ESDU AZ Index: EEZ
 Mechanical Vibration Characteristics for Use in Calculating Response

 see
 Buildings
 Use in NonDestructive Examination for Flaws, 91027
 Use in Temperature Measurement
 see also
 Stresses At Free Edges
 see
 Roughness
 see also
 Jet Mixing
 Jet Noise
 Jet/flap Interference
 Compressible Flow Equations and Curves
 see
 Modes
 Design and Performance Prediction of Gas
 onedimensional equations for dissimilar (or identical) primary and secondary flows, 92042
 program for basic dimensions with air primary and secondary flows, 92042
 program to calculate flow conditions throughout given ejector, 92042
 program to optimise design for dissimilar (or identical) primary and secondary flows, 92042
 recommendations for design of contraction (or diffuser), 92042
 recommendations for design of mixing duct, 92042
 recommendations for design of primary and secondary nozzles, 92042
 Design and Performance Prediction of Liquid
 cavitation limit, 85032
 definition of shutoff, 85032
 geometric considerations, 85032
 losses in mixing duct, 85032
 losses in primary and secondary nozzles, 85032
 mechanical considerations, 85032
 offdesign behaviour, 85032
 onedimensional equations for dissimilar (or identical) miscible primary and secondary flows, 93022
 optimum area ratio for central primary nozzle, 85032
 program to calculate flow conditions throughout given ejector, 93022
 program to optimise design for dissimilar (or identical) primary and secondary flows, 93022
 stepbystep procedure and flowchart, 85032
 typical characteristic and efficiency curves, 85032
 use of annular or multinozzle arrangements, 85032
 use of approximate design method, 85032
 Design and Performance Prediction of Steam/Gas
 considerations in shutdown and startup, 86030, 94046
 design method to obtain optimum using charts, 86030
 geometric considerations, 86030, 94046
 instability, 86030, 94046
 mechanical considerations, 86030, 94046
 noise and vibration considerations, 86030, 94046
 onedimensional equations for primary and secondary flows, 94046
 program to calculate flow conditions throughout given ejector, 94046
 program to optimise design, 94046
 shutoff limits, 86030, 94046
 steam supply conditions and vapour freezing, 86030
 typical operating characteristic, 86030, 94046
 use in multistages, 86030, 94046
 use of annular or multinozzle arrangements, 86030, 94046
 Design and Performance Prediction of Steam/Liquid
 cavitation limit, 86030
 considerations in shutdown and startup, 86030
 design method to obtain optimum using charts, 86030
 geometric considerations, 86030
 instability, 86030
 mechanical considerations, 86030
 noise and vibration considerations, 86030
 offdesign behaviour, 86030
 shutoff limits, 86030
 steam supply conditions and vapour freezing, 86030
 typical operating characteristic, 86030
 use in multistages, 86030
 use of annular or multinozzle arrangements, 86030
 vapour binding limit, 86030
 OneDimensional Flow Theory, 85032, 86030, 92042
 Practical Applications, 85032, 86030
 see also
 Cams
 Acceptable Values of Film Thickness
 cams and gears, 85027, 89045
 rolling bearings, 85027, 89045
 Determination of Film Thickness in ThreeDimensional (or Point) Contact, 89045, 91038
 Determination of Film Thickness in TwoDimensional (or Line) Contact, 85027, 91037
 typical minimum values, 85027
 Effect of Film Thickness/Surface Roughness on Fatigue Life, 85027
 Regions of Lubrication, 85027, 94017
 Typical Surface Finish Roughness
 gears, 85027, 89045
 rolling bearings, 85027, 89045
 Stress Analysis
 With Internal Flow
 design information for guide vanes, 83037
 Values for Various Metallic Materials
 aluminium, copper, magnesium and titanium alloys, and nickel steels and steels 00932 (MMDH)
 DC Used in Servomechanisms
 basic mathematical representation and transfer functions, 85026
 AC or DC Used in Servomechanisms
 basic mathematical representation and transfer functions, 85026
 For Use With Fans and Pumps
 see also
 BoatTailing
 Bodies of Revolution
 Forebody
 Centre of Pressure, Normal Force and Pitching Moment
 incidences to 90? and Mach numbers to 5, 89014, 90034
 Lift Distribution and Pitching Moment
 oscillating in bending, heave or pitch, 83010
 NormalForceCurve and PitchingMomentCurve Slopes
 zero incidence and Mach numbers to 5, 89008
 Pitching Moment Derivatives Due to Rate of Pitch and Acceleration in Heave
 low incidence and supersonic speeds, with or without boattailing and fins, 91004
 Planform Area and Its Centroid, 77028
 Sideforce at Mach Numbers Below 1.2 and Incidences Above 20?
