ESDU A-Z Index: C-CH
- Discussion of Sources of Noise
- fuselage vibration, airborne noise transmission and structure-borne noise, 02020
- Effect of Cabin Altitude and Pressure Differential on Aircraft Operational Altitude, 94040
- Effect of Cabin Attitude and Pressure Limits on Optimisation of Complete Sortie (Climb, Cruise, Descent)
- examples for particular civil transport aircraft, 93021, 94016
- Effect of Cabin Pressure, Its Rate of Change, and Pressure Differential Limits
- on scheduled climb and descent profiles, 94040
- Guidance on Maximum Airflow Required for Cabin Conditioning, 94044
- Limits on Rate of Change of Cabin Pressure in Climb or Descent
- civil aircraft, 94040
- military aircraft, 94040
- Typical Fuselage Noise Transmission Loss Characteristics, 02020
- Dynamic Response to Turbulence and Wind
- Mean Forces and Pressures Due to Wind or Other Fluid Flows
- Dynamic and Kinematic Viscosity
- variation with temperature, 66024
- Use in Determining Position (Pressure) Error
- adjustment of measured pressure for height difference, 95024
- see also
- Indicated Airspeed
- Program to Convert Values to Other Airspeed Definitions
- Acceleration Experienced in Climb at Constant, 70023, 81046
- values in Off-Standard atmosphere, 81046
- values in Standard atmosphere, 70023, 81046
- Definitions, 69026, 86031
- Equations for Relationship With Equivalent Airspeed, 69026
- Equations for Relationship With Mach Number, 69026, 81046
- Equations for Relationship With Pressures, 69026, 86031
- Measurement in Flight
- Program to Convert Values to Other Airspeed Definitions, 00031, 00032, 00033, 00034, 00035, 00036, 00037, 00038, 00039
- Scale-Altitude Correction, 69026
- Variation With Impact Pressure, and With Mach Number and Pressure Altitude, 69026
- Accelerometer method for angle of attack, 17013
- Aerodynamic calibration of sensor, 17013, TM 190
- Calibration of Pressure Air Data Systems, 20006
- Energy height method for angle of attack, 17013
- Equating angle of attack to pitch angle, 17013
- In-flight calibration of an angle of attack sensor, 17013, TM 185
- INS/GPS method for angles of attack and sideslip, 17013, TM 185
- Design of Optimum Shape Using Multivariate Gradient Search and CFD Codes
- example study for single design point, 99020
- example study for two design points, 99021
- introduction to use of method, 99019
- use of high-lift device deflections to achieve, 00022, 00023, 01024, 99020, 99021
- Design to Match Target Pressure Distribution Using Multivariate Gradient Search and CFD Codes
- examples using complete and partial distributions, 01025
- Design to Provide Specified Upper-Surface Pressure Distribution Using VGKD
- transonic flow with or without weak shock, 99032
- Effect of Position of Maximum Along Aerofoil Chord
- on profile drag change due to deployment of single-slotted flap, 87005
- Effect on Flow Characteristics of GUNACA-Series Low-Drag Aerofoils
- program to predict, 99003
- Effect on Minimum Profile Drag of Aerofoils With Fixed Tansition
- variation with Mach number below drag rise, 00027
- Influence on Elevator Trim and Elevator Manoeuvre Margin for Flexible Wing, 96037
- Spanwise Distribution
- contribution to zero-lift pitching moment of wings, 87001
- effect on conditions for leading- or trailing-edge separation, 88030
- effect on lift-dependent drag of swept wings, 96025
- effect on maximum lift of wings without high lift devices, 89034
- effect on spanwise load distribution on wings by graphical method, 83040
- effect on trailing vortex drag with or without trailing-edge flaps deployed, 01007
- effect on zero-lift angle of attack of wings, 87031
- program for effect on spanwise load distribution on wings, 95010
- Calculation of Lubricant Film Thickness Using Elastohydrodynamic Lubrication Theory
- domed, flat-faced or roller translating or swingin follower, 00015, 94008
- guidance on use of program A0015, 00015
- guidance on use of program A9408, 94008
- lubricant entrainment velocity, 00015, 94008
- minimum thickness and/or values throughout complete rotation, 00015, 94008
- spring preload and rate to maintain contact, 94008
- Comprehensive Worked Examples of Design Using ESDU Items
- cognate cam with swinging roller follower, 85013
