ESDU A-Z Index: PRE-PRH

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Precipitation Hardening Stainless Steels
see also
Steels
Fatigue Crack Propagation Rate
see also
Crack Propagation
characteristic slopes of plots against stress intensity factor, 84003
effect of alloy composition, 84003
effect of 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
Threshold Stress Intensity Factor Range, 84003
effect of mean stress (or stress ratio), 84003
Precision Rolling Bearings
see
Rolling Bearings for Specialised Applications
Predictor-corrector Methods
Solution of First-Order Differential Equations With Initial Conditions
formulae of various orders, 86011
Pre-entry Drag
see also
One-dimensional Flow
Definition, 81004
Rectangular External-Compression Double- or Single-Ramp Intakes
critical operation, 75005
Thrust-drag Accounting From Flight Test Data, 16003
Use to Define Upper Limit of Spillage Drag, 84004
Variation With Mach Number and Mass Flow Ratio
one-dimensional flow, 81024
Variation With Mach Number and Mass Flow Ratio for NACA 1-Series and Modified Axisymmetric Cowls
in inviscid flow at zero incidence, 94014
Pre-entry Thrust
see also
One-dimensional Flow
Thrust-drag Accounting From Flight Test Data, 16003
Turbo-Jet Engines
definition, 69006
Pre-load
see
Bolted Joints
Pressing
Advantages and Limitations as Method of Fatigue Strength Improvement in Steels, 89031
comparison with other possible surface treatments, 89031
Fatigue Strength Improvement
mechanism, 89031
Pressure
see
Ambient Pressure
Base Pressure
Centre of Pressure
Dynamic Pressure
Impact Pressure
Kinetic Pressure
Pressure Altitude
Pressure Coefficient
Pressure Correlation
Pressure Distribution
Total Pressure
Total Pressure Coefficient
Pressure Altitude
see also
Anemometric Data Correction
Geopotential Altitude
Definition, 68046, 78008
Pressure Coefficient
see also
Pressure Distribution
Absolute Minimum Value (Vacuum Limit), 95025, 96025, 98026, AERO W.S.02.03.02
Relationship to Local Mach Number and Local Velocity, 74013, 97017
Similarity Laws at Subsonic or Supersonic Speeds
in axisymmetric flow, 97025
Similarity Laws at Subsonic, Supersonic or Transonic Speeds
in two- or three-dimensional flow, 97025
Pressure Correction
see
Anemometric Data Correction
Pressure Correlation
Acoustic Loading
definition, 74037
Pressure Distribution
see also
Aerodynamic Loading
Indicial Aerodynamics
Unsteady Aerodynamics
Velocity Distribution
Aerofoil Design to Provide Specified Upper-Surface in Transonic Flow, 99032
Aerofoils
see also
Critical Conditions in Fluid Flow
bibliography of data at high subsonic speeds (Catalogue 5), TD MEMO 6407
comparison of experimental with calculated by viscous-coupled method, 92008
comparison of results from VGK with experimental results, with or without control deflection, 96028
comparison of results from VGK with results from other theories, 96028
design to obtain desirable features in transonic flow, 97017
estimation from shock-wave properties, AERO W.S.00.03.03, AERO W.S.00.03.05
estimation in inviscid subsonic flow, 72025, 79009
estimation in inviscid transonic flow, 79009
estimation in sonic free stream using graphical input, 69013, TD MEMO 6511
estimation in viscous subcritical flow by first-order method, 76002
estimation in viscous subsonic or transonic flow using VGK, 96028, 96029
estimation in viscous transonic flow, 81019
examples to assist in predicting excrescence drag magnification, 87004
for given drag-rise Mach number, 71019, 71020
inverse design of geometry to match target complete or partial distribution, 01025
methods of calculation in supersonic flow, AERO W.S.00.03.03
oscillating, or with an oscillating control, in subsonic flow, 81034
oscillating, or with an oscillating control, in supersonic flow, 82005
program to predict for low-drag GUNACA-series, 99003
use in prediction of shock-induced separation, 81020, 97030
use of computed to define separation boundary at transonic speeds, 81020, 92008
use of roof-top to inhibit transition and give low drag, 99003
