Files
VOREStation/code/ATMOSPHERICS/components/binary_devices/circulator.dm
RavingManiac 98dd5c46c0 Circulators now draw air based on the total volume of the pipe network connected to the input. They also generate some power in the same manner as pipe turbines.
Thermoelectric generators now generate much more power, mostly due to the increase in circulator intake volume.

Supermatter no longer powers radiation collectors, and is tweaked to run at 4000-6000K.

TEG supermatter engine mapped in. Currently generates ~1MW of power with chamber temperature of 5000K.
2015-02-13 00:38:23 +08:00

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//node1, air1, network1 correspond to input
//node2, air2, network2 correspond to output
#define ADIABATIC_EXPONENT 0.667 //Actually adiabatic exponent - 1.
/obj/machinery/atmospherics/binary/circulator
name = "circulator/heat exchanger"
desc = "A gas circulator turbine and heat exchanger."
icon = 'icons/obj/pipes.dmi'
icon_state = "circ-off"
anchored = 0
var/kinetic_efficiency = 0.04 //combined kinetic and kinetic-to-electric efficiency
var/volume_ratio = 0.2
var/recent_moles_transferred = 0
var/last_heat_capacity = 0
var/last_temperature = 0
var/last_pressure_delta = 0
var/last_worldtime_transfer = 0
var/last_stored_energy_transferred = 0
var/volume_capacity_used = 0
var/stored_energy = 0
density = 1
/obj/machinery/atmospherics/binary/circulator/New()
..()
desc = initial(desc) + " Its outlet port is to the [dir2text(dir)]."
air1.volume = 500
/obj/machinery/atmospherics/binary/circulator/proc/return_transfer_air()
var/datum/gas_mixture/removed
if(anchored && !(stat&BROKEN) && network1)
var/input_starting_pressure = air1.return_pressure()
var/output_starting_pressure = air2.return_pressure()
last_pressure_delta = max(input_starting_pressure - output_starting_pressure - 5, 0)
//only circulate air if there is a pressure difference (plus 5kPa kinetic, 10kPa static friction)
if(air1.temperature > 0 && last_pressure_delta > 5)
//Calculate necessary moles to transfer using PV = nRT
recent_moles_transferred = (last_pressure_delta*network1.volume/(air1.temperature * R_IDEAL_GAS_EQUATION))/3 //uses the volume of the whole network, not just itself
volume_capacity_used = min( (last_pressure_delta*network1.volume/3)/(input_starting_pressure*air1.volume) , 1) //how much of the gas in the input air volume is consumed
//Calculate energy generated from kinetic turbine
stored_energy += 1/ADIABATIC_EXPONENT * min(last_pressure_delta * network1.volume , input_starting_pressure*air1.volume) * (1 - volume_ratio**ADIABATIC_EXPONENT) * kinetic_efficiency
//Actually transfer the gas
removed = air1.remove(recent_moles_transferred)
if(removed)
last_heat_capacity = removed.heat_capacity()
last_temperature = removed.temperature
//Update the gas networks.
network1.update = 1
last_worldtime_transfer = world.time
else
recent_moles_transferred = 0
update_icon()
return removed
/obj/machinery/atmospherics/binary/circulator/proc/return_stored_energy()
last_stored_energy_transferred = stored_energy
stored_energy = 0
return last_stored_energy_transferred
/obj/machinery/atmospherics/binary/circulator/process()
..()
if(last_worldtime_transfer < world.time - 50)
recent_moles_transferred = 0
update_icon()
/obj/machinery/atmospherics/binary/circulator/update_icon()
if(stat & (BROKEN|NOPOWER) || !anchored)
icon_state = "circ-p"
else if(last_pressure_delta > 0 && recent_moles_transferred > 0)
if(last_pressure_delta > 5*ONE_ATMOSPHERE)
icon_state = "circ-run"
else
icon_state = "circ-slow"
else
icon_state = "circ-off"
return 1
/obj/machinery/atmospherics/binary/circulator/attackby(obj/item/weapon/W as obj, mob/user as mob)
if(istype(W, /obj/item/weapon/wrench))
anchored = !anchored
user << "\blue You [anchored ? "secure" : "unsecure"] the bolts holding [src] to the floor."
if(anchored)
if(dir & (NORTH|SOUTH))
initialize_directions = NORTH|SOUTH
else if(dir & (EAST|WEST))
initialize_directions = EAST|WEST
initialize()
build_network()
if (node1)
node1.initialize()
node1.build_network()
if (node2)
node2.initialize()
node2.build_network()
else
if(node1)
node1.disconnect(src)
del(network1)
if(node2)
node2.disconnect(src)
del(network2)
node1 = null
node2 = null
else
..()
/obj/machinery/atmospherics/binary/circulator/verb/rotate_clockwise()
set category = "Object"
set name = "Rotate Circulator (Clockwise)"
set src in view(1)
if (usr.stat || usr.restrained() || anchored)
return
src.set_dir(turn(src.dir, 90))
desc = initial(desc) + " Its outlet port is to the [dir2text(dir)]."
/obj/machinery/atmospherics/binary/circulator/verb/rotate_anticlockwise()
set category = "Object"
set name = "Rotate Circulator (Counterclockwise)"
set src in view(1)
if (usr.stat || usr.restrained() || anchored)
return
src.set_dir(turn(src.dir, -90))
desc = initial(desc) + " Its outlet port is to the [dir2text(dir)]."