- disc cam using profile blending and spring loaded translating follower, 85013
- Design Guidance for Complete Cam/Follower System, 01002, 94017
- lubricant properties and selection of lubricant, 94017
- manufacturing methods and selection, 94017
- materials properties and selection of materials for cam and follower, 94017
- surface finish and treatments and their selection, 94017
- worked examples illustrating design and redesign process, 94017
- Design of Follower System and Selection of Type
- advantages and disadvantages of flat-faced, domed and roller, 82024
- calculation of dynamic and static load throughout complete rotation, 91026
- calculation of return spring preload and rate, 91026
- calculation of roller angular velocity throughout complete rotation, 91026
- discussion of modes of failure, 82024
- typical maximum loads and speeds for roller, 82024
- Designs Using Blended DRD Laws
- method of obtaining DRRD motion, opening and/or closing ramps, or precision point, 83027
- program for complete kinematic, stress and tribological analysis, 00015
- DRD Trigonometric Laws
- comparison of dynamic performance and torque characteristics of various, 82006
- criteria for, and guide to, selection, 82006
- database
- equations and curves for various, 82006
- methods of blending to obtain special motions, 83027
- summary and comparison chart of characteristics of various, 82006
- Driving Planar Multi-Bar Linkages
- method of modelling using OSMEC program, 97026
- Driving Torque
- variation through complete rotation, 00015
- DRRD Trigonometric Laws
- use of blending DRD laws to obtain, 83027
- Equations for Design of Disc Cams With Domed/Flat-Faced or RollerTranslating or Swinging Follower
- calculation of cutter path coordinates, 95001, ME2
- calculation of pressure angle, 95001, ME2
- calculation of profile coordinates and curvature, 95001, ME2
- checks for any cam/cutter or cam/follower interference, 95001
- derivation, ME2
- determination of direction of force components on follower, ME2
- instantaneous centre of rotation of cam and follower, ME2
- Failure
- discussion of critical stress conditions leading to, 93001
- due to wear, 94017
- prediction of critical maximum stresses due to follower contact, 00015, 93001
- Failure of Cam/Follower Mechanism
- guidance on symptoms with suggested redesign solutions, 01002
- Guide to Use of Data Items on Anlysis and Design of Cam/Follower Mechanisms, 01002
- Life of Roller Follower Needle Bearing
- estimation, 00015, 91026
- Period Ratio
- effect on peak acceleration, 82006
- Power
- variation of averaged driving throughout complete rotation, and total loss, 00015
- Precision Point
- achievement by blending DRD laws, 83027
- achievement with polynomial laws, 86026
- Prediction of Contact Stress and Force for Barrelled Roller Translating or Swinging Follower
- analysis of surface and sub-surface stesses throughout complete rotation, 00015
- cam-roller centre distance changes throughout complete rotation, 00015, 93001
- contact area dimensions throughout complete rotation, 00015, 93001
- effect of spring preload and rate, 00015, 93001
- guidance on use of program A0015, 00015
- guidance on use of program A9301, 93001
- maximum compressive stress and/or its variation throughout complete rotation, 93001
- spring preload and rate to maintain follower contact, 93001
- Prediction of Contact Stress and Force for Flat-Faced/Domed Translating or Swinging Follower
- analysis of surface and sub-surface stresses throughout complete rotation, 00015
- cam/follower separation changes throughout complete rotation, 00015, 94011
- contact area dimensions throughout complete rotation, 00015, 94011
- effect of spring preload and rate, 00015, 94011
- guidance on use of program A0015, 00015
- guidance on use of program A9411, 94011
- maximum compressive stress and/or its variation throughout complete rotation, 94011
- spring preload and rate to maintain follower contact, 94011
- Program for Complete Kinematic, Stress and Tribological Analysis, 00015
- Programs for Design of Disc Cams With Domed/Flat-Faced or Roller Translating or Swinging Follower
- calculation of cutter path coordinates, 00014, 95001
- calculation of pressure angle, 00014, 00015, 95001