use with boundary layer properties to define flow breakdown boundary at transonic speeds, 91021
variation with Mach number and angle of attack at transonic speeds, 90008
Aerofoils With Sealed Leading- and/or Trailing-Edge Controls or Flaps
effect of deflection in subsonic or transonic flow, 01033, 96028, 96029
Afterbody of Circular-Arc, Conical or Parabolic-Arc Shape at Zero Incidence (Long Afterbodies)
effect of supersonic Mach number and geometry, AERO B.S.05.03.01
with central jet (base pressure less than that at end of boat-tail), AERO B.S.05.03.01
Afterbody of Circular-Arc, Conical or Parabolic-Arc Shape at Zero Incidence (Short Afterbodies)
effect of supersonic Mach number and geometry, 00028
with central jet (base pressure less than that at end of boat-tail), AERO B.S.05.03.01
Blunt Nose
flat plates, AERO W.S.05.03.01
Derivation From Velocity Distribution
isentropic flow (Section 7.1), 73012, 78037
Estimation of Temperature Distribution From, 82018
Finite Length Rectangular-Section Cylinders Normal to Flow
average and variation over each face, 71016
surface-mounting effects, 71016
Finite Length Square-Section Cylinders Normal to Flow
average and variation over each face, 71016
effect of incidence in uniform approach flow, 71016
surface-mounting effects, 71016
Flat Circular Plate Normal to Flow
variation over both faces, 83020
Forebody
blunted conical at zero incidence in hypersonic or supersonic flow, 82018
blunted conical at zero incidence in subsonic or transonic flow, 83018
blunted ogival at zero incidence in subsonic flow, 82018, 83018
blunted ogival at zero incidence in transonic flow, 80008, 83018
blunted parabolic at zero incidence in transonic flow, 80008
conical at zero incidence in subsonic or transonic flow, 83018
ellipsoidal at zero incidence in hypersonic, subsonic or supersonic flow, 82018
ellipsoidal at zero incidence in transonic flow, 80008, 82018
flat-faced at zero incidence in hypersonic or supersonic flow, 82018
hemispherical at zero incidence in hypersonic or supersonic flow, 82018
hemispherical at zero incidence in subsonic flow, 82018, 83018
hemispherical at zero incidence in transonic flow, 80008, 82018, 83018
ogival at zero incidence in subsonic flow, 82018, 83018
ogival at zero incidence in supersonic flow, AERO B.S.05.03.01
ogival at zero incidence in transonic flow, 80008, 83018
spherically-curved at zero incidence in supersonic flow, 82018
NACA 1-Series and Modified Axisymmetric Cowls at Zero Incidence
variation with Mach number and mass flow ratio over forecowl in inviscid flow, 94015
Paraboloidal Antennas
effect of flow incidence, 83020
effect of focal length, 83020
variation over both faces, 83020
Surface-Mounted Circular-Section Cylinders
around sides, 81017
over top, 81017
Two-Dimensional Circular-Section Cylinders Normal to Flow
mean and fluctuating values at surface, 80025
Two-Dimensional Rectangular-Section Cylinders Normal to Flow
average and variation over each face, 71016
Two-Dimensional Square-Section Cylinders Normal to Flow
average and variation over each face, 71016
effect of incidence in uniform approach flow, 71016
Wings
conversion to local Mach number distribution normal to isobars, 75027
effects of cranks or notches (Section 8.3), 73012
interference effect of fuselage or other bodies (Section 8.4), 73012
subsonic flow, 73012
use with boundary layer properties to define flow breakdown boundary at transonic speeds, 91021
Pressure Drag
see also
Base Drag (without Blowing or Jet Efflux)
Base Drag with Central Propulsive Jet
Boundary Layer Lift Dependent Drag
Trailing Vortex Drag
Wave Drag
Aerofoils
estimation in sonic free stream using graphical input, 69013
estimation using VGK in subsonic or transonic flow, 96028, 96029
Circular-Arc or Parabolic-Arc Pointed Afterbody in Subsonic or Transonic Flow
effect of Mach number and geometry, 96012
Conical orTruncated Conical Afterbody in Subsonic Flow
effect of Mach number and geometry, 77020
effect of rounding after- to mid-body junction, 77020
Conical orTruncated Conical Afterbody in Transonic Flow
effect of Mach number and geometry, 78041
