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Newly created tanks_fixtures.py and modified modules conftest and liq…
…uid_fixtures.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| import numpy as np | ||
| import pytest | ||
|
|
||
| from rocketpy import ( | ||
| CylindricalTank, | ||
| Function, | ||
| LevelBasedTank, | ||
| MassBasedTank, | ||
| SphericalTank, | ||
| UllageBasedTank, | ||
| ) | ||
|
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|
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| @pytest.fixture | ||
| def pressurant_tank(pressurant_fluid): | ||
| """An example of a pressurant cylindrical tank with spherical | ||
| caps. | ||
| Parameters | ||
| ---------- | ||
| pressurant_fluid : rocketpy.Fluid | ||
| Pressurizing fluid. This is a pytest fixture. | ||
| Returns | ||
| ------- | ||
| rocketpy.MassBasedTank | ||
| An object of the CylindricalTank class. | ||
| """ | ||
| geometry = CylindricalTank(0.135 / 2, 0.981, spherical_caps=True) | ||
| pressurant_tank = MassBasedTank( | ||
| name="Pressure Tank", | ||
| geometry=geometry, | ||
| liquid_mass=0, | ||
| flux_time=(8, 20), | ||
| gas_mass="data/SEBLM/pressurantMassFiltered.csv", | ||
| gas=pressurant_fluid, | ||
| liquid=pressurant_fluid, | ||
| ) | ||
|
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| return pressurant_tank | ||
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| @pytest.fixture | ||
| def fuel_tank(fuel_fluid, fuel_pressurant): | ||
| """An example of a fuel cylindrical tank with spherical | ||
| caps. | ||
| Parameters | ||
| ---------- | ||
| fuel_fluid : rocketpy.Fluid | ||
| Fuel fluid of the tank. This is a pytest fixture. | ||
| fuel_pressurant : rocketpy.Fluid | ||
| Pressurizing fluid of the fuel tank. This is a pytest | ||
| fixture. | ||
| Returns | ||
| ------- | ||
| rocketpy.UllageBasedTank | ||
| """ | ||
| geometry = CylindricalTank(0.0744, 0.8068, spherical_caps=True) | ||
| ullage = ( | ||
| -Function("data/SEBLM/test124_Propane_Volume.csv") * 1e-3 | ||
| + geometry.total_volume | ||
| ) | ||
| fuel_tank = UllageBasedTank( | ||
| name="Propane Tank", | ||
| flux_time=(8, 20), | ||
| geometry=geometry, | ||
| liquid=fuel_fluid, | ||
| gas=fuel_pressurant, | ||
| ullage=ullage, | ||
| ) | ||
|
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| return fuel_tank | ||
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| @pytest.fixture | ||
| def oxidizer_tank(oxidizer_fluid, oxidizer_pressurant): | ||
| """An example of a oxidizer cylindrical tank with spherical | ||
| caps. | ||
| Parameters | ||
| ---------- | ||
| oxidizer_fluid : rocketpy.Fluid | ||
| Oxidizer fluid of the tank. This is a pytest fixture. | ||
| oxidizer_pressurant : rocketpy.Fluid | ||
| Pressurizing fluid of the oxidizer tank. This is a pytest | ||
| fixture. | ||
| Returns | ||
| ------- | ||
| rocketpy.UllageBasedTank | ||
| """ | ||
| geometry = CylindricalTank(0.0744, 0.8068, spherical_caps=True) | ||
| ullage = ( | ||
| -Function("data/SEBLM/test124_Lox_Volume.csv") * 1e-3 + geometry.total_volume | ||
| ) | ||
| oxidizer_tank = UllageBasedTank( | ||
| name="Lox Tank", | ||
| flux_time=(8, 20), | ||
| geometry=geometry, | ||
| liquid=oxidizer_fluid, | ||
| gas=oxidizer_pressurant, | ||
| ullage=ullage, | ||
| ) | ||
|
|
||
| return oxidizer_tank | ||
|
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|
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| @pytest.fixture | ||
| def spherical_oxidizer_tank(oxidizer_fluid, oxidizer_pressurant): | ||
| """An example of a oxidizer spherical tank. | ||
| Parameters | ||
| ---------- | ||
| oxidizer_fluid : rocketpy.Fluid | ||
| Oxidizer fluid of the tank. This is a pytest fixture. | ||
| oxidizer_pressurant : rocketpy.Fluid | ||
| Pressurizing fluid of the oxidizer tank. This is a pytest | ||
| fixture. | ||
| Returns | ||
| ------- | ||
| rocketpy.UllageBasedTank | ||
| """ | ||
| geometry = SphericalTank(0.05) | ||
| liquid_level = Function(lambda t: 0.1 * np.exp(-t / 2) - 0.05) | ||
| oxidizer_tank = LevelBasedTank( | ||
| name="Lox Tank", | ||
| flux_time=10, | ||
| geometry=geometry, | ||
| liquid=oxidizer_fluid, | ||
| gas=oxidizer_pressurant, | ||
| liquid_height=liquid_level, | ||
| ) | ||
|
|
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| return oxidizer_tank |