Source code for rocketpy.prints.hybrid_motor_prints
import numpy as np
from .motor_prints import _MotorPrints
[docs]
class _HybridMotorPrints(_MotorPrints):
"""Class that holds prints methods for HybridMotor class.
Attributes
----------
_HybridMotorPrints.hybrid_motor : hybrid_motor
HybridMotor object that will be used for the prints.
"""
[docs]
def __init__(
self,
hybrid_motor,
):
"""Initializes _HybridMotorPrints class
Parameters
----------
hybrid_motor: HybridMotor
Instance of the HybridMotor class.
Returns
-------
None
"""
super().__init__(hybrid_motor)
self.hybrid_motor = hybrid_motor
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def nozzle_details(self):
"""Prints out all data available about the Nozzle.
Returns
-------
None
"""
# Print nozzle details
print("Nozzle Details")
print(f"Outlet Radius: {self.hybrid_motor.nozzle_radius} m")
print(f"Throat Radius: {self.hybrid_motor.solid.throat_radius} m")
print(f"Outlet Area: {np.pi * self.hybrid_motor.nozzle_radius**2:.6f} m²")
print(f"Throat Area: {np.pi * self.hybrid_motor.solid.throat_radius**2:.6f} m²")
print(f"Position: {self.hybrid_motor.nozzle_position} m\n")
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def grain_details(self):
"""Prints out all data available about the Grain.
Returns
-------
None
"""
print("Grain Details")
print(f"Number of Grains: {self.hybrid_motor.solid.grain_number}")
print(f"Grain Spacing: {self.hybrid_motor.solid.grain_separation} m")
print(f"Grain Density: {self.hybrid_motor.solid.grain_density} kg/m3")
print(f"Grain Outer Radius: {self.hybrid_motor.solid.grain_outer_radius} m")
print(
"Grain Inner Radius: "
f"{self.hybrid_motor.solid.grain_initial_inner_radius} m"
)
print(f"Grain Height: {self.hybrid_motor.solid.grain_initial_height} m")
print(f"Grain Volume: {self.hybrid_motor.solid.grain_initial_volume:.3f} m3")
print(f"Grain Mass: {self.hybrid_motor.solid.grain_initial_mass:.3f} kg\n")
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def all(self):
"""Prints out all data available about the HybridMotor.
Returns
-------
None
"""
self.nozzle_details()
self.grain_details()
self.motor_details()
