Thermodynamics: Key Processes, Graphs, and Efficiency Equations
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15 Terms
What is the rule for an isobaric process
Pressure is constant
What is the rule for Isothermal process
Temperature is constant. Requires large heat reservoirs, slow expansion
What is the rule for adiabatic process
No heat flows, requires fast and well insulated processes
What is the rule for Isovolumetric process
Volume is constant. Requires fixed size container.
What is the equation for Isobaric process
Change in U = Q - P * change in V
What are the equations for isothermal process
Q = W; change in U = 0; PV = PV
What are the equations for Adiabatic process
Q = 0; Change in U = -W
What are the equations for Isovolumetric processes
Q = Change in U; W = 0
What does the PV graph for the isobaric process look like
Horizontal line
What does the PV graph look like for the isothermal process
Curved line
What does the PV graph look for like the adiabatic process
Steep curved line
What does the PV graph look like for the isovolumetric process
Vertical line
Equation for the theoretical efficiency of a carnot engine
effCarnot = 1 - TempLow/TempHigh
efficiency is equal to?
eff = work produce/ TOTAL heat put in
Coefficient of performance????
COP = Heat pulled from the low temperature/work put in
Note 
Flashcards (73)