Contributions to and Methods of Estimation, 97016
Flat Plates Inclined or Normal to Flow
see
Normal Force
Flat Plates Parallel to Flow With Turbulent Boundary Layer
guide to alleviation of base drag, 10017
means of prediction, 10016
Forebodies in Hypersonic or Supersonic Flow at Zero Incidence
conical or blunted conical, 82028
flat-faced, hemispherical or spherically-curved with sharp shoulder, 82028
Forebodies in Hypersonic, Subsonic or Supersonic Flow at Zero Incidence
ellipsoidal or hemispherical, 80021
flat-faced with or without shoulder radius, 80021
Forebodies in Subsonic or Supersonic Flow at Zero Incidence
ogival or blunted ogival, 80021
Forebodies in Transonic Flow at Zero Incidence
conical, blunted conical or blunted ogival, 83017, 89033
NACA 1-Series and Modified Axisymmetric Cowls at Zero Incidence
variation with Mach number and mass flow ratio over forecowl in inviscid flow, 94014
Truncated Circular-Arc or Parabolic-Arc Afterbody in Subsonic Flow With Central Jet
annular base width greater than 0.05 base diameter, 02012
negligible annular base area, 01012
Truncated Circular-Arc or Parabolic-Arc Afterbody in Subsonic or Transonic Flow
effect of Mach number and geometry, 96012
Truncated Circular-Arc or Parabolic-Arc Afterbody in Supersonic Flow With Central Jet
base pressure less than pressure at end of boat-tail, 00026
Truncated (Circular-Arc Running into Conical) Afterbody in Subsonic Flow With Central Jet
negligible annular base area, 01012
Truncated Conical Afterbody in Supersonic Flow With Central Jet
base pressure less or greater than pressure at end of boat-tail, 00017
base pressure less than pressure at end of boat-tail, 00026
Truncated (Parabolic-Arc Running into Conical) Afterbody in Subsonic Flow With Central Jet
negligible annular base area, 01012
Pressure Drop Across Obstructions in Ducts
see also
Pressure Drop Across Tube Banks
Pressure Drop in Internal Flow
Blocks, Plates and Tubes
completely or partially spanning duct, 81021
derivation from free-air drag data, 80024, 81021
Gauzes of Round Wire With Rectangular or Square Mesh, 72009
Perforated Plates
in compressible flow, 82009
in incompressible flow, 81039, 82009
Spheres, 81021
Pressure Drop Across Tube Banks
see also
Pressure Drop in Shell-and-tube Heat Exchangers
High-Finned Tubes
comparison of predictions with experimental results, 86022
effect of geometry, 86022
effect of number of rows and tube arrangement, 86022
effect of variable fluid properties, 86022
single-phase gas or liquid flow through, 86022
Low-Finned Tubes
comparison of predictions with experimental results, 84016
effect of geometry, 84016
effect of number of rows and tube arrangement, 84016
effect of variable fluid properties, 84016
single-phase gas or liquid flow through, 84016
Plain Tube Banks in Axisymmetric Regular Configurations for General Use
by-pass effects, 74040
effect of number of tube rows, 74040
effect of tube pitch (transverse and longitudinal), 74040
inclination effects, 74040
inlet turbulence effects, 74040
Reynolds number effects, 74040
tube surface roughness effects, 74040
variable fluid property effects, 74040
Plain Tube Banks in Typical Shell-and-Tube Exchanger Lay-Outs
effects of tube pitch with equations, 79034
orientation effects with equations, 79034
Reynolds number effects with equations, 79034
square and triangular configurations (both normal and rotated), 79034
surface roughness effects with equations, 79034
variable fluid property effects with equations, 79034
Pressure Drop in Gas- or Vapour-liquid Internal Flow
see also
Boiling Flow in Pipes
Condensing Flow in Pipes
Two-phase (Gas- or Vapour-liquid) Flow
Bends, 89012
accuracy, 89012
effect of orientation, 89012
Discussion of Three Components, FMI2
Discussion of Variables Affecting Pressure Drop, FMI2
Friction Component in Circular-Section Straight Pipes (Horizontal Only)
Beggs and Brill Correlation Accuracy, 01014
Chenoweth and Martin Correlation Accuracy, 01014
Chisholm Correlation Accuracy, 01014
database used to establish accuracy of correlations, 01014
