Indices
General
Symbol |
Designation |
min |
Minimum |
max |
Maximum |
avg |
Average |
alw |
Allowable |
ttl |
Total |
st |
Stoichiometric |
abs |
Absolute |
n |
NStandard temperature and pressure (in standard condition) |
b |
Operation (in operating condition) |
l |
Loss |
Water/steam state
Symbol |
Designation |
S |
Saturation (boiling state) |
΄ |
Liquid saturated, boiling water |
῎ |
Vaporous saturated, saturated steam |
Location/apparatus/system part
Symbol |
Designation |
SV |
Safety valve |
PL |
Pressure limiter |
boi |
Boiler |
Sys |
(Steam boiler) system |
bu |
(Combustion) burner |
P |
(Pipe)work |
valve |
Valves |
C |
Consumer |
dC |
Direct consumer |
iC |
Indirect consumer |
OU |
Own use |
dea |
Deaeration |
HL |
Heat loss |
ES |
Expansion loss/steam |
HX |
Heat exchanger |
amb |
Ambient |
Media
Symbol |
Designation |
A |
Air |
FG |
Flue gas |
F |
Fuel |
MW |
Make-up water |
PW |
Process water |
FW |
Feed water |
S |
Steam |
HS |
Heat-up steam (feed water vessel) |
BD |
Surface blowdown |
VS |
Exhaust vapour |
Co |
Condensate |
oCo |
Oxygenic condensate |
fCo |
Oxygen-free condensate |