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Jacks
Variation of Buckling Load With Geometry and Stiffness, STRUCT 01.01.24
Jet Engines
see
Jet Noise
Jet-vectoring
Noise Prediction for Aerospace Sources
Reheated Engines
Reverse Thrust
Turbo-fan and Turbo-jet Engines
Turbo-prop Engines
Jet/flap Interference
Effect on Aircraft Aerodynamic Characteristics of Underwing Efflux Flow With Multi-Slotted
drag and lift increment, 82034
pitching moment increment, 82034
thrust decrement, 82034
Jet Flow
see also
Jet Mixing
Jet Noise
Compressible Flow Equations and Curves
see
One-dimensional Flow
Diffusers
see
Flow Separation
Jet Mixing
see also
Afterbody
Base Drag with Central Propulsive Jet
Jet Noise
Subsonic Heated Jet Parallel to Freestream
axial and radial velocities, and jet boundaries, AERO A.08.01.09
Jet Noise
see also
Acoustic Absorption Coefficient
Acoustic Impedance
Atmospheric Effects on Sound
Ground Reflection Effect on Noise
Lateral Noise Attenuation
Noise/sound Propagation
Coaxial Static Subsonic Jet Far-Field
database for circular nozzle mixing, 11002
effect of distance from and angle to efflux plane, 11002
effect of primary jet velocity and velocity ratio, 11002
effect of primary nozzle area and area ratio, 11002
Introduction to Sources
jet mixing, shock (or shock-assiciated), and entropy, 02020
Prediction in Flight Using Data From Single-Stream Circular Static Nozzle
correction method for jet refraction, amplitude and frequency, 87011
structure of file used to link ESDU Noise Sub-series programs, 87011
Shielding Effect of Two Identical Single Stream Parallel Effluxes
effect of distance from and angle to efflux plane, 88023
effect of jet area and jet separation, 88023
effect of jet velocity, density and temperature, 88023
program predicting shielding level in one-third octave bands, 88023
Single-Stream Subsonic Static Jet Far-Field
database for circular nozzle mixing, 98019
definition of standard error (used to assess accuracy of prediction), 98019
effect of distance from and angle to efflux plane, 89041, 98019
effect of jet velocity and temperature, 89041, 98019
effect of nozzle area, 89041, 98019
graphical estimation method using model test database, 89041
method of smoothing used by prediction program in accessing database, 98019
method of weighting applied by prediction program in using database, 98019
structure of file used to link ESDU Aircraft Noise Series programs, 98019
Single-Stream Subsonic Static Jet Near-Field
database for circular nozzle subsonic mixing, 72002, 99006
database for circular nozzle supersonic mixing, 99006
definition of standard error (used to assess accuracy of prediction), 99006
effect of ambient conditions and nozzle diameter, 99006
effect of jet velocity and temperature, 99006
effect of location in noise field, 99006
estimation based on correlation of model test data, 72002
graphical estimation method, 72002
method of smoothing used by prediction program in accessing database, 99006
method of weighting applied by prediction program in using database, 99006
program for interpolation in or extrapolation of database, 99006
structure of file used to link ESDU Aircraft Noise Series programs, 99006
Typical Spectra of Jet Mixing and Shock-Associated Contributions, 02020
Jet Pumps
see
Ejectors
Jet-vectoring
see
Vectored-jet-thrust Aircraft
J-factor
see
Forced Convection Heat Transfer
Joint Nuts
see
Double Lock Nuts
Joint-probability Density Function
see
Turbulence Near Ground
Joint-probability Distribution
see
Statistics
Joints
Calculation of Forces on Multi-Bar Planar Linkages, 90022
equations and program for various types of four bar linkages, 90022
Fatigue Strength
see also
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
Fretting Fatigue
High-load Transfer Joints in Aluminium Alloys
Low-load Transfer Joints in Aluminium Alloys
Lugs (Fatigue Strength)
Lugs (Stress Concentration Factors)
Lugs (Stress Intensity Factors)
Medium-load Transfer Joints in Aluminium Alloys
Nuts
Riveted Lap Joints in Aluminium Alloy Sheets
Screw Threads
Studs
Welded Attachments in Aluminium Alloys
Welded Joints in Steels
Welded Longitudinal Joints in Aluminium Alloys
Welded Longitudinal Joints in Steels Under Axial Loading
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 calculation under variable amplitude loading, 95006
typical aircraft type in aluminium alloys, FAT E.05.01
Fatigue Strength Under Acoustic Loading
see also
Skin-rib Joints in Aluminium Alloys
Skin-rib Joints in Composite Structures
Skin-rib Joints in Titanium Alloys
considerations in design for, 86025
design of test specimens and test techniques under simulated loading, 93027
Heat Conduction Across, 78029, 97019
effect of pressure, 78029, 97019
Strength Analysis
see
Bolted Joints
Bolted Lap Joints
Bonded Double- or Single-lap Joints
Bonded Double-lap Joints
Bonded Joints
Bonded Single-lap Joints
Club-foot Fittings
Lap Joints
