def show(self, rate=None, cost=None):
# Get units of measure
display_units = self.display_units
rate_units = rate or display_units.rate
cost_units = cost or display_units.cost
rate = convert(self.rate, 'kW', rate_units)
cost = convert(self.cost, 'USD/hr', cost_units)
return (
f'<{type(self).__name__}: {rate:.3g} {rate_units}, {cost:.3g} {cost_units}>'
)
def _info_data(self, duty, flow, cost):
# Get units of measure
su = self.display_units
duty_units = duty or su.duty
flow_units = flow or su.flow
cost_units = cost or su.cost
# Change units and return info string
flow = self.inlet_utility_stream.get_total_flow(flow_units)
duty = convert(self.duty, 'kJ/hr', duty_units)
cost = convert(self.cost, 'USD/hr', cost_units)
return duty, copysign(flow, self.flow), cost, duty_units, flow_units, cost_units
def show(self, rate=None, cost=None):
# Get units of measure
display_units = self.display_units
rate_units = rate or display_units.rate
cost_units = cost or display_units.cost
production = convert(self.production, 'kW', rate_units)
consumption = convert(self.consumption, 'kW', rate_units)
rate = consumption - production
cost = convert(self.cost, 'USD/hr', cost_units)
print(f'{type(self).__name__}:\n'
f' consumption: {consumption:.3g} {rate_units}\n'
f' production: {production:.3g} {rate_units}\n'
f' rate: {rate:.3g} {rate_units}\n'
f' cost: {cost:.3g} {cost_units}')
def _info_phaseTP(self, phase, T_units, P_units):
T_limit = convert(self.T_limit, 'K', T_units)
T_limit = f"{T_limit:.3g} K" if T_limit else "None"
T = convert(self.T, 'K', T_units)
P = convert(self.P, 'Pa', P_units)
s = '' if isinstance(phase, str) else 's'
ht_price = self.heat_transfer_price
rg_price = self.regeneration_price
ht_eff = self.heat_transfer_efficiency
return (f" heat_transfer_efficiency: {ht_eff:.3f}\n"
f" heat_transfer_price: {ht_price:.3g} USD/kJ\n"
f" regeneration_price: {rg_price:.3g} USD/kmol\n"
f" T_limit: {T_limit}\n"
f" phase{s}: {repr(phase)}\n"
f" T: {T:.5g} {T_units}\n"
f" P: {P:.6g} {P_units}\n")
def set_figure_size(width=None, aspect_ratio=None, units=None):
# units default to inch
# width defaults 6.614 inches
# aspect ratio defaults to 0.65
if aspect_ratio is None:
aspect_ratio = 0.65
if width is None:
width = 6.6142
else:
if units is not None:
from thermosteam.units_of_measure import convert
width = convert(width, units, 'inch')
import matplotlib
params = matplotlib.rcParams
params['figure.figsize'] = np.array([width, width * aspect_ratio])
def get_design_result(self, key, units):
return convert(self.design_results[key], self._units[key], units)