peri_pump | R Documentation |
Given the number of moles of a gas, calculates the liters to run through a peristaltic pump.
peri_pump(
mol,
species = "O2",
temp = 25,
reg_pres,
reg_unit = "psi",
atm_pres = 1013.25
)
mol |
number of moles to go through a peristaltic pump. |
species |
character string describing the gas species. Options are available from |
temp |
temperature (°C). Default is 25 °C. |
reg_pres |
gauge pressure from the gas regulator into the peristaltic pump. |
reg_unit |
unit used in |
atm_pres |
atmospheric pressure (mbar). Default is 1013.25 mbar. |
Most mass flow controllers are programmed with a "standard condition" something like 0 *C and 1013 mbar for which they account for the pressure and temperature of an incoming gas source. For setups without expensive mass flow controllers, a more affordable alternative is to use a peristaltic pump. These do not account for variations in incoming gas pressure and temperature and thus, it must be calculated to set the peristaltic pump to the correct RPM.
Matthew A. Birk, matthewabirk@gmail.com
co2_rate
, co2_add
peri_pump(mol = 0.5, species = 'O2', temp = 10, reg_pres = 5, reg_unit = "kPa")
# To flow 0.5 moles of O2, then flow 11.1 L.
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