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Introduction

  • Getting Started

Review

  • Thermo and Fluid Sciences Review
  • Compressible Flow

Gas Dynamics

  • Standard Equations
  • Shocks
  • Prandtl-Meyer
  • Fanno Flow
    • Equation Map - Fanno
    • Worked Example
    • stagnation_enthalpy()
    • fanno_temperature_ratio()
    • fanno_pressure_ratio()
    • fanno_density_ratio()
    • fanno_stagnation_pressure_ratio()
    • fanno_temperature_star_ratio()
    • fanno_pressure_star_ratio()
    • fanno_density_star_ratio()
    • fanno_velocity_star_ratio()
    • fanno_parameter()
    • fanno_parameter_max()
    • mach_from_fanno()
  • Rayleigh Flow
  • Notes about the fluid class
  • Extra

Misc

  • About Me
  • License
  • Credits
  • Index
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  • Equation Map - Fanno
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Equation Map - Fanno

stagnation_enthalpy

h_{t} = h + \frac{G^2}{\rho^2 2}

fanno_temperature_ratio

\frac{T_{2}}{T_{1}} = \frac{1 + \left[ (\gamma-1)/2 \right] M_{1}^2 }{ 1 + \left[ (\gamma-1)/2 \right] M_{2}^2 }

fanno_pressure_ratio

\frac{p_{2}}{p_{1}} = \frac{M_{1}}{M_{2}} \left( \frac{1 + \left[ (\gamma-1)/2 \right] M_{1}^2 }{ 1 + \left[ (\gamma-1)/2 \right] M_{2}^2 } \right) ^{1/2}

fanno_temperature_ratio

\frac{\rho_{2}}{\rho_{1}} = \frac{M_{1}}{M_{2}} \left( \frac{1 + \left[ (\gamma-1)/2 \right] M_{2}^2 }{ 1 + \left[ (\gamma-1)/2 \right] M_{1}^2 } \right) ^{1/2}

fanno_stagnation_pressure_ratio

\frac{p_{t2}}{p_{t1}} = \frac{M_{1}}{M_{2}} \left( \frac{1 + \left[ (\gamma-1)/2 \right] M_{2}^2 }{ 1 + \left[ (\gamma-1)/2 \right] M_{1}^2 } \right) ^{\frac{\gamma+1}{2(\gamma-1)}}

fanno_temperature_star_ratio

\frac{T}{T^*} = \frac{(\gamma+1)/2 }{ 1 + \left[ (\gamma-1)/2 \right] M^2}

fanno_pressure_star_ratio

\frac{p}{p^*} = \frac{1}{M} \left( \frac{(\gamma+1)/2 }{ 1 + \left[ (\gamma-1)/2 \right] M^2} \right) ^{1/2}

fanno_density_star_ratio

\frac{\rho}{\rho^*} = \frac{1}{M} \left( \frac{ 1 + \left[ (\gamma-1)/2 \right] M^2} {(\gamma+1)/2 } \right) ^ {1/2}

fanno_velocity_star_ratio

\frac{V}{V^*} = \frac{M}{1} \left( \frac {(\gamma+1)/2 }{ 1 + \left[ (\gamma-1)/2 \right] M^2} \right) ^ {1/2}

fanno_parameter

\frac{ f(x_{2} - x_{1}) }{D_{e}} = \frac{\gamma + 1}{2\gamma} \ln \frac{ 1 + \left[ (\gamma-1)/2 \right] M_{2}^2 }{1 + \left[ (\gamma-1)/2 \right] M_{1}^2 } - \frac{1}{\gamma} \left( \frac{1}{M_{2}^2} - \frac{1}{M_{1}^2} \right) - \frac{\gamma + 1}{2\gamma} \ln \frac{M_{2}^2}{M_{1}^2}

fanno_parameter_max

\frac{f(x - x^*)} {D_{e}} = \frac{\gamma + 1}{2\gamma} \ln \frac{ 1 + \left[ (\gamma-1)/2 \right] M^2} {(\gamma+1)/2 } - \frac{1}{\gamma} \left( \frac{1}{M^2} - 1 \right) - \frac{\gamma + 1}{2\gamma} \ln M^2

mach_from_fanno uses an equation solver to determine the mach number.

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