cal/ENGG1001_A1_S1_2025
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Task 2

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Cal Wing 2025-02-14 21:33:43 +01:00
parent b60cfd67af
commit cc97e16ff9
1 changed files with 19 additions and 8 deletions
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a1.py
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@ -31,12 +31,12 @@ def determine_power_used(water_mass: float, elevation: float, pumping_time: floa
# Actual amount of energy needed based on eff # Actual amount of energy needed based on eff
# Here an 85% eff means an extra 15% is needed to pump the water up # Here an 85% eff means an extra 15% is needed to pump the water up
electrical_energy = potenital_energy * (1 + (1 - efficiency/100)) # J = J * SCALER electrical_energy = potenital_energy / (efficiency/100) # J = J * SCALER
# Actual electrial power used to pump the water # Actual electrial power used to pump the water
power_used = electrical_energy / (pumping_time*60*60) # W = J / S = J / (hr*60*60) power_used = electrical_energy / (pumping_time*60*60) # W = J / S = J / (hr*60*60)
return power_used / 10e3 # W -> kW return power_used / 1e3 # W -> kW
# Task 2 # Task 2
def determine_water_released(gen_power: float, elevation: float, pumping_time: float, efficiency: float) -> float: def determine_water_released(gen_power: float, elevation: float, pumping_time: float, efficiency: float) -> float:
@ -54,22 +54,22 @@ def determine_water_released(gen_power: float, elevation: float, pumping_time: f
""" """
# How much electrical engery was generated? # How much electrical engery was generated?
electrical_energy = (gen_power * 10e3) * (pumping_time*60*60) # J = W * S = (kW * 10^3) * (hrs*60*60) electrical_energy = (gen_power * 1e3) * (pumping_time*60*60) # J = W * S = (kW * 10^3) * (hrs*60*60)
# Need more potential energy to get electrial energy # Need more potential energy to get electrial energy
# Again here for 85% eff need 15% more potenitial enegry to get pot-eng # Again here for 85% eff need 15% more potenitial enegry to get pot-eng
potential_energy = electrical_energy / (1 + (1 - efficiency/100)) # J = J * Scaler potential_energy = electrical_energy * (efficiency/100) # J = J * Scaler
water_mass = potential_energy / (WATER_DENSITY * elevation) # kg = J / (m/s^2 * m) water_mass = potential_energy / (GRAVITY_ACC * elevation) # kg = J / (m/s^2 * m)
return water_mass return water_mass
def main(): # Task 3
print("Hello World!")
# See if I get what the task sheet wants # See if I get what the task sheet wants
def sheet_tasks(): def sheet_tasks():
import numpy as np
TASKS = ( TASKS = (
(determine_power_used, (5e6, 250, 8, 85), 500.9191176470588), (determine_power_used, (5e6, 250, 8, 85), 500.9191176470588),
(determine_water_released, (300, 250, 8, 85), 2994495.4128440367) (determine_water_released, (300, 250, 8, 85), 2994495.4128440367)
@ -78,12 +78,23 @@ def sheet_tasks():
for i, (task, args, expected) in enumerate(TASKS): for i, (task, args, expected) in enumerate(TASKS):
print(f'Task {i+1}') print(f'Task {i+1}')
result = task(*args) result = task(*args)
if expected is not None:
# Number comparison
if isinstance(expected, (float, int)):
foo = np.isclose(result, expected, 0.001)
print(f'{task.__qualname__}{args} -> {result} {"~=" if foo else "!="} {expected}')
print(f'Task is{"" if foo else " NOT"} close enough to expected result.')
# Literal Comparison
elif expected is not None:
print(f'{task.__qualname__}{args} -> {result} {"==" if result == expected else "!="} {expected}') print(f'{task.__qualname__}{args} -> {result} {"==" if result == expected else "!="} {expected}')
print(f'Task{"" if result == expected else " NOT"} equal to expected result.') print(f'Task{"" if result == expected else " NOT"} equal to expected result.')
# Just run the task
else: else:
print(f'{task.__qualname__}{args} -> {result}') print(f'{task.__qualname__}{args} -> {result}')
# Newline
print() print()
if __name__ == '__main__': if __name__ == '__main__':