- calculation of profile coordinates and curvature, 00014, 00015, 95001
- cam laws to define follower motion, 00014, 00015, 95001
- checks for any cam/cutter or cam/follower interference, 00014, 95001
- contact forces, 00014, 00015
- follower contact point excursion, 00014
- follower rise, velocity, acceleration and jerk, 00014, 00015
- guidance on use of OSCAM in design, 00014
- inclusion of follower inertia and spring loads, 00014
- input of external load, 00014
- input of follower motion by means of file for complete rotation, 00014
- installation of OSCAM, 00013
- output of profile to plotter or printer, 00014
- plotters and printers supported by OSCAM, 00013, 00014
- user manual for OSCAM, 00014
- Selection of Grooved or Ridged Body Closure, 82024
- Selection of Lubricant, 94017
- Selection of Manufacturing Method and Surface Treatment, 94017
- Selection of Material, Treatment and Finish, 94017
- Selection of Type for Swinging Motion of Follower
- cognate, disc or face (grooved or ridged), 82024
- concave globoidal, cylindrical (grooved or ridged) or end, 82024
- Selection of Type for Translating Motion of Follower
- cognate, disc or face (grooved or ridged), 82024
- conical, cylindrical (grooved or ridged) or end, 82024
- Temperature in Lubricant Film
- prediction of Blok flash rise throughout complete rotation, 00015
- Use of Polynomial Laws
- blending segments, 83027, 86026
- computer program to obtain minimum-order equation coefficients, 86026
- database of laws for various orders
- exponent manipulation to meet precision point conditions, 86026
- inertia torque for various 3- and 4-term equations, 86026
- minimum-order equations, 86026
- motion characteristics with various 3- and 4-term equations, 86026
- pressure angle with various 3- and 4-term equations, 86026
- Wear
- allowable stresses for cast or nodular iron or steel for given life, 94017
- pitting, polishing and scuffing mechanisms and symptoms, 94017
- surface treatments for resistance to, 86040, 94017
- Estimation of Minimum Dimensions for Single Cam Law Rise and Return, 83008
- Estimation of Minimum Dimensions for Single Cam Law Rise and Return, 83008
- Estimation of Minimum Dimensions for Single Cam Law Rise or Return, 82023
- Radial Follower
- blending to incorporate constant velocity component, 93002
- blending to incorporate intermediate precision point, 93002
- blending to reduce segment angle or reference circle radius, or increase lift, 92014
- effect of pressure angle on cam/follower contact force, 92005
- estimation of minimum dimensions for blended rise or return, 92014
- estimation of minimum dimensions for single cam law rise or return, 92005
- maximum pressure angle and position for various cam laws, 92005
- minimum pitch circle curvature for various cam laws, 92005
- Size for Given Pressure Angle
- effect of DRD cam law selected, 82006
- see also
- Indicial Aerodynamics
- Profile Drag of Fighter-Type, 67041
- Use in Temperature Measurement
- see
- Ceramics
- Forced Convection Heat Transfer in Ducts
- variable gas property effects, 81045, 92003, AERO 00.02.05
- Specific Heat Capacity Ratio
- temperature variation in gaseous state, AERO 00.01.08
- Use as Bearing Material With Fillers
- Use as Contact Seal in Reciprocating Applications, 83031
- Use as Filler in Polymer (With or Without Backing) Bearing Materials
- Molecular Vibrational Temperature, AERO 00.01.09
- Specific Enthalpy
- temperature variation in gaseous state, AERO 00.01.09
- Specific Heat Capacity at Constant Pressure
- temperature variation in gaseous state, AERO 00.01.09
- Specific Heat Capacity Ratio
- temperature variation in gaseous state, AERO 00.01.09
- Departure From for Practical Heat Engines and Pumps, 89001
- Definition, 69025
- Carburising, Carbonitriding, Nitriding or Nitrocarburising
- advantages and limitations, 86040, 89031
- comparative cost and wear resistance of case, 86040
- typical case depth, 86040, 89031, 94017
- typical hardness, 86040, 89031, 94017
- typical rate of case formation, 86040
- typical treatment temperature, 86040, 89031
- Effect on Failure Prediction in Loaded Contacts, 84017, 85007
- Effect on Fatigue Strength
- comparison with effect of mechanical or thermal surface treatments, 89031