 discussion of sources, 89014
 effect of Mach number and Reynolds number, 89014
 effect of nose blunting, 89014
 envelope of overall maximum with crossflow Mach number, 89014
 typical axial distribution, 89014
 Surface Area, Volume, and Nose or Tail Radius of Curvature, 77028
 Wave Drag on Truncated Conical or ParabolicArc
 effect of Mach number and geometry, AERO B.S.02.03.02
 Dynamic Response to Excitation
 Single Cylinder Normal to Flow
 Stress Analysis
 Wave Drag on Ducted Conical or ParabolicArc
 effect of Mach number and geometry, AERO B.S.02.03.02
 Introduction to Stress Analysis, STRUCT 03.06.00
 Under Internal Pressure
 bending moment, STRUCT 03.06.05
 All InPlane Loadings
 stress concentration factors, 80027
 Biaxial Loading
 stress concentration factors for circular and optimised shape holes in large plates, 15005
 stress decay from hole edge transverse to loading directions, 85045
 Uniaxial Loading
 stress concentration factors for circular and optimised shape holes in large plates, 15005
 stress decay from hole edge transverse to loading direction, 85045
 see also
 Flat Plates
 Use in Temperature Measurement
 Use in NonDestructive Examination for Flaws, 91027
 see also
 Aluminium Alloys
 Anodising
 Austenitic Stainless Steels
 Bolted Butt Joints with Cover Plates in Steels
 Bolted Double Lap Joints in Steels
 Bolted Doublers on Both Sides of Plate in Steels
 Bolted Joints
 Bonded DoubleStrap Joints in Clad Aluminium Alloys
 Bonded SingleLap Joints in Clad Aluminium Alloys
 Cams
 Chromium Plating
 Composite Structures
 Contact Phenomena
 Crack Propagation
 Cylinders of Circular Section (Strength and Vibration)
 Disc Springs
 Double Lock Nuts
 Elastohydrodynamic Lubrication
 Fretting Fatigue
 High Tensile Low Alloy Steels
 HighLoad Transfer Joints in Aluminium Alloys
 IntegrallyMachined Panels
 Joints
 Low Tensile Low Alloy Steels
 LowLoad Transfer Joints in Aluminium Alloys
 Lugs (Fatigue Strength)
 Lugs (Static Strength)
 Lugs (Stress Concentration Factors)
 Lugs (Stress Intensity Factors)
 Maraging Steels
 Martensitic Stainless Steels
 MediumLoad Transfer Joints in Aluminium Alloys
 Nuts
 Precipitation Hardening Stainless Steels
 Riveted Lap Joints in Aluminium Alloy Sheets
 Rolling Bearings
 Screw Threads
 Shafts with InterferenceFit Collars
 Shafts with Keyways
 Shot Peening
 SkinRib Joints in Aluminium Alloys
 SkinRib Joints in Titanium Alloys
 Splined Steel Shaft Assemblies
 Steels
 Studs
 Titanium Alloy (Ti4Al4Mo2Sn0.5Si)
 Titanium Alloy (Ti5Al2.5Sn)
 Titanium Alloy (Ti6Al4V)
 Titanium Alloy (Ti6Al6V2Sn)
 Vibration and Acoustic Fatigue Series
 Welded Attachments in Aluminium Alloys
 Welded Cover Plates on Steel IBeams
 Welded Joints in Steels
 Welded Longitudinal Joints in Aluminium Alloys
 Welded Longitudinal Joints in Steels Under Axial Loading
 Welded Stiffening Gussets on Steel IBeams
 Welded Tee Joints in Aluminium Alloys
 Welded Transverse Joints in Aluminium Alloys
 Welded Transverse Joints in Steels Under Axial Loading
 Welded Transverse Joints in Steels Under Bending
 Considerations in Improving
 attention to surface condition, 71009, 75022
 reduction of stress concentration, 71009, 75022
 reduction of stress range, 71009, 75022
 Cyclic StressStrain Curves, 11003
 Fatigue Under Constant Amplitude Loading
 calculation of stresses for finite life, 76014
 calculation of stresses for infinite life, 75022
 definition, 70016
 Fatigue Under Variable Amplitude Loading
 Size (Scale) Effect With or Without Stress Gradient, 87016
 StrainLife Data, 11003
 Surface Treatments of Steels to Improve
 advantages and limitations of various, 89031
 guidance on selection, 89031
 mechanical, 89031
 method by which residual stresses are induced, 89031
 thermal, 89031
 thermochemical, 89031
 see also
 Specific Endurance
 Effects of Wind on Optimum Cruise, 73018
 Introduction to Estimation, 73018, 80026
 PistonEngine Aircraft
 estimation of time (range, fuel) lost due to climb and descent, 77015
 TurboFan and TurboJet Aircraft
 correction of level flight data to cruiseclimb, 73019