effect of fluid properties, mass velocity and quality, 01014
effect of roughness, 01014
estimation with chosen probability and confidence, 01014
Freidel Correlation Accuracy, 01014
homogeneous theory accuracy (four different methods of modelling viscosity), 01014
Lockhart and Martinelli Correlation Accuracy, 01014
Martinelli and Nelson Correlation Accuracy, 01014
Olujic Correlation Accuracy, 01014
selection of best correlation method according to flow pattern and quality, 01014
selection of best correlation method according to mass velocity and quality, 01014
Friction Component in Circular-Section Straight Pipes (Horizontal or Vertical)
Baroczy Correlation accuracy, 76018
Chenoweth and Martin Correlation accuracy, 76018
Chisholm Correlation accuracy, 76018
choking mass velocity for steam-water mixture, 76018
effect of condensation and evaporation, 76018
effect of fluid properties, mass velocity and quality, 76018
estimation with chosen probability and confidence, 76018
Friedel Correlation, 88014, 89039, 90024, 91023
homogeneous theory accuracy, 76018
Lockhart and Martinelli Correlation accuracy, 76018
Martinelli and Nelson Correlation accuracy, 76018
selection of best correlation method according to mass velocity and quality, 76018
Thom Correlation accuracy, 76018
Gravity Component in Circular-Section Straight Pipes
Armand Correlation accuracy, 77016
Beggs Equations accuracy, 77016
Chisholm Equation accuracy, 77016
drift-flux model with empirical correction, 88014
effect of evaporation, 77016
effect of fluid properties, mass velocity and quality, 77016
estimation with chosen probability and confidence, 77016
homogeneous theory accuracy, 77016
Hughmark Correlation accuracy, 77016
Lockhart and Martinelli Correlation accuracy, 77016
Premoli et al Correlation accuracy, 77016, 89039, 90024, 91023
selection of best correlation method for various conditions, 77016
Guide to Calculation Procedures, 78018
Guide to Use of Statistical Methods Prediction of Components, 01014, FMI2
Momentum Change Component
estimation using homogeneous theory, 78001, 88014, 89039, 90024, 91023
estimation using separated flow theory, 78001
guide to choice of appropriate estimation method, 78001
Orifice Plates, 89012
accuracy, and effect of flow orientation and regime, 89012
Reflux Condensers
discussion of available data, 89038
prediction methods, 89038
Sudden Contractions, 89012
accuracy, 89012
effect of flow regime, 89012
Sudden Expansions, 89012
accuracy, 89012
effect of flow regime, 89012
Valves (Diaphragm, Gate, Globe and Plug), 89012
accuracy, 89012
effect of flow orientation and regime, 89012
effect of part closure, 89012
Worked Examples, 78018
Pressure Drop in Internal Flow
see also
Annular Diffusers
Boiling Flow in Pipes
Condensing Flow in Pipes
Conical Diffusers
Diffusers
Ejectors
Fouling
Fouling in Combustion Plant
Fouling in Cooling Water Systems
Fouling in Crude Oil Distillation Plant
Heat Transfer
Plane-walled Diffusers with Single-plane Expansion
Pressure Drop Across Obstructions in Ducts
Pressure Drop in Gas- or Vapour-liquid Internal Flow
Pressure Drop in Non-newtonian Flow
Pressure Drop in Shell-and-tube Heat Exchangers
Roughness
Two-phase (Gas- or Vapour-liquid) Flow
Bends of Circular or Rectangular Section
circular-arc, 83037, 89012
composite- and single-mitre, 83037
effect of guide vanes, 83037
standard pipe fittings, 83037
Cocks, 69022
Coils
Archimedian, helical, helical Archimedian or spiral, 77029
Contraction of Section
see
Sudden Contractions in Ducts
Dampers for Flow Control, 81043
Definitions of Pressure Drop Coefficients, FMI1
Discussion of Calculation Procedure, 77009, FMI1
Effect of flow property profiles on pressure loss coefficients for incompressible fluids, TM 148
Effect of Randomly-Distributed Roughnesses
circular-arc bends, 83037
composite- and single-mitre bends, 83037
diffusers, 87015
estimation of heat transfer from friction factor for, 82021
straight ducts, 66027, 82021
Effect of Systematic Roughnesses in Straight Ducts
approximate expressions for friction factor with various tube inserts, 97007