- discussion of methods of improvement when component is subject to fretting, 90031
- guide to selection of appropriate treatment, 89031
- method by which compressive surface stresses arise, 89031
- splined steel shaft assemblies, 73002
- Influence on Spur and Helical Gear Design, 68040, 88033
- Use to Reduce Wear in Disc Cams
- possible treatments, hardness, size effect, and advantages and disadvantages, 94017
- Shear Strength, STRUCT 02.03.24
- Dynamic and Kinematic Viscosity
- temperature variation in liquid state, 66024
- Avoidance in Ejectors, 85032
- Onset Due to Fluid Transients in Pipelines
- prediction with pump trip, 83046, 84013, 84038, 85044, 87027
- prediction with valve closure, 83046, 84013, 87027
- suppression by air vessels, 84013, 85009, 87027
- suppression by inlet/outlet valves, 85009, 87027
- suppression by pump by-pass, 85044, 87027
- see also
- Excrescences
- Cavity Oscillations
- Predictions of on-third octave levels for flight conditions, 18011
- Circular Planform in Flat Plate With Turbulent Boundary Layer
- drag in subsonic, transonic or supersonic flow, 74036, ASTEROID
- Rectangular Planform in Flat Plate
- alleviation of unsteady flow by passive devices, 08012
- alleviation of unsteady flow effects - acoustic suppression using active devices, 09001
- alleviation of unsteady flow effects - store deployment, 09002
- alleviation of unsteady flow introduction to, 08011
- bibliography of references for aerodynamics and aero-acoustics of rectangular planform cavities, 16004
- Rectangular Planform in Flat Plate in Subsonic or Supersonic Flow (Time-Averaged Internal Flow)
- details of behaviour for a range of geometric and upstream boundary layer conditions, 02008
- Rectangular Planform in Flat Plate in Subsonic or Supersonic Flow (Unsteady Flow - Acoustics)
- details of behaviour for a range of geometric and upstream boundary layer conditions, 04023
- Rectangular Planform in Flat Plate With Turbulent Boundary Layer
- computer program for the estimation of the drag of a rectangular planform cavity, with or without doors, in a flat plate with a turbulent boundary layer for Mach numbers up to 3, 16007, ASTEROID
- conditions (geometry and Mach number) for closed flow, 00006, 02008, ASTEROID
- conditions (geometry and Mach number) for open and transitional flow, 00007, 02008, ASTEROID
- definition of closed, open and transitional flow, 00006, 00007, 02008, ASTEROID
- effect of doors on drag, 10016
- Rectangular Planform in Flat Plate With Turbulent Boundary Layer in Supersonic Flow
- conditions (geometry and Mach number) for transitional-closed flow, 02008
- conditions (geometry and Mach number) for transitional-open flow, 02008
- critical length-height ratio for change from transitional-closed to transitional-open flow, 02008
- shock wave behaviour under full range of conditions, 02008
- Rectangular Planform With Turbulent Boundary Layer and Closed Flow
- break-down of drag contributions between front and rear faces, 00006
- computer program for the estimation of the drag of a rectangular planform cavity, with or without doors, in a flat plate with a turbulent boundary layer for Mach numbers up to 3, 16007, ASTEROID
- drag in subsonic or supersonic flow, 00006
- effect of doors on drag, 10016
- effect of geometry and Mach number on drag, 00006
- effect of side-edge vortices on drag in supersonic flow, 00006
- Rectangular Planform With Turbulent Boundary Layer and Open or Transitional Flow
- computer program for the estimation of the drag of a rectangular planform cavity, with or without doors, in a flat plate with a turbulent boundary layer for Mach numbers up to 3, 16007, ASTEROID
- drag in subsonic or supersonic flow, 00007
- effect of doors on drag, 10016
- effect of geometry and Mach number on drag, 00007
- Use as a Means of Base Drag Alleviation
- flat plate with turbulent boundary layer, 10017
- see
- Rate of Climb
- see also
- Bodies of Revolution
- Bodies of General Cross Section
- elliptical, 05015
- square with corner rounding, 07005
- square without corner rounding, 04007
- triangular without corner rounding, 04007
- Elliptical-Section Cylinders Normal to Flow
- two-dimensional characteristics, 79026
- Flat Plates Inclined or Normal to Flow
- circular, 70015
