In-Line Pressurant Diffuser

Lox Tank: Luxfer DOT-3AL1800 U748514

- Thread size 1 1/8"
- Straight thread
- Depth: 1.25"

Ethanol Tank: Hoke DOT-3A1800 80A4370

- Rated at 1800 psi

Lox Fitting: swagelok B-12-HRN-8


In [ ]:
import math as m
import numpy as np

# Prop Properties [lox, ipa]
mdot = np.array[1.13, 0.94] # Mass Flow Rate [lbf/s]
T = np.array[90.2, 293] # Temperature [K]
rho = np.array[71.38, 55.249] # Density [lbf/ft^3]
mu = np.array[0.000014, 0.000067] # Viscocity [lb/in*s]

# Diffuser Properties
Ae = 0.51 # Exposed Area, Diffuser [%]
ri = _ # Entrance Radius [in.]
ro = _ # Exhaust Radius  [in.]
Ai = m.pi*ri**2 # Entrance Area [in.^2]
Ao = m.pi*ro**2 # Exhaust Area [in.^2]

In [ ]: