ESDU AZ Index: HHZ
 Consideration of Flight Phases in Relation to, 92006
 Definition of Controllability, 92006
 Definition of Manoeuvrability, 92006
 Discussion of Piloting Techniques, 92006
 Division of Aircraft Types Into Classes in Relation to, 92006
 Pilot Opinion Ratings and CooperHarper Scale, 92006
 Requirements for Stick Force and Stick Force Gradient
 military aircraft, 92006
 Internal Flow

 see
 Boiling Flow in Pipes
 Condensing Flow in Pipes
 Fouling
 Fouling in Combustion Plant
 Fouling in Cooling Water Systems
 Pressure Drop Across Obstructions in Ducts
 Pressure Drop Across Tube Banks
 Pressure Drop in Gas or Vapourliquid Internal Flow
 Pressure Drop in Internal Flow
 Pressure Drop in Shellandtube Heat Exchangers
 Sudden Contractions in Ducts
 Sudden Expansions in Ducts
 Twophase (Gas or Vapourliquid) Flow
 see also
 Condensing Flow Over Lowfinned Tubes
 Crossflow Heat Exchangers
 Forced Convection Heat Transfer
 Fouling
 Fouling in Combustion Plant
 Fouling in Cooling Water Systems
 Free Convection Heat Transfer
 Heat Pipes
 Mixed Forcedfree Convection Heat Transfer
 Pressure Drop Across Tube Banks
 Pressure Drop in Internal Flow
 Pressure Drop in Shellandtube Heat Exchangers
 Roughness
 Shellandtube Heat Exchangers
 Advantages and Limitations of Various Types, 92013, 95007
 Criteria for Selection for Given Duty, 92013
 Design of Process Plant Network to Minimise Utility Use
 using process integration, 87030, 90033
 Detailed Cost Data for Various Types With Single or TwoPhase Fluids
 aircooled, 92013, 94043
 doublepipe and printed circuit, 92013
 plateandframe, 95007
 platefin, 92013, 97006
 shellandtube, 92013, 94042
 use in selection of heat exchanger type for given duty, 92013
 Discussion of General Characteristics of Various Types, 92013, 95007
 Enhancement of Performance by Added Roughness
 Pure Co or CounterCurrent Flow With Two Streams
 charts of thermal effectiveness for design/performance rating, 98005
 maximum heat transfer effectiveness, 98004
 prediction of temperature meet (cross) between countercurrent flows, 98005
 Selection Procedure for Given Duty
 based on cost and hydraulic and thermal performance, 92013
 Thermal Effectiveness  NTU Method for Design and Performance Rating
 analytical and graphical data for various types/configurations, 98005
 applicability, assumptions and limitations, 98003
 comparison of maximum heat transfer effectiveness for various types/configurations, 98004
 comparison of method with Ffactor methods, 98003
 comparison of thermal performance of various types/configurations, 98004
 conditions for 95 per cent maximum thermal effectiveness for various types/configurations, 98005
 conditions for temperature meet (cross) for various types/configurations, 98005
 definition of thermal capacity ratio, 98003
 definition of thermal effectiveness and number of heat transfer units, NTU, 98003
 derivation of basic equations and introduction to method, 98003
 modelling techniques for deriving data for various types, 98007
 use in selecting appropriate type/configuration, 98004, 98006
 worked examples of case studies for selection of appropriate type/configuration, 98006
 see also
 Heat Exchangers
 Wicks of Small Pore Size
 Discussion of Types and Methods of Fluid Circulation, 80013
 Effects of Acceleration and Vibration, 80013
 Explanation of Operation of CapillaryDriven, 80013
 advantages and disadvantages of various types of wick, 80013
 calculation of fluid fill required, 80013
 effect of underfill, 80013
 flatplate types, 80013
 operating limits and their significance, 80013
 typical pressure distributions and liquidvapour interface shapes, 80013
 use of figure of merit for working fluid, 80013
 variable conductance types, 80013
 Explanation of Operation of TwoPhase Closed Thermosyphons, 80013, 81038
 calculation of fluid fill required, 80013, 81038
 operating limits and their significance, 80013, 81038
 use of figure of merit for working fluid, 80013, 81038
 Figure of Merit for Various Working Fluids for  60 ?C to 300 ?C, 80017
 Guidance on Selection in Preference to Other Heat Exchanger Types, 92013
 Introduction to Items on Performance Estimation, 80013
 Materials Compatibility
 detailed summary of performance of various material/fluid combinations, 80013
 general considerations, 80013
 Performance Estimation of CapillaryDriven, 79012
 boiling, circulation, entrainment, and sonic limits, 79012
 overall thermal resistance, 79012