- elliptical or semi-elliptical, 70015
- rectangular or square, 70015
- triangular, 70015
- Forebody-Cylinder With Boat-Tailing
- incidences to 90 deg and Mach numbers to 5, 87033, 89014, 90034
- Forebody-Cylinder Without Boat-Tailing
- incidences to 90 deg and Mach numbers to 5, 89014, 90034
- Isolated Surfaces
- spanwise position in supersonic flow, AERO A.S.06.03.04
- Movement of Tyre Footprint Centre of Pressure, TM 211
- Sharp-Edged Delta, Cropped Delta and Rectangular Wings of Low Aspect Ratio
- isolated in subsonic flow to high angles of attack, 95022
- Slender Wings
- in free air, 71006
- movement due to ground effect, 71007
- Surface-Mounted Blocks
- circular-section, 81017
- double-wedge- or triangular-section, 79026
- elliptical-section, 79026
- multi-sided circular-section, 79026
- rectangular- or square-section, 80003
- Wings With Camber and Twist
- program for chordwise and spanwise position in subsonic flow, 95010
- spanwise position in subsonic flow by graphical method, 83040
- Wings With Camber and Twist and With Plain Leading- and/or Trailing-Edge Flaps Deflected
- program for chordwise and spanwise position in subsonic flow, 95010
- Wings With Symmetric Sections
- spanwise position due to incidence in subsonic flow, TD MEMO 6403
- Comparison of Physical Properties With Those of Metals and Polymers, 84041
- Density and Melting or Softening Temperature, 84041
- Guidance on Friction Coefficient When Rubbing Against Ceramics, 89044
- Poisson's Ratio, 78035, 84041, 85027
- Thermal Conductivity and Expansion, and Specific Heat Capacity, 84041
- Use for Wear Resistance in Tribological Applications, 86040
- Use on Follower Face for Wear Resistance in Cam/Follower Mechanisms, 94017
- Young's Modulus, 78035, 84041, 85027
- see also
- Airworthiness Requirements
- Flexural Properties, STRUCT 01.00.01
- Primary Warping Constant and Shear Centre, 77023
- Primary Warping Constant and Shear Centre, 77023
- Flexural Properties, STRUCT 01.00.01
- Primary Warping Constant and Shear Centre, 77023
- For Static Stability of Flexible Aircraft, 96037
- for constant speed and for overall structural mode, 96037
- Linear System Response and Stability, 74019, 77032, 86021
- Linear System With Two Degrees of Freedom
- computer program to compute coefficients, 82037
- Use of Nyquist Diagram to Estimate Roots, 74021
- Use of Root-Locus Diagram to Show Behaviour of Roots as Coefficient Varies, 74020
- Method of, AERO B.S.02.03.01, AERO S.00.03.06
- see
- Stacks
- see
- Statistics
- 48 per cent Chlorine by Weight
- dynamic and kinematic viscosity, 66024
- see
- Sea Water
- Cylindrical Tube Orifices
- discharge coefficients and mass flow, 82009
- Gas- or Vapour-Liquid Mixtures
- estimation of maximum mass flow rate, 78018
- One-Dimensional Flow
- Orifice Plates
- discharge coefficients and mass flow, 82009
- Perforated Plates
- discharge coefficients and mass flow, 82009
- Round-Wire Gauzes, 72009
- effective porosity, 72009
- Steam-Water Mixtures
- maximum mass flow, 76018
- Sudden Contraction of Area With or Without Edge Rounding, 05024
- Bond Strength and Porosity, 86040
- Deposition Rate and Treatment Temperature, 86040
- Effect on Fretting Fatigue of Titanium Alloys, 88027
- Fatigue Limit and Strength Reduction of Steel Due to Electrodeposited, 86033
- discussion of causes, 86033
- effect of post-plating treatments (baking, grinding), 86033
- effect of pre-plating treatments (nitriding, rolling, shot-peening), 86033
- Typical Plating Conditions, 86033
- Use to Reduce Wear in Cam/Follower Mechanisms, 94017
- see also
- Rolling Moment
- C sub lp, C sub lr, C sub l beta, C sub l delta a, C sub l delta r (Rolling Moment Coefficient Derivatives in Customary US Usage)
-
- see
- Derivatives
- see also
- Pitching Moment
- C sub mq, C sub m alpha dot (Pitching Moment Coefficient Derivatives in Customary US Usage)
-
- see
- Derivatives
- C sub np, C sub nr, C sub n beta, C sub n delta a, C sub n delta r (Yawing Moment Coefficient Derivatives in Customary US Usage)
-
- see
- Derivatives
- C sub yp, C sub yr, C sub y beta, C sub y delta r (Sideforce Coefficient Derivatives in Customary US Usage)
-
- see
- Derivatives
- C sub zq, C sub z alpha (Z-Force Coefficient Derivatives in Customary US Usage)