calculation for various roughness types in various cross-section shapes, 82021
estimation of heat transfer from friction factor for, 82021
fins of trapezoidal- or triangular-section in turbulent flow, 79014
flow regimes, 79014
helical grooves or threads of various sections in laminar/turbulent flow, 79014
ribs of rectangular- or rounded-section in laminar/turbulent flow, 79014
ribs of rectangular- or rounded-section in turbulent flow, 82021
rounded- or truncated-pyramidal projections in turbulent flow, 79014
twisted tape inserts in laminar, transition or turbulent flow, 95027, 97007
use of data for annular- or rectangular-section in turbulent flow, 79014
Enlargement of Section
see
Diffusers
Sudden Expansions in Ducts
Flowmetering Devices, 66030
cylindrical tube orifices, 81039, 82009
orifice plates, 66030, 81039, 82009, 89012
Gauzes of Round Wire
rectangular mesh, 72009
square mesh, 72009
Intake Losses
see
Intakes
Interference Between Components
see also
Diffusers
effect of down and upstream conditions for annular diffusers, 75026, 76027
effect of down and upstream conditions for composite- or single-mitre bends, 83037
effect of down and upstream conditions for conical diffusers, 73024, 76027
effect of down and upstream conditions for plane-walled diffusers, 74015, 76027
effect of down and upstream conditions for single circular-arc bends, 83037
effect of downstream conditions for two bends in series, 77009
effect of upstream conditions for sudden enlargement of section, 72011
general discussion, FMI1
two bends in series, 77009
Introduction to Data Items on, FMI1
Junctions With Three Straight Legs of Circular- or Rectangular-Section
combining flows, 73023
dividing flows, 73022
Orifices (Cylindrical Tube)
in compressible flow, 82009
in incompressible flow, 81039, 82009
Orifices in Plates
in compressible flow, 82009
in incompressible flow, 66030, 81039, 82009, 89012
Perforated Plates
in compressible flow, 82009
in incompressible flow, 81039, 82009
Silencers
cylindrical with or without pod or rectangular splitter, 82002
Straight Circular-Section Pipes, 66027, 74029, 82021, FMI1
compressible adiabatic or isothermal flow, 74029
Straight Non-Circular Section Ducts, 66027, 82021
compressible adiabatic or isothermal flow, 74029
low-speed compressible flow equation, 74029, FMI1
Valves (Fully-Open)
diaphragm, gate, globe, or plug, 69022, 89012
Valves (Fully- or Partly-Open)
angle, 69022
butterfly, 69022
diaphragm, gate or globe, 69022
needle, 69022
poppet-type, 69022
stop or throttle, 69022
Y-type, 69022
Pressure Drop in Non-newtonian Flow
see also
Transition
Calculation in Laminar Flow, 91025, 95012
Bingham model, 91025
generalised Metzner-Reed model, 91025
Herschel-Bulkley model, 91025
power law model, 91025
program for calculation using Herschel-Bulkley or power law models
Calculation in Turbulent Flow, 91025, 95012
comparison of predictions with test results using various methods, 91025
effect of tube roughness, 91025
using Bowen model, 91025
using Dodge-Metzner model, 91025
Suggested Approach to Calculation in Transitional Flow Regime, 91025
Pressure Drop in Shell-and-tube Heat Exchangers
see also
Shell-and-tube Heat Exchangers
Baffled Shellside E- and J-Shells With Single-Phase Flow
calculation procedure, 83038
comparison of predictions with experimental results, 83038
Shell-and-Tube Condenser With Shellside Downflow Condensation
calculation procedure, 84023
Pressure Error
see
Anemometric Data Correction
Pressure Gradient
Magnification of Drag Due to Isolated Excrescence on Aerofoil
see
Excrescences
Pressure Loss
see
Annular Diffusers
Boiling Flow in Pipes
Condensing Flow in Pipes
Conical Diffusers
Diffusers
Ejectors
Fouling
Fouling in Combustion Plant
Fouling in Cooling Water Systems
Fouling in Crude Oil Distillation Plant
Heat Transfer
Plane-walled Diffusers with Single-plane Expansion
Pressure Drop Across Obstructions in Ducts
Pressure Drop Across Tube Banks
Pressure Drop in Gas- or Vapour-liquid Internal Flow
Pressure Drop in Internal Flow
Pressure Drop in Non-newtonian Flow
Pressure Drop in Shell-and-tube Heat Exchangers
