ESDU A-Z Index: H-HZ
- 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 Cooper-Harper 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 Vapour-Liquid Internal Flow
- Pressure Drop in Internal Flow
- Pressure Drop in Shell-And-Tube Heat Exchangers
- Sudden Contractions in Ducts
- Sudden Expansions in Ducts
- Two-Phase (Gas- or Vapour-Liquid) Flow
- see also
- Condensing Flow Over Low-Finned 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 Forced-Free Convection Heat Transfer
- Pressure Drop Across Tube Banks
- Pressure Drop in Internal Flow
- Pressure Drop in Shell-And-Tube Heat Exchangers
- Roughness
- Shell-And-Tube 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 Two-Phase Fluids
- air-cooled, 92013, 94043
- double-pipe and printed circuit, 92013
- plate-and-frame, 95007
- plate-fin, 92013, 97006
- shell-and-tube, 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 Counter-Current Flow With Two Streams
- charts of thermal effectiveness for design/performance rating, 98005
- maximum heat transfer effectiveness, 98004
- prediction of temperature meet (cross) between counter-current 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 F-factor 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 Capillary-Driven, 80013
- advantages and disadvantages of various types of wick, 80013
- calculation of fluid fill required, 80013
- effect of underfill, 80013
- flat-plate types, 80013
- operating limits and their significance, 80013
- typical pressure distributions and liquid-vapour interface shapes, 80013
- use of figure of merit for working fluid, 80013
- variable conductance types, 80013
- Explanation of Operation of Two-Phase 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 Capillary-Driven, 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 Two-Phase Closed Thermosyphons, 81038
- boiling and sonic limits, 81038
- counter-current 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
- Start-Up and Shut-Down, 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 Low-Finned 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 Forced-Free Convection Heat Transfer
- Radiation Heat Transfer
- Reflux Condensers
- Refractory Lining Materials
- Roughness
- Shell-And-Tube 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 circular-section 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 circular-section cylinder, 78028
- Definition, 69025
- see
- Gears
- Rectangular- or Rounded-Section 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
- summary of available data, 23012
- 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
- summary of available data, 23012
- 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
- semi-range/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 Two-Dimensional Flow Using VGK
- plain sealed leading- and/or trailing-edge controls or flaps, 01033
- Derivatives With Control Deflection in Two-Dimensional 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 Three-Dimensional 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 Two-Dimensional 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 non-linear systems, 84032