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Air alarm cooling now resembles thermodynamics

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Gas cooling power consumption now resembles the work required to operate
a Carnot heat pump. Cooling hot air takes less energy than cooling cold
air.
This commit is contained in:
mwerezak
2014-07-11 14:34:07 -04:00
parent b78c918c58
commit db29d172f5
2 changed files with 43 additions and 12 deletions
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24
code/ZAS/_gas_mixture.dm
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@@ -141,6 +141,30 @@ What are the archived variables for?
return max(MINIMUM_HEAT_CAPACITY,heat_capacity_archived)
//this seems like such a common thing to do I can't believe this hasn't been made into it's own proc yet.
/datum/gas_mixture/proc/add_thermal_energy(var/thermal_energy)
//Purpose: Adjusting temperature based on thermal energy transfer
//Called by: Anyone who wants to add or remove energy from the gas mix
//Inputs: An amount of energy in J to be added. Negative values remove energy.
//Outputs: The actual thermal energy change.
var/old_temperature = temperature
var/heat_capacity = heat_capacity()
temperature += thermal_energy/heat_capacity
if (temperature < 0)
temperature = 0
return (temperature - old_temperature)*heat_capacity
/datum/gas_mixture/proc/get_thermal_energy_change(var/new_temperature)
//Purpose: Determining how much thermal energy is required
//Called by: Anyone. Machines that want to adjust the temperature of a gas mix.
//Inputs: None
//Outputs: The amount of energy required to get to the new temperature in J. A negative value means that energy needs to be removed.
return heat_capacity()*(new_temperature - temperature)
/datum/gas_mixture/proc/total_moles()
return total_moles
/*var/moles = oxygen + carbon_dioxide + nitrogen + phoron