 estimation for cruiseclimb, 73019
 estimation for various cruise flight conditions, 73019
 estimation of stage time (length, fuel), 73019, 74018, 74041
 estimation of time (range, fuel) lost due to climb and descent, 74018
 example of calculation of stage time, 74041
 TurboProp Aircraft
 estimation of time (range, fuel) lost due to climb and descent, 77015
 In Chemical Process Plants
 see also
 Flight Path Optimisation
 Engine station designations and definitions, 15001
 Failure
 Noise
 Rundown
 see
 Air
 see
 Jet Mixing
 Effect of Various on Fatigue Crack Propagation Rate
 aluminium alloy forgings, plate and sheet, 88007
 aluminiumlithium alloy plate and sheet, 91015
 high tensile low alloy steels, 93033
 titanium and titanium alloy plate and sheet, 90028
 Effect of Various on Fatigue Crack Propagation Rate (Short Cracks)
 high tensile low alloy steels, 93033
 Fatigue Strength of Transverse Welds in Aluminium Alloys
 in salt water, either shot peened or untreated, 19004
 Definition of Fixed Carrier Ratio, 83021
 Design for Assemblability, 83021
 Determination of Degrees of Freedom, 83021
 Efficiency Loss Due to Tooth Meshing, 83021
 Kinematic Calculation Methods With Worked Examples, 83021
 Power Flow Determination, 83021
 Reversibility, 83021
 Selection of Number of Planets, 83021
 Single Carrier Train
 graphs of achievable ratio and efficiency for 34 configurations, 83021
 Asymmetric Flight, 88006
 expressions for asymmetric thrust, lift/drag or mass, 88006
 simplifications for equilibrium flight conditions, 88006
 steady level sideslipping, turning or with failed engine, 01010
 Derivation for Rigid Body in Terms of Moving Axes, 78038
 Equilibrium for Flexible Aircraft in QuasiSteady Symmetric Manoeuvres
 using normal modes, 99033
 using orthogonal modes and assuming rigid fuselage, 97032
 For Response of Building or Structure
 in terms of modegeneralised parameters, 77032, 83009, 91001
 Introduction to Use in Aircraft Performance Estimation, 80026
 Rapid Rolling Manoeuvre, 67006
 Relationships Between Rates of Change of Attitude Angles and Aircraft Acceleration and Velocity
 using Euler angles or quaternion representation of attitude, 98024
 Representation of Aircraft Drag by Simple Laws
 parabolic either with minimum at zero or at finite lift, 81026
 Rigid Aircraft, 67003, 78038, 83024, 85029, 86021
 characteristics of roots, 86021
 separation into lateral and longitudinal motion sets, 86021
 simplifications, 86021
 statespace solution, 86021
 with vectoredjetthrust, 87037
 Simplified Forms for Use in Aircraft Performance Work, 80032
 application in flight path optimisation, 89015
 assumptions applied and consequential simplifications, 80032
 effect of assuming parabolic drag law, 80032
 instantaneous rate of climb for jet or propellerpowered aircraft, 92019
 Use in Analysis of FlightMeasured Performance Data, 79018
 Analysis of Data, 72014
 Program to Convert Values to Other Airspeed Definitions
 Acceleration Experienced in Climb at Constant, 81046
 values in Standard and OffStandard atmospheres, 81046
 Any Atmosphere
 variation with altitude and Mach number (speed in kn), 69026, 78017
 variation with altitude and Mach number (speed in m/s), 78017
 Definition, 69026, 86031
 Equations for Relationship With Calibrated Airspeed, 69026
 International Standard Atmosphere  0.5 to 32 km
 variation with altitude, Mach number and true airspeed (m/s), 78017
 International Standard Atmosphere  2 000 to 65 000 ft
 variation with altitude, Mach number and true airspeed (kn), 78017
 Measurement in Flight
 Program to Convert Values to Other Airspeed Definitions, 00031, 00032, 00033, 00034, 00035, 00036, 00037, 00038, 00039
 ScaleAltitude Correction, 69026
 see
 Roughness
 Definitions Used in UK and US for Propeller Installations
 discussion and derivation of expressions for, 85017
 Approximate Variation of Contribution to Airframe Drag With Altitude and Mach Number, 94044
 Checklist of Excrescences on Wide Range of Aircraft, 94044
