A Student cycle engine is analyzed using the cold air-standard
method. Given the definition of each process in the cycle,
determine the thermal efficiency of the engine for each set of
defined ratios listed below. All ratios are given as the larger
value over the smaller one.
--Given Values--
Process 1-2 = Isentropic compression & volume
ratio=rv12
Process 2-3 = Isobaric compression & volume
ratio=rv23
Process 3-4 = Isometric heat addition & temperature
ratio=rT34
Process 4-5 = Isobaric heat addition & temperature
ratio=rT45
Process 5-6 = Isobaric expansion
Process 6-1 = Isometric cooling
a) Enter the equation for W12: (m,cp,cv,T1,T2,T3,T4,T5,T6)
Your Answer = m*cv*(T1-T2)
Correct!
b) Enter the equation for
Qin(m,cp,cv,T1,T2,T3,T4,T5,T6,rV12,rV23,rT34,rT45)
Your Answer = Incorrect.
c) Enter the equation for (positive)
Qout(m,cp,cv,T1,T2,T3,T4,T5,T6,rV12,rV23,rT34,rT45)
Your Answer = Incorrect.
d) Enter the equation for T2(k,T1,rV12,rV23,rT34,rT45)
Your Answer = T1*(rV12)^k-1
Correct!
e) Enter the equation for T3(k,T1,rV12,rV23,rT34,rT45)
Your Answer = Incorrect.
f) Enter the equation for T4(k,T1,rV12,rV23,rT34,rT45)
Your Answer = Incorrect.
g) Enter the equation for T5(k,T1,rV12,rV23,rT34,rT45)
Your Answer = Incorrect.
h) Enter the equation for T6(k,T1,rV12,rV23,rT34,rT45)
Your Answer =
i) Enter the equation for thermal efficiency,
η(k,rV12,rV23,rT34,rT45)
Your Answer =
PLEASE ANSWER THE MISSING ANSWERS, AND A PV DIAGRAM WOULD HELP A LOT,
WILL RATE, I'M DESPERATE!
A Student cycle engine is analyzed using the cold air-standard method. Given the definition of each...
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