Roughness
Sudden Contractions in Ducts
Sudden Expansions in Ducts
Two-phase (Gas- or Vapour-liquid) Flow
Pressure Measurement
In Flight for Altitude and Airspeed Determination
see
Anemometric Data Correction
Use in Gas Thermometry
see
Temperature Measurement
Pressure Recovery
see also
Diffusers
Intakes
Annular Diffusers, 75026
Axisymmetric Intakes in Subsonic Flow, 80037
Conical Diffusers in Compressible Flow, 90025
Conical Diffusers in Incompressible Flow, 73024
Flush Intakes with NACA Convergent-Divergent Planform, 86002
Flush Intakes with Rectangular Planform, 03006, 86002
Plane-Walled Diffusers With Single-Plane Expansion, 74015
Rectangular External-Compression Double- or Single-Ramp Intakes
critical operation, 75005
Scoop Intakes Immersed in Boundary Layer
with or without boundary layer diverters, 86002
Sudden Expansions of Ducts
single-phase flow, 72011
two-phase gas- or vapour-liquid flow, 89012
Pressure Spectrum Level
Definition, 66013
Pressure Transients in Gas (and Steam) Internal Flow
Estimation of Wave Speeds
circular pipes with various restraints or non-circular pipes, 83046
fluid and piping material properties for use in, 83046
Pipe Response to
see
Pipes with Internal Flow
Prediction of Maximum After Valve Closure
graphical method for constant cross section pipe with no friction, 86015
program including friction effects for any gas, 86015
wave-steepening effects, 86015
Pressure Transients in Liquid Internal Flow
Estimation of Wave Speed in Single-Phase Flow
circular pipes with various restraints or non-circular pipes, 83046
fluid and piping material properties for use in, 83046
graphs for water in various types and sizes of duct, 83046
rock tunnels lined and unlined, 83046
Estimation of Wave Speed in Two-Phase Flow
bubbly liquid/gas or liquid/solid flows, 83046
General Introduction to Prediction and Suppression, 84013
Pipe Response to
see
Pipes with Internal Flow
Prediction in Network With or Without Suppression After Pump Trip or Valve Closure
computer program, 87027
Prediction of Maximum After Pump Trip for Pump Anywhere in Pipeline
flow reversal time, 85044
graphical method for determination of pump inertia, 85044
graphical method for values at pump inlet and outlet, 85044
illustration of time dependency in pipeline, 85044
program for values along pipeline, 85044, 87027
pump run-down characteristics, 85044
Prediction of Maximum After Pump Trip for Pump at Upstream End
flow reversal time, 84013, 84038
graphical method for determination of pump inertia, 85044
graphical method for value at pump outlet, 84013, 84038, 85044
graphical method for values at all points along pipeline, 84038
illustration of time dependency in pipeline, 84038, 85009
program for values along pipeline, 84013
pump run-down characteristics, 84013, 84038, 85044
Prediction of Maximum After Valve Closure
graphical method for linear closure rate, 84013
program for any closure rate, 84013, 87027
Suppression
discussion of various methods, 84013
Suppression by Air Inlet/Outlet Valves
graphical method for air maximum inflow rate and cavity volume, 85009
guidance on use, 85009
illustration of time dependency in pipeline, 85009
minimum line pressure and air release time, 85009
program to investigate behaviour after pump trip, 85009, 87027
Suppression by Air Vessels
graphical method for estimating air vessel volume, 85009
program to investigate behaviour after pump trip or valve closure, 84013, 87027
Suppression by Pump By-Pass
graphical method for lapsed time between trip and by-pass opening or valve closure, 85044
graphical method for maximum and minimum pressure, 85044
graphical method for maximum by-pass flow rate, 85044
illustration of time dependency in pipeline, 85044
program to investigate behaviour after pump trip, 85044
Pressure Vessels
see
Cylinders of Circular Section (Strength and Vibration)
Cylinders of Circular Section with Flat Ends
Cylinders of Circular Section with Torispherical Ends
Preston's Criterion for Transition -
Pretension
see
Bolted Joints

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