# ESDU A-Z Index: **O-OZ**

- see
- Shock Waves

- Centre of Pressure and Pitching Moment With or Without Nose Blunting
- applicability of method of estimation for any smoothly-curved forebody, 89014
- incidences to 90? and Mach numbers to 5, 89014, 90034
- Lift Distribution and Pitching Moment
- oscillating in bending, heave or pitch, 83010
- Normal-Force-Curve Slope
- applicability of method of estimation for any smoothly-curved forebody, 89008
- zero incidence and Mach numbers to 5, 89008
- Normal Force With or Without Nose Blunting
- applicability of method of estimation for any smoothly-curved forebody, 89014
- incidences to 90 degrees and Mach numbers to 5, 89014, 90034
- Pitching-Moment-Curve Slope
- zero incidence and Mach numbers to 5, 89008
- Pitching Moment Derivatives Due to Rate of Pitch and Acceleration in Heave
- low incidence and supersonic speeds, with or without boat-tailing and fins, 91004
- Planform Areas and Their Centroids, 77028
- Sideforce at Mach Numbers Below 1.2 and Incidences Above 20?
- discussion of sources (applicable to any smoothy-curved forebody), 89014
- effect of Mach number and Reynolds number, 89014
- effect of nose blunting, 89014
- envelope of overall maximum with crossflow Mach number, 89014
- typical axial distributions, 89014
- Surface Areas, Volumes and Nose Angles or Radii of Curvature, 77028

- see also
- Forebody
- Ogive Cylinders

- see
- Fuel Oils

- Dynamic and Kinematic Viscosity
- temperature variation in liquid state, 66024

- see also
- Ejectors

- Adiabatic
- definition, 74029, AERO S.00.03.06
- Adiabatic or Isothermal Compressible in Straight Ducts
- approximation of real conditions, 74029
- effect of friction on choking conditions, 74029
- equations for, 74029
- solution of, 74029
- Air in Dissociation Equilibrium
- solution using Mollier chart, AERO S.00.03.27
- Analysis Applied to Estimation of Engine Forces
- internal drag, 81009
- pre-entry drag (force), 81004, 84004
- thrust, 67035, 69008
- Applicability to Real Flow, 74029
- Choking Conditions
- area ratio in isentropic, 67035, 74028, AERO S.00.03.06
- effect of friction in adiabatic or isothermal, 74029
- entry Mach number to duct, 81004
- mass flow parameters in isentropic, 67035, 69008, 81004, FMI1
- mass flow ratio (freestream/duct inlet), 81004
- pressure ratio in isentropic, 67035, 69008, 74028
- temperature ratio in isentropic, 74028
- Forces Due to, 67035, 69008, 81004, 81009
- Generalised Compressible Flow Equations, FMI1
- Isentropic
- approximation of real conditions, 74028
- basic thermodynamic properties, AERO S.00.03.06
- calorically imperfect diatomic gas, AERO S.00.01.10
- perfect air, 69026, 74028, AERO 00.03.05
- perfect gas, 67035, 69008, 74028, 81004, 97017, AERO S.00.03.06, AERO S.00.03.07, FMI1
- real air, 73017
- Jet Flow Parameters, 67035, 69008
- Mass Flow Functions
- variation with Mach number and specific heat capacity, 74028, 81004
- variation with pressure ratio and specific heat capacity, 67035, 69008, FMI1
- Moments Due to, 81004
- Momentum Function
- variation with Mach number and specific heat capacity, 81004
- variation with pressure ratio and specific heat capacity, 67035, 69008
- Stagnation Conditions as Function of Mach Number
- calorically imperfect diatomic gas, AERO S.00.01.10
- perfect air, 69026, 74028, AERO 00.03.05
- perfect gas, 74028, AERO S.00.03.06, AERO S.00.03.07
- real air, 73017
- Steady, Spatially Non-Uniform Axial Compressible Using Thermodynamically-Rigorous Approach
- application to components in series, 95011, 97029
- calorically-perfect gas, 95011
- thermally-perfect gas, 97029
- Thrust, 67035, 69008, 81004

- Definitions of Terms Used, 99019
- Discussion of Various Methods and Their Advantages and Limitations, 99019
- Explanation of Principal Features of Programs, 99019
- Factors to Consider in Wing/Winglet Design, 98013
- analysis of Boeing and Douglas wing modification studies, 98013
- Use of Mutivariate Gradient Search Techniques, 94012, 99019
- consideration of design surface features and effect on in locating global minimum, 99019
- effect of tolerance on success in locating global minimum, 99019

