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MON20/20 Software for Gas Chromatographs User Manual
OCTOBER 2010 3-9000-745
B-9
where
• Corrected Saturated BTU
where
• Compressibility and Base Pressure
Compressibility and base pressure corrections for Dry BTU are:
where
• BTU Calculations
Note that the BTU calculations apply to Gross dry, saturated, actual
BTU and Net dry, saturated, and actual BTU
DRYBTU Dry Gross BTU of Total Gas; see page 7 for details.
Z Compressibility factor.
BASE PRS Base (contract) pressure specified; defaults to 14.73 PSIA.
DRYBTU Dry Gross BTU of Total Gas; see page 7 for details.
CORRSATBTU Corrected saturated BTU content per cubic foot of total gas sample at
base conditions of BASE PRS and 60 °F.
Z Compressibility Factor Dry BTU; see page 8 for details.
BASEPRS Base (contract) pressure specified; defaults to 14.73 PSIA.
CORRDRYBTU Dry Gross BTU of Total Gas; see page 7 for details.
Z Compressibility Factor Dry BTU; see page 8 for details.
BASE PRESSURE Base (contract) pressure specified; defaults to 14.73 PSIA
CORRSATBTU
DRYBTU()0.9826()
Z
---------------------------------------------------
=
CorrDryBTU
DryBTUatBasePressure
Z
-----------------------------------------------------------------
⎝⎠
⎛⎞
=
ContractPressure
BasePressure
------------------------------------------------
⎝⎠
⎛⎞
GrossActualBTU corr()GrossDryBTU corr()100
WVC()
100
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–
⎝⎠
⎛⎞
×=