Module 2-1 Flashcards
(7 cards)
1
Q
What is the formula for the energy of a system
A
E = U + KE + PE
2
Q
How do we determine the difference in energy in a system
A
Subtract E2 - E1 = (U2 - U1) + (KE2-KE1) + (PE2- PE1)
3
Q
How can energy be transfered into a system
A
Mass transfer (me), Heat transfer (Q) and work transfer (W)
4
Q
What is an adiabatic system
A
no heat transfer between sys and surr
5
Q
what is an isothermal system
A
temperature is constand during process
6
Q
what is a uniform temperature system
A
temperature of the system is uniform spatially (may change)
7
Q
what are some types of common work transfer
A
force over a distance, (W = Fx), shaft work (P = int(dW) = int(Torque * speed)), Electrical work, (W = Vn = int(P) = int(IV))