 Discussion of Effect of Control or Flap Gaps on Wing Aerodynamic Characteristics, 92039, ASTEROID
 Discussion of Effect on Drag of Mismatch of Control or Flap and Wing Profiles, 92039, ASTEROID
 Discussion of Significance of Contribution to Overall Aircraft Drag, 90029
 Drag Increment Due to
 discussion of effect when located upstream of shock on lifting surface, 87004, ASTEROID
 Drag Increment Due to Chordwise and Spanwise Gaps
 sealed or unsealed round undeflected controls or flaps at low speeds, 92039
 Effect of Small Changes on SecondSegment Climb Schedule
 example of use of statistical analysis applied to measured data, 93023, ASTEROID
 Guidance on Contribution to Aircraft Drag From Manufacturing Imperfections, 94044
 Guidance on Contribution to Aircraft Drag From Various Features
 airconditioning system, 94044
 airdata system, 94044
 antennas, 94044
 auxiliary power unit, 94044
 beacons and lights, 94044
 control surface imperfections, 93032, 94044
 cooling/ventilation system, 94044
 fuel system, 94044
 rain dispersal systems (drains, gutters and windscreen wipers, etc), 94044
 static discharge wicks, 94044
 Guidance on Drag Improvement Possible by Airframe CleanUp, 94044
 Guidance on Overall Contribution to Aircraft Drag as Function of Wetted Area, 94044
 Interpretation of WindTunnel Drag Data Measured for Isolated on Tunnel Wall, 90029
 Introduction to Use of Data Items on Profile Drag Increment Due to Various Types, 90029
 Method to Calculate Momentum Thickness Increase Due to Transition Trip Using Sparsely Distributed Ballotini, 13013, ASTEROID
 Profile Drag Increment Due to Isolated on Flat Plate at Subsonic and Supersonic Speeds
 circular cavities in turbulent boundary layer, 74036, ASTEROID
 circularsection cylinders in turbulent boundary layer, 83025
 fairings with height comparable to turbulent boundary layer thickness, 84035
 fins with height comparable to turbulent boundary layer thickness, 84035
 forward facing steps (plain, chamfered or radiused) in turbulent boundary layer, 75031, ASTEROID
 rearward facing steps (plain, chamfered or radiused) in turbulent boundary layer, 75031, ASTEROID
 rectangular cavities in turbulent boundary layer, 79015, ASTEROID
 rectangular cavities in turbulent boundary layer with closed flow, 00006
 rectangular cavities in turbulent boundary layer with open or transitional flow, 00007
 rectangularsection grooves aligned, inclined or normal to turbulent boundary layer, 75028, ASTEROID
 rectangularsection ridges (plain or radiused) in turbulent boundary layer, 75031, ASTEROID
 sphericallyheaded rivets (individual) in turbulent boundary layer, 76008
 sphericallyheaded rivets (in single or staggered rows) in turbulent boundary layer, 76008
 squaresection ridges (plain) in turbulent boundary layer, 75031, ASTEROID
 Turbulent BoundaryLayer Profiles
 The estimation of turbulent boundary layer powerlaw velocity and q profiles from shape factor and momentum thickness, 18009
 Use of Data for Isolated on Flat Plate
 examples for typical excrescences on a transport aircraft wing, 93032, ASTEROID
 in aircraft situation, 90029, ASTEROID
 Viscous Fullpotential (VFP) Method for Three Dimensional Wings and Wingbody Combinations
 estimation of excrescence drag at subsonic speeds and analysis program, 23013
 see
 SimpleWave Flow
 Use in Analysis and Prediction of Extreme Wind Speeds, 87034
 Analysis of Records to Obtain Design Maxima With Known Confidence
 example using data for more than one storm mechanism, 88037
 example using maximum records from individual storms, 88037
 interpretation of records from mixed meteorological sources, 87034
 methods of correcting for height and terrain, 87034
 MonteCarlo methods, 87034
 use of extremevalue analysis (Gumbel and Lieblein), 87034
 Deduction From Records of Hours of Wind Exceeding Specific Values, 88038
 example of use, 88037
 Discussion of Meteorological Phenomena Leading to
 depressions, thunderstorms, tornadoes, tropical storms, 87034
 With ClearanceFit Pin Under Axial Loading
 stress concentration data, 81006