ESDU A-Z Index: E-EZ
- Mechanical Vibration Characteristics for Use in Calculating Response
-
- see
- Buildings
- Use in Non-Destructive 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
- one-dimensional 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 shut-off, 85032
- geometric considerations, 85032
- losses in mixing duct, 85032
- losses in primary and secondary nozzles, 85032
- mechanical considerations, 85032
- off-design behaviour, 85032
- one-dimensional 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
- step-by-step procedure and flowchart, 85032
- typical characteristic and efficiency curves, 85032
- use of annular- or multi-nozzle arrangements, 85032
- use of approximate design method, 85032
- Design and Performance Prediction of Steam/Gas
- considerations in shut-down and start-up, 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
- one-dimensional equations for primary and secondary flows, 94046
- program to calculate flow conditions throughout given ejector, 94046
- program to optimise design, 94046
- shut-off limits, 86030, 94046
- steam supply conditions and vapour freezing, 86030
- typical operating characteristic, 86030, 94046
- use in multi-stages, 86030, 94046
- use of annular- or multi-nozzle arrangements, 86030, 94046
- Design and Performance Prediction of Steam/Liquid
- cavitation limit, 86030
- considerations in shut-down and start-up, 86030
- design method to obtain optimum using charts, 86030
- geometric considerations, 86030
- instability, 86030
- mechanical considerations, 86030
- noise and vibration considerations, 86030
- off-design behaviour, 86030
- shut-off limits, 86030
- steam supply conditions and vapour freezing, 86030
- typical operating characteristic, 86030
- use in multi-stages, 86030
- use of annular- or multi-nozzle arrangements, 86030
- vapour binding limit, 86030
- One-Dimensional 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 Three-Dimensional (or Point) Contact, 89045, 91038
- Determination of Film Thickness in Two-Dimensional (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
- Boat-Tailing
- 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
- Normal-Force-Curve and Pitching-Moment-Curve 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 boat-tailing 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 Parabolic-Arc
- 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 Parabolic-Arc
- 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 In-Plane 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 Non-Destructive 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 Double-Strap Joints in Clad Aluminium Alloys
- Bonded Single-Lap 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
- High-Load Transfer Joints in Aluminium Alloys
- Integrally-Machined Panels
- Joints
- Low Tensile Low Alloy Steels
- Low-Load Transfer Joints in Aluminium Alloys
- Lugs (Fatigue Strength)
- Lugs (Static Strength)
- Lugs (Stress Concentration Factors)
- Lugs (Stress Intensity Factors)
- Maraging Steels
- Martensitic Stainless Steels
- Medium-Load Transfer Joints in Aluminium Alloys
- Nuts
- Precipitation Hardening Stainless Steels
- Riveted Lap Joints in Aluminium Alloy Sheets
- Rolling Bearings
- Screw Threads
- Shafts with Interference-Fit Collars
- Shafts with Keyways
- Shot Peening
- Skin-Rib Joints in Aluminium Alloys
- Skin-Rib Joints in Titanium Alloys
- Splined Steel Shaft Assemblies
- Steels
- Studs
- Titanium Alloy (Ti-4Al-4Mo-2Sn-0.5Si)
- Titanium Alloy (Ti-5Al-2.5Sn)
- Titanium Alloy (Ti-6Al-4V)
- Titanium Alloy (Ti-6Al-6V-2Sn)
- Vibration and Acoustic Fatigue Series
- Welded Attachments in Aluminium Alloys
- Welded Cover Plates on Steel I-Beams
- Welded Joints in Steels
- Welded Longitudinal Joints in Aluminium Alloys
- Welded Longitudinal Joints in Steels Under Axial Loading
- Welded Stiffening Gussets on Steel I-Beams
- 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 Stress-Strain 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
- Strain-Life 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
- Piston-Engine Aircraft
- estimation of time (range, fuel) lost due to climb and descent, 77015
- Turbo-Fan and Turbo-Jet Aircraft
- correction of level flight data to cruise-climb, 73019
- estimation for cruise-climb, 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
- Turbo-Prop 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
- aluminium-lithium 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 Quasi-Steady Symmetric Manoeuvres
- using normal modes, 99033
- using orthogonal modes and assuming rigid fuselage, 97032
- For Response of Building or Structure
- in terms of mode-generalised 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
- state-space solution, 86021
- with vectored-jet-thrust, 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 propeller-powered aircraft, 92019
- Use in Analysis of Flight-Measured 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 Off-Standard 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
- Scale-Altitude 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 Second-Segment 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
- air-conditioning system, 94044
- air-data 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 Clean-Up, 94044
- Guidance on Overall Contribution to Aircraft Drag as Function of Wetted Area, 94044
- Interpretation of Wind-Tunnel 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
- circular-section 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
- rectangular-section grooves aligned, inclined or normal to turbulent boundary layer, 75028, ASTEROID
- rectangular-section ridges (plain or radiused) in turbulent boundary layer, 75031, ASTEROID
- spherically-headed rivets (individual) in turbulent boundary layer, 76008
- spherically-headed rivets (in single or staggered rows) in turbulent boundary layer, 76008
- square-section ridges (plain) in turbulent boundary layer, 75031, ASTEROID
- Turbulent Boundary-Layer Profiles
- The estimation of turbulent boundary layer power-law 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 Full-potential (VFP) Method for Three Dimensional Wings and Wing-body Combinations
- estimation of excrescence drag at subsonic speeds and analysis program, 23013
- see
- Simple-Wave 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
- Monte-Carlo methods, 87034
- use of extreme-value 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 Clearance-Fit Pin Under Axial Loading
- stress concentration data, 81006