Page 17 - Advanced thermodynamics for engineers

xxvi NOTATION

Liquid state (as in reactants or products)
l
Laminar
l
max Maximum value, or maximum useful work
Specific property based on mols
mol
net Net (as in work output from system)
O Overall
oc Open circuit
out Out of system
At constant pressure
p
P Products
P Pump
Rejected Not used by cycle (usually energy)
res Energy contained in molecules by resonance
R Rational (as in efficiency)
R Reactants
R Reduced properties (in Law of Corresponding States)
R Reversible
s Shaft (as in work)
s Stroke (of engine)
At constant entropy
s
surr Surroundings
sys System
T Turbine
At constant temperature
T
tdc Top dead centre
th Thermal
u Useful (as in work)
u Unburned (as of reactants)
Unav Unavailable (as in energy)
Univ Universe (i.e. system + surroundings)
Use Useful (as in work)
At constant specific volume
v