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- Radius of Sphere of Influence
- Radius of Sphere of Influence( Black Hole)
- Semi Major Axis of Phasing Ellipse

Fluid Mechanics

- Absolute Pressure at Height h
- Angle of Inclined Manometer in terms of Pressure at a Point
- Angle of Inclined Manometer When Sensitivity is Given
- Angle of Jet When Maximum Vertical Elevation is Given
- Angle of Jet When Time of Flight of Liquid Jet is Given
- Angle of Jet When Time to Reach the Highest Point is Given
- Area of Surface Wetted in terms of Center of Pressure
- Area of the Surface Wetted When Total Hydrostatic Force is Given
- Barlow's formula for pipe
- Beale number
- Body Force Work Rate
- 142 More formulas!

Hypersonic Flow

- Axial force coefficient
- Coefficient of drag
- Coefficient of pressure with similarity parameters
- Deflection angle
- Drag force
- Dynamic pressure
- Dynamic pressure based on coefficient of lift
- Fourier's law of heat conduction
- Hypersonic similarity parameter
- lift coefficient
- Lift Force
- 10 More formulas!

Blast-wave part 2

- Pressure coefficient combined with blast wave for the shuttle
- Pressure coefficient combined with blast wave for the shuttle at angle of attack
- Pressure coefficient for blast wave theory
- Pressure coefficient for blast wave theory at very high values of mach
- Pressure coefficient for Blunt-nosed cylinder:
- Pressure coefficient for Blunt-nosed plate:

Boundary-Layer Equations for Hypersonic Flow: Self-Similar Solutions

- Adiabatic wall enthalpy using Stanton number
- Enthalpy of wall using Stanton number
- Local heat-transfer rate calculation using Stanton number
- local heat-transfer rate using Nusselt's number
- local shear stress at the wall
- Local skin-friction coefficient
- Nusselt number for hypersonic vehicle
- Nusselt's number with Reynolds number, the Stanton number and Prandtl number
- Prandtl number with Reynolds number, Nusselt's number, and Stanton number
- Reynolds number for given Nusselt's number, Stanton number and Prandtl number
- Skin friction coefficient for incompressible flow
- 10 More formulas!

ELEMENTS OF KINETIC THEORY

- Emissivity per unit mole
- Kinetic energy per mole
- Kinetic energy per mole using molar volume
- Kinetic energy per mole using temperature of gas
- Mean free path of a single-species gas,
- Mean free path using number density
- Molar volume using kinetic energy per mole
- Number density
- Pressure of gas using number density
- Pressure using kinetic energy per mole
- Pressure using molar volume
- 5 More formulas!

Flat-Plate for Viscous flow case

- Adiabatic wall enthalpy for flat plate
- Adiabatic wall enthalpy using recovery factor
- Coefficient of friction using Stanton number for flat plat case
- Drag per unit span
- Prandtl number for flat plate with viscous flow
- Recovery factor calculation using Prandtl number
- Recovery factor for flat plate with viscous flow
- Recovery Factor using temperature
- Skin-friction drag Coefficient
- Skin-friction drag for flat plate in viscous flow
- Stanton number using aerodynamic heating equation
- 5 More formulas!

Approximate Results Applied to Hypersonic Vehicles

- Adiabatic wall enthalpy over flat plate using Stanton number
- Coefficient of drag over the flat under the freestream flow conditions
- Drag force over the flat plate
- Free stream enthalpy over a flat plate with freestream conditions
- Free stream velocity over a flat plate using drag force
- Free stream velocity over a flat plate with freestream conditions
- Freestream density over flat plate using Stanton number
- Freestream density over the flat under the freestream flow conditions
- Freestream Stanton number for flat plate
- Freestream velocity over flat plate using Stanton number
- Insulated flat plate, the strong interaction
- 5 More formulas!

Hypersonic Transition

- Boundary-layer momentum thickness using Reynolds number at transition point
- Eddy viscosity calculation
- Local Mach Number using Reynolds number equation at transition region
- Location of the transition point
- Prandtl number of the transition flow
- Reynolds number equation using boundary-layer momentum thickness
- Reynolds number equation using local Mach number
- Specific heat at constant pressure for transient flow
- Static density at transition point
- Static density equation using boundary-layer momentum thickness
- Static velocity at transition point
- 6 More formulas!

Reference Temperature Method

- Chord length for flat plate case
- Local Reynolds number
- Local turbulent skin-friction coefficient for incompressible flow
- Mach number at reference temperature
- Overall skin-friction drag coefficient
- Overall skin-friction drag coefficient for incompressible flow
- Reference temperature equation
- Reynolds number for chord length
- Reynolds number for chord length using the Overall skin-friction drag coefficient
- Stanton Number obtained from classical theory
- Static density of the plate using chord length for flat plate case
- 5 More formulas!