 pressure drop through components, 79012
 vapour pressure or viscous limit, 79012
 Performance Estimation of TwoPhase Closed Thermosyphons, 81038
 boiling and sonic limits, 81038
 countercurrent flow limit, 81038
 effect of hydrostatic head on temperature for vertical, 81038
 internal thermal resistance, 81038
 liquid fill necessary to avoid dryout, 80013, 81038
 Response to Step Change in Heat or Temperature Input, 80013
 Safety Considerations, 80013
 StartUp and ShutDown, 80013
 Typical Applications, 80013
 Use as Thermal Diode or Thermal Switch, 80013
 see also
 Heat Pipes
 see
 Nickel Steels
 see also
 Aerodynamic Heating
 Boiling Flow in Pipes
 Condensing Flow in Pipes
 Condensing Flow Over Lowfinned Tubes
 Crossflow Heat Exchangers
 Cylinders of Circular Section (Strength and Vibration)
 Falling Film Evaporation
 Flat Rectangular Heated Plates
 Forced Convection Heat Transfer
 Free Convection Heat Transfer
 Heat Exchangers
 Heat Pipes
 Mixed Forcedfree Convection Heat Transfer
 Radiation Heat Transfer
 Reflux Condensers
 Refractory Lining Materials
 Roughness
 Shellandtube Heat Exchangers
 Spherical Shells of Laminated Construction
 Calculation of Runway Temperature from Ambient Pressure and Ambient Temperature, TM 188
 Coils of Various Geometries
 effect of variable fluid properties on pressure drop, 77029
 Definitions, 89022
 Effect on Skin Friction
 laminar boundary layer, 68019
 turbulent boundary layer, 68020
 Forced, Free and Mixed Convection
 regimes in crossflow over circularsection cylinder, 69004
 regimes in duct flow, 92003
 To or From Various Elementary Components of Use in Calculation of Bearing Temperature
 along bars, cylinders, shafts and truncated cones, 78028
 from edges of hole in plate, 78028
 radially from disc, 78028
 radially through hollow circularsection cylinder, 78028
 Definition, 69025
 see
 Gears
 Rectangular or RoundedSection in Straight Pipes
 Buckling Under Compression Including Effect of End Restraint, 82008
 Design Guidance
 compression spring buckling avoidance, 83003
 consideration of cost versus reliability, 83003
 corrosion avoidance and surface protection, 83003
 effect of eccentric loading on compression springs, 83003
 effect of prestressing (scragging) on compression springs, 83002, 83003
 effects of surface finish and treatment, 83003
 end form design of compression springs, 83003
 end hook design of tension springs, 83003
 optimum design, 83003
 specification of tolerances, 83003
 Diameter Increase Under Compression, 82012
 Effect of Cyclic Loads on Stresses, 82008
 surging and estimation of damping, 82008
 Estimation of Fatigue Strength
 effect of abrasive cleaning, 83002
 effect of corrosion, 83002
 effect of low temperature heat treatment, 83002
 effect of prestressing (scragging), 83002, 83003
 effect of shot peening, 83002, 89031
 Goodman diagrams for steels and other alloys to BS or ASTM Standards, 83002
 Glossary of Terminology, 83003
 Manufacturing Requirements
 specification sheet, 83003
 Materials Data for Use in Selection, 83002
 steels and other alloys for precision springs for high/low temperatures, 83003
 Maximum Bending Stress in End Hooks Under Tension, 82008
 allowable values for steels and other alloys to BS or ASTM Standards, 83002
 Maximum Stresses Under Compression, 82008
 allowable values for steels and other alloys to BS or ASTM Standards, 83002
 Nested in Parallel (Concentrically)
 clearance between springs, 82012
 design notes, 82012
 determination of spring index, 82012
 example of design process, 82012
 maximum volumetric efficiency, 82012
 reasons for using, 82012
 use to replace single spring to reduce stresses, 82012
 Nested in Series (Telescopically)
 example of design process, 82012
 reasons for using, 82012
 Nominal Solid Length, 82008
 Shot Peening
 effect on compressive stress, 19003
 effect on fatigue loading, 19003
 effect on relaxation, 19003
 Special Designs
 notes on conical compression and variable pitch, 83003
 Spring Rate or Stiffness, 82008
 Stress Increase Due to Helix Warping for Short Springs, 82008
 Stress Increase Due to Transverse Load, 82008
 Forced Convection Heat Transfer in Ducts
 variable gas property effects, 81045, 92003, AERO 00.02.05
 see
 Forebody
 Fatigue Crack Propagation Rate in High Chromium, Manganese and Nickel

 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
 Threshold Stress Intensity Factor Range for High Chromium, Manganese and Nickel, 84003, 84003