Lugs (Static Strength)
Studs
Transmission of Vibrational Power Between Coupled Curved or Flat Plates
efficiency for direct coupling or coupling through a beam, 98020
Journal Bearings
see also
Dry Rubbing Bearings
Estimation of Equilibrium Temperature Rise
see
Self-contained Bearing Assemblies
Externally-Pressurised (Hydrostatic) With Capillary-Restrictor Control in Laminar Operation
assessment of flow regime, 92026, 92037
avoidance of cavitation, 92026, 92037
bearing width to meet overload and stiffness requirements, 92026, 92037
capillary and rectangular recess dimensions, 92026, 92037
choice of supply pressure, 92026, 92037
determination of possible bearing induced instability, 92026, 92037
prediction of bearing temperature, 92026, 92037
prediction of eccentricity, 92026, 92037
prediction of lubricant flow rate, 92026, 92037
prediction of power loss, 92026, 92037
recommended diametral clearance, 92026, 92037
Guide to Choice of Type
from load, speed and environmental considerations, 65007
Materials for Hydrodynamic for Industrial Machine Applications
ability to embed particles, 88018
alloys and forms available, 88018
causes of contact and effect on life, 88018
compatibility with counterface material, 88018
hardness and compatibility with counterface hardness, 88018
maximum load, 88018
maximum operating temperature, 88018
relative fatigue strength, 88018
selection procedure to meet operating requirements, 88018
Oil-Lubricated Hydrostatic
sketch of typical variation of friction coefficient with load and speed, 89044
Oil-Lubricated Pressure-Fed Hydrodynamic, Axial Grooves in Laminar Operation
choice of bearing dimensions, 84031, 93005
choice of groove dimensions, 84031, 93005
design and analysis procedure, 84031
linearised damping coefficients for use in rotor response and stability analysis, 95023
linearised stiffness coefficients for use in rotor response and stability analysis, 95023
maximum allowable temperature, 84031, 93005
minimum allowable film thickness, 84031, 93005
prediction of bearing maximum temperature, 84031, 93005
prediction of eccentricity ratio and film thickness, 84031, 93005
prediction of lubricant film effective temperature, 84031
prediction of lubricant film maximum temperature, 84031, 93005
prediction of lubricant flow rate and power loss, 84031, 93005
prediction of non-laminar flow, 84031
sketch of typical variation of friction coefficient with load and speed, 89044
Prediction of Transition From Laminar to Superlaminar Operation, 85028
Pressure-Fed Hydrodynamic, Axial Grooves in Superlaminar Operation
prediction of bearing maximum temperature, 85028, 93005
prediction of eccentricity ratio and film thickness, 85028, 93005
prediction of lubricant film effective temperature, 85028
prediction of lubricant film maximum temperature, 85028, 93005
prediction of lubricant flow rate and power loss, 85028, 93005
Pressure-Fed Hydrodynamic, Circumferential Groove in Laminar Operation
bearing-induced instability, 90027, 93004
choice of bearing dimensions, 90027, 93004
choice of groove dimensions, 90027, 93004
design and analysis procedure, 90027
maximum allowable temperature, 90027, 93004
minimum allowable film thickness, 90027, 93004
prediction of bearing maximum temperature, 90027, 93004
prediction of eccentricity ratio and film thickness, 90027, 93004
prediction of lubricant film effective temperature, 90027
prediction of lubricant film maximum temperature, 90027, 93004
prediction of lubricant flow rate and power loss, 90027, 93004
Process-Fluid Lubricated Pressure-Fed Hydrodynamic, Axial Grooves in Laminar/Superlaminar Operation
choice of bearing dimensions, 84031, 85028, 93006
choice of groove dimensions, 84031, 85028, 93006
design procedure following Item No. 84031 or 85028, 86008
linearised damping coefficients for use in rotor response and stability analysis, 95023
linearised stiffness coefficients for use in rotor response and stability analysis, 95023
material combinations for use with particular process fluids or water, 86008
maximum allowable temperature, 84031, 85028, 93006
minimum allowable film thickness, 84031, 85028, 93006
minimum clearance ratio for initial design, 86008
prediction of eccentricity ratio and film thickness, 84031, 85028, 93006
prediction of lubricant film maximum temperature, 84031, 85028, 93006
prediction of lubricant flow rate and power loss, 84031, 85028, 93006
principal design considerations, 86008
requirements for lubricant filtration, 86008
JP4
Typical Values of Dynamic Viscosity, 66024
Typical Values of Kinematic Viscosity, 66024
Jump Resonance
Non-Linear Systems
use of describing functions to predict, 84032
Junctions in Ducts
see also
Noise in Air-conditioning Duct Systems
Three Straight Legs of Circular or Rectangular Section
pressure drop in combining flows, 73023
pressure drop in dividing flows, 73022

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