- see
- Aerofoils
- Annular Diffusers
- Conical Diffusers
- Ejectors
- Flat Panels with Unflanged Integral Stiffeners
- Flat Sandwich Panels (Cores of Negligible Flexural Stiffness)
- Forebody
- Helical Springs of Round Wire
- Laminated Construction Using Composites
- Optimum Wave Drag
- Plane-Walled Diffusers with Single-Plane Expansion
- Shell-And-Tube Heat Exchangers
- Struts of I-Section
- Struts of Tubular Section

- Area Distribution in Transonic Flow for, AERO A.02.03.02
- theoretical drag rise at zero lift, AERO A.02.03.02

- Cylindrical Tube
- discharge coefficients and mass flow at choking, 82009
- pressure drop in compressible flow, 82009
- pressure drop in incompressible flow, 81039, 82009
- Plate
- discharge coefficients and mass flow at choking, 82009
- pressure drop in single-phase compressible flow, 82009
- pressure drop in single-phase incompressible flow, 66030, 81039, 82009, 89012
- pressure drop in two-phase gas- or vapour-liquid flow, 89012

- see
- Beams of Sandwich Construction
- Corner Section in Specially-Orthotropic Plates
- Curved Sandwich Panels (Cores of Negligible Flexural Stiffness)
- Curved Specially-Orthotropic Rectangular Plates
- Curved Unbalanced Laminated Rectangular Plates
- Faceplate Wrinkling
- Flat Panels with Fibre-Reinforced Unflanged Integral Stiffeners
- Flat Sandwich Panels (Cores of Negligible Flexural Stiffness)
- Flat Sandwich Panels (Corrugated Cores)
- Flat Sandwich Panels (Truss Cores)
- Flat Specially-Orthotropic Rectangular Plates
- Flat Specially-Orthotropic Square Plates
- Flat Strips of Orthotropic Materials
- Flat Unbalanced Laminated Rectangular Plates
- Laminated Construction Using Composites
- Response of Lightweight Structures
- Sandwich Panels and Plates
- Struts of Sandwich Construction

- Turbo-Jet Engines
- definition, 69006

- Boundary Walls, Fences or Hoardings (Including Elevated Panel)
- flows with turbulence and shear normal or at incidence to wall, 89050
- mean and peak values, 89050
- prediction for finite straight wall, individual panel in long wall or corner panel, 89050
- Circular-Section Cylinders (Parallel-Sided, Stepped or Tapered)
- effect of isolated protuberances including helical strakes, 81017
- local or overall, 81017
- Double-Wedge Section Cylinders With Edge Aligned Symmetrically and Normal to Flow
- with or without rounded edges in turbulent shear flow, 79026
- Elliptical-Section Cylinder Normal to Flow
- turbulent shear flow, 79026
- Frameworks of Flat-Sided and/or Tubular Members
- effects of gusset plates and ancillary components, 81027
- effects of incidence and yaw, turbulence and velocity profile, 81027
- effect sof roughness, taper and solidity, 81027
- Lattice Towers of Flat-Sided and/or Tubular Members
- effects of gusset plates and ancillary components, 81028
- effects of incidence, turbulence and velocity profile, 81028
- effects of roughness and solidity, 81028
- Multi-Sided Circular-Section Cylinder With Edge Aligned Symmetrically and Normal to Flow
- with or without rounded edges in turbulent shear flow, 79026
- Multi-Sided Elliptical-Section Cylinder With Edge Aligned Symmetrically and Normal to Flow
- with or without rounded edges in turbulent shear flow, 79026
- Rectangular- or Square-Section Cylinders Normal to Flow
- effects of incidence and turbulence in shear flow, 80003
- with or without rounded edges in turbulent shear flow, 80003
- Rectangular- or Square-Section Cylinders With Face Normal to Flow
- uniform approach flow, 71016
- Triangular-Section Cylinders With Edge Aligned Symmetrically and Normal to Flow
- with or without rounded edges in turbulent shear flow, 79026
- Triangular-Section Cylinders With Face Normal to Flow
- with or without rounded edges in turbulent shear flow, 79026

- Gas Constant, AERO 00.01.09

- In Atmosphere
- effect on solar irradiance, 69015