Hypersonic Equivalence Principle and Blast-Wave Theory

- Blunt-nosed flat plate pressure ratio (first approximation)
- Boltzmann constant for cylindrical blast wave
- Coefficient of drag equation using energy released from blast wave
- Creation pressure for the planar blast wave
- Energy for the blast wave
- Modified Energy for the cylindrical blast wave
- Modified pressure equation for cylindrical blast wave
- Modified Radial coordinate equation for cylindrical blast wave
- Pressure for the cylindrical blast wave
- Pressure ratio for blunt cylinder blast wave
- Pressure ratio for blunt slab blast wave
- 6 More formulas!

Hypersonic Flight Paths: Velocity-Altitude Map

- Blunt-nosed radial coordinate flat plate (first approximation):
- Forces acting on body along the flight path
- Forces acting Perpendicular to the body on the flight path
- Pressure ratio of Blunt-nosed cylinder (first approximation):
- Radial coordinate of Blunt-nosed cylinder (first approximation):
- Radius for the cylinder-wedge body shape
- Radius for the sphere-cone body shape
- Radius of curvature for the cylinder-wedge
- Radius of curvature for the sphere-cone body shape

Hypersonic Inviscid Flowfields: Approximate Methods

- Non dimensional radius for hypersonic vehicles
- Non-dimensional density
- Non-dimensional density for high mach number
- Non-dimensional parallel velocity component for high mach number
- Non-dimensional perpendicular velocity component for high mach number
- Non-dimensional pressure
- Non-dimensional pressure for high mach number
- Slenderness ratio with cone radius for hypersonic vehicle
- Transformed conical variable
- Transformed conical variable with cone angle in hypersonic flow
- Transformed conical variable with wave angle
- 1 More formulas!

Hypersonic Inviscid Flowfields: Exact Methods

- Density before shock formation for compression wave
- Density before the shock formation for expansion wave
- Detachment distance of cylinder-wedge
- Detachment distance of sphere cone
- Grid point calculation for shock waves
- Local shock velocity equation
- Mach wave behind the shock
- Mach wave behind the shock with mach infinity
- New pressure after the shock formation for compression wave
- New pressure after the shock formation, subtracted to velocity for expansion wave
- Nose radius of cylinder-wedge
- 8 More formulas!

Hypersonic Small-Disturbance Equations

- Change in velocity for hypersonic flow in x direction
- Coefficient of pressure with slenderness ratio
- Coefficient of pressure with slenderness ratio and similarity constant
- Constant g used for finding the location of perturbed shock
- Density ratio with similarity constant having slenderness ratio
- Distance from tip of leading edge to base
- Doty and Rasmussen - normal-force coefficient
- Inverse of density for hypersonic flow
- Inverse of density for hypersonic flow using Mach number
- Non dimensional Change in hypersonic disturbance velocity in x direction
- Non dimensional Change in hypersonic disturbance velocity in y direction
- 7 More formulas!

Hypersonic Viscous Interactions

- Large Mach number over a flat plate using static temperature and wall temperature
- Mach number over a flat plate using static temperature and wall temperature
- Pressure ratio for cold-wall case the strong interaction
- Pressure ratio for cold-wall case the weak interaction
- Static density of fluid over the flat plate
- Static temperature of fluid over the flat plate
- Static temperature of the plate using the wall viscosity
- Static temperature over a flat plate under viscous, very high Mach flow
- Static temperature over a flat plate using Static Mach Number
- Static viscosity using wall temperature and static temperature
- Total temperature over a flat plate under viscous Mach flow
- 8 More formulas!

Laminar boundary layer at a stagnation point on a blunt body,

- Newtonian Dynamic pressure
- Newtonian pressure distribution over the surface using cosine angle
- Nusselt number at the stagnation point
- Nusselt number for stagnation point on blunt body
- Reynolds analogy factor in Finite deference method
- Reynolds analogy for Stanton number in finite difference method
- Stagnation pressure

Newtonian Flow

- Coefficient of drag equation with angle of attack
- Coefficient of drag equation with coefficient of normal force
- Coefficient of lift equation with angle of attack
- Coefficient of lift equation with coefficient of normal force
- Drag force with angle of attack
- exact normal shock-wave maximum coefficient of pressure
- Force F exerted on the surface
- Lift force with angle of attack
- Mass flux incident on a surface area
- Maximum Pressure coefficient
- Modified Newtonian Law
- 4 More formulas!

oblique shock relation

- Coefficient of pressure derived from oblique shock theory
- Density ratio when Mach become infinite
- Dynamic pressure for given specific heat ratio and Mach number
- Exact Density Ratio
- Exact pressure ratio
- Exact relation for pressure coefficient behind an oblique shock wave
- Exact relation for pressure coefficient behind an oblique shock wave when Mach no. tends to infinite
- Non-dimensional pressure coefficient
- Parallel upstream flow components after shock as Mach tends to infinite
- Perpendicular upstream flow components behind the shock wave
- Pressure ratio when Mach becomes infinite
- 5 More formulas!

