Thermodynamics Quiz #2 Flashcards
(34 cards)
Thermodynamics
science of energy and its transformations
Thermodynamic system
subject of the study
control mass
quantity of matter of fixed identity
closed system
quantity of matter of fixed identity, no mass transfer
control volume
quantity of space of fixed identity
open system
quantity of matter of fixed identity, heat transfer, work, mass transfer
control surface
surface of control volume
adiabatic system
no thermal interaction with environment
isolated system
system with no interaction with environment, no heat transfer, work, or mass transfer
state
condition of the system
property
characteristic of the system
intensive property
independent of the mass
extensive property
dependent on the mass
steady state
properties independent of time
process
a change of state occurs
cycle
a series of processes that result in the final state being identical to the initial state
quasi-equilibrium
all the states the system passes through may be considered as equilibrium states
quasi-static
same as quasi-equilibrium
isothermal
constant temperature
isobaric
constant pressure
isochoric
constant volume
isentropic
constant entropy
entropy
measure of disorder of system
specific volume
volume per unit mass