variation for saturated gas and liquid, 80017
 Specific Heat Capacity
 pressure and temperature variation for saturated liquid, 80017
 Specific Latent Heat of Vaporisation
 pressure and temperature variation at saturation, 80017
 Surface Tension
 pressure and temperature variation at saturation, 80017
 Thermal Conductivity
 pressure and temperature variation for saturated liquid, 80017
 Vapour Pressure
 pressure and temperature variation at saturation, 80017
 see
 Cow's Milk
 Contact Phenomena
 calculation of individual stress components in concentrated elastic contacts under combined normal and tangential loading, 85007
 stress fields and failure criteria in concentrated elastic contacts under combined normal and tangential loading, 84017
 Criteria of Yielding
 criteria of yielding and failure, STRUCT 02.00.00
 for ductile materials under static loading, 73004
 Dimensions, Deflections and Stresses for Hertzian Contacts under Combined Normal and Tangential Loading
 guide to use of computer program A9434, 94034
 ReynoldsPrandtl Number Regimes for in Horizontal or Vertical CircularSection Ducts
 laminar or turbulent flow, 92003
 Acoustic Spaces, 13003
 Beams in Bending, 11008
 Bolotin's Method, 11009
 Circular Plates, 11008
 Curved Panels, 11009
 Definition, 78004, 97033
 Equation for Beam in Bending, 99009
 Equation for Plate in Bending, 99009
 Rectangular Enclosure, 13003
 Rectangular Plates, Isotropic, 11008
 Rectangular Plates, Specially Orthotropic, 11008
 Sandwich Panels, 11008, 11009
 Unstiffened ThinWalled CircularCylindrical Shells, 78004
 see also
 Normal Mode Analysis
 Acoustic
 rectangular enclosure, 13003, 15011
 Coupled
 definition, 66013
 For Lateral and Longitudinal Motion of Aircraft, 86021
 desirable characteristics for good handling qualities, 92006
 Fundamental
 definition, 66013
 Linear System
 calculation, 74019
 determination of damping from frequency response measurements, 90006, 93016
 determination of dominant, 80002
 determination of natural frequency from frequency response measurements, 90006, 93016
 sensitivity to changes in system parameters, 80018
 Normal
 definition, 66013
 use in analysising deformation of flexible aircraft, 99033
 Use of BuiltIn Cantilever Beam Bending and Twisting
 in static aeroelastic stability analysis, 97032
 Use of Orthogonal in Analysing Deformation of Flexible Aircraft, 97032
 Use to Define Trial Functions in Structure Modelling for Dynamic Response, 97033
 Vibration
 Analysis of Strain Gauge Rosette Data, 72014
 Air in Dissociation Equilibrium, AERO 00.01.11, AERO 00.01.12
 Application to Steady, Spatially NonUniform Axial Compressible Flow
 caloricallyperfect gas, 95011
 thermallyperfect gas, 97029
 Examples in Use of, AERO S.00.03.27
 see also
 Balancing of Linkages
 Linkages
 Advantages and Limitations of Various Methods Singly or in Combination
 counterweights, 89043
 duplicate linkage added with mirrorimage symmetry, 89043
 dyad added, 89043
 inertia counterweights, 89043
 Lanchester Balancer, 89043
 moment balancer, 89043
 Use of Constant Speed Rotating Counterweights For Partial Balance of Planar Linkages
 alignment and mass of pair of weights rotating in same direction, 90007
 alignment, mass and location of generalised Lanchester Balancer, 90007
 Moment of Area Rule, AERO A.S.02.03.01
 Aerodynamic
 expressed as expansion in terms of small perturbations, 67003, 86021
 functional dependence, 86021
 Axes Transformation, 67004, 67036, 78038, 82031, 85030, 86041
 Due to Internal Flow, 81004
 On Aircraft and Components

 see
 Aerodynamic Loading
 Bending Moment
 Flutter Derivatives
 Ground Performance in TakeOff and Landing
 Hinge Moment
 Pitching Moment
 Pitching Moment Due To Acceleration in Heave (M_{w dot} or C_{Mα dot})
 Pitching Moment Due To Pitching (M_{q} or C_{mq})
 PitchingMomentCurve Slope (M_{W} or C_{mα})
 Rolling Moment
 Rolling Moment Due To Rolling (L_{p} or C_{lp})
 Rolling Moment Due To Rudder Deflection (L_{ζ} or C_{l Δ r})
 Rolling Moment Due To Sideslip (L_{v} or C_{l β})
 Rolling Moment Due To Yawing (L_{r} or C_{lr})
 Similarity Laws
 Yawing
 Yawing Moment Due To Aileron Deflection (N_{ξ} or C_{nΔa})
 Yawing Moment Due To Rolling (N_{p} or C_{np})
 Yawing Moment Due To Rudder Deflection (N_{ζ} or C_{nΔr})
 Yawing Moment Due To Sideslip (N_{v} or C_{nβ})
 Yawing Moment Due To Yawing (N_{r} or C_{nr})
 On Buildings and Structures Due to Wind or Other Fluid Flows
 TurboJet Engines
 Compressible Flow Equations and Curves
 Computer Program for Estimation of Spanwise Loading of Wings with Camber and Twist in Subsonic Attached Flow. Liftingsurface Theory. (With Appendix A: Effect of Plain Flaps.), 95010
 Graphical Method for Estimating the Spanwise Distribution of Aerodynamic Centre on Wings in Subsonic Flow, TD MEMO 6309
 Introduction to Unsteady Aerodynamics, 82020
 Method for the Rapid Estimation of Theoretical Spanwise Loading due to a Change of Incidence, TD MEMO 6403
 see also
 Lubricants
 Definition, 71003