Space-Marching Finite Difference Method: Additional Solutions of the Euler Equations

- Coefficient of pressure equation using specific heat ratio
- curvilinear grid location equation
- Density equation using enthalpy and pressure
- Enthalpy equation using coefficient of pressure for calorically perfect gas
- Enthalpy equation using pressure and density
- Enthalpy equation using specific heat ratio
- Free stream enthalpy
- local shock-layer thickness
- pressure equation using Enthalpy and density
- total enthalpy equation using specific heat ratio and velocities
- Total specific enthalpy
- 1 More formulas!

Viscous Flow: Basic Aspects, Boundary Layer Results, and Aerodynamic Heating

- Aerodynamic heating to the surface
- Chapman–Rubesin factor
- Coefficient of friction using Stanton equation for incompressible flow
- Density calculation using Chapman–Rubesin factor
- internal energy for hypersonic flow
- Non dimensional internal energy parameter
- Non dimensional internal energy parameter using wall-to-freestream temperature ratio
- Non dimensional static enthalpy
- Stanton equation using Overall skin friction coefficient for incompressible flow
- Stanton number for incompressible flow
- Static Density calculation using Chapman–Rubesin factor
- 6 More formulas!

Heat Transfer

- Absolute humidity of air at initial air temperature
- Biot Number using characteristic length
- Black bodies heat exchange by radiation
- Characteristic length for lumped system
- Convective processes heat transfer coefficient
- Critical Thickness of Insulation for Cylinder
- Diameter of Rod Circular Fin given area of cross-section
- Heat Exchange By Radiation Due To Geometric Arrangement
- Heat flux
- Heat transfer
- Heat Transfer According to Fourier's Law
- 8 More formulas!

Industrial Engineering

- Annual Devaluation Rate
- Binomial distribution
- Crashing
- Early Finish Time
- EOQ Manufacturing Model with No Shortage
- EOQ Manufacturing Model with Shortage
- EOQ Purchase Model with No Shortage
- EOQ Purchase Model with Shortage
- Expected length of non-empty queue
- Expected number of customers in the queue
- Expected number of customers in the system
- 47 More formulas!

Machine Design

- Bending stress in shaft
- Bolt Stress
- Collar friction torque in accordance of Uniform Pressure Theory
- Design of shaft using ASME code
- Factor of Safety given Ultimate and Working Stress
- Maximum bending stress
- Maximum bending stress when rectangular section modulus is given
- Muzzle Velocity
- Permissible tensile strength for double transverse fillet joint
- Power Transmitted
- Shear strength for double parallel fillet weld
- 9 More formulas!

Design of Machine Elements

- Compressive Stress of Spigot
- Equivalent Stress By Distortion Energy Theory
- Factor of Safety for bi-axial State of Stress
- Factor of Safety for Tri-axial State of Stress
- Permissible Shear Stress for Cotter
- Permissible Shear Stress for Spigot
- Pitchline Velocity of Meshing Gears
- Polar moment of inertia of hollow circular shaft
- Polar Moment Of Inertia Of Solid Circular Shaft
- Ratio factor for external gears
- Ratio factor for internal gears
- 6 More formulas!

Refrigeration and Air Conditioning

Air Refrigeration Cycles

- Energy Performance Ratio of Heat Pump
- Relative Coefficient of Performance
- Theoretical Coefficient of Performance of refrigerator

Bell-Coleman Cycle or Reversed Brayton or Joule Cycle

- Compression or Expansion Ratio
- COP of Bell-Coleman Cycle for given Compression ratio and adiabatic index(γ)
- COP of Bell-Coleman Cycle for given temperatures, polytropic index(n) and adiabatic index(γ)
- Heat Absorbed during Constant pressure Expansion Process
- Heat Rejected during Constant pressure Cooling Process

Basics

- Entropy change (Isobaric Process) (With given temperatures)
- Entropy change (Isobaric Process) (With given volumes)
- Entropy change (Isochoric Process) (With given pressures)
- Entropy change (Isochoric Process) (With given temperatures)
- Entropy change (Isothermal Process) (With given volumes)
- Equipment Total Cooling Load
- Heat Transfer at Constant Pressure
- Isobaric Work (for given mass and temperatures)
- Isobaric Work (for given pressure and volumes)
- Mass Flow Rate in Steady Flow
- Specific Heat Capacity at Constant Pressure
- 2 More formulas!

Strength of Materials

- Axial elongation of prismatic bar due to external load
- Beam shear stress formula
- Bending Stress
- Brinell Hardness Number
- Bulk Modulus when Bulk Stress and Strain is Given
- Bulk Modulus when Volume Stress and Strain is Given
- Bulk Strain
- Bulk Stress
- Deflection of fixed beam with load at center
- Deflection of fixed beam with uniformly distributed load
- Direct Stress
- 42 More formulas!

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