 effect of mean stress (or stress ratio), 84003
 see also
 Fretting Fatigue
 see also
 Steels
 Fatigue Crack Propagation Rate

 see also
 Crack Propagation
 characteristic slopes of plots against stress intensity factor, 17003
 effect of corrosive and other environments, 93033
 effect of mean stress (or stress ratio), 17003
 effect of tensile strength, 17003
 Fatigue Crack Propagation Rate (Short Cracks), 93033
 effect of alloy composition, 93033
 effect of corrosive and other environments, 93033
 effect of mean stress (or stress ratio), 93033
 Fatigue Limit Under Axial Loading
 effect of mean stress for unnotched specimens, 88008
 effect of notch size and type, 74016
 probability of attainment for unnotched specimens, 88008
 relationship with tensile strength for notched specimens, 74016
 relationship with tensile strength for unnotched specimens, 88008
 semirange/mean stress diagram, 88008
 Fatigue Limit Under Bending
 effect of notch size and type, 74016
 probability of attainment for unnotched specimens, 88008
 relationship with tensile strength for notched specimens, 74016
 relationship with tensile strength for unnotched specimens, 88008
 Fatigue Limit Under Tension
 probability of attainment for unnotched specimens, 88008
 relationship with tensile strength for unnotched specimens, 88008
 Fatigue Strength Under Bending
 effect of notches, 71027
 relationship with tensile strength, 71027
 Fracture Toughness
 values at room temperature, 17003
 variation with temperature, 83023
 Threshold Stress Intensity Factor Range, 17003
 effect of mean stress (or stress ratio), 17003
 Calculation in Subsonic or Transonic TwoDimensional Flow Using VGK
 plain sealed leading and/or trailingedge controls or flaps, 01033
 Derivatives With Control Deflection in TwoDimensional Flow, AERO C.04.01.02
 effect of Irving internal balance, AERO C.04.01.04
 effect of nose balance, AERO C.04.01.03
 Derivatives With Incidence and Control Deflection in ThreeDimensional Flow
 effect of tab, including gap effects, AERO C.04.01.08
 example calculation, including balance and tab effects, 89010
 increments due to shielded or unshielded horn balances, 88003
 swept surface with part span control and constant spanwise properties, 89009
 unswept surface with part span control and varying spanwise properties, AERO C.04.01.06
 Derivatives With Incidence in TwoDimensional Flow, AERO C.04.01.01
 effect of Irving internal balance, AERO C.04.01.04
 effect of nose balance, AERO C.04.01.03
 Introduction to Data Items on Estimation, AERO C.04.01.00
 Frise ailerons, AERO C.04.01.00
 gap effects, AERO C.04.01.00
 linear range, AERO C.04.01.00
 Effect of Wind With Shear and Tubulence
 centre of pressure, and mean and peak forces and overturning moments, 89050
 Aerodynamic and Flow Characteristics
 Cold Working to Improve Fatigue Strength in Steels
 general discussion, 89031
 lugs, 77017, 82022
 Effect on Buckling in Shear of Square Plates
 Stress Concentration Data

 see
 Adjacent Circular Holes in Flat Plates
 Circular Holes in Bars or Strips
 Circular Holes in Flat Plates
 Circular Holes in Orthotropic Plates
 Circular Holes in Round Rods and Tubes
 Countersunk Holes
 Elliptical Holes in Flat Plates
 Rectangular Holes in Flat Plates
 Reinforced Circular Holes in Flat Plates
 Reinforced Circular Holes Near Edge of Flat Plates
 Reinforced Elliptical Holes in Flat Plates
 Reinforced Square Holes with Rounded Corners in Flat Plates
 Reinforced Triangular Holes in Flat Plates
 Slots in Bars or Strips
 Square Holes with Rounded Corners in Flat Plates
 Stress Concentration
 Triangular Holes with Rounded Corners in Flat Plates
 Modal Density, 11008
 see
 Hinge Moment
 Mean Forces Due to Wind or Other Fluid Flows
 Strength Analysis
 see
 Tropical Storms
 Variation of Buckling Load With Geometry and Stiffness, STRUCT 01.01.24
 Forced Convection Heat Transfer in Ducts
 variable gas property effects, 81045, 92003, AERO 00.02.05
 see also
 Journal Bearings
 Illustrative Sketches of Curves for Use in Curve Fitting or Data Analysis, 01011
 Determination of Airspeed and Mach Number in Flight
 using measured static pressure, 88025
 using static pressure deduced from ambient temperature and lapse rate, 88025, 93020
 Similarity Law for Bodies of Revolution, AERO B.S.02.03.01, AERO B.S.05.03.01
 Representation by Describing Functions
 analysis of nonlinear systems, 84032
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