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Engineering, 03.03.2020 02:31 potato3999

A Dual cycle engine is analyzed using the cold air standard method. Given the conditions at state 1, compression ratio (r), and cutoff ratio (rc) determine the efficiency and other values listed below.
Note: The specific heat ratio and gas constant for air are given as k=1.4 and R=0.287 kJ/kg-K respectively.

--Given Values--
T1 (K) = 332
P1 (kPa) = 175
r = 10.5
rp = 1.24
rc = 1.18

a) Determine the specific internal energy (kJ/kg) at state 1.
Your Answer =
b) Determine the temperature (K) at state 2.
Your Answer =
c) Determine the pressure (kPa) at state 2.
Your Answer =
d) Determine the specific internal energy (kJ/kg) at state 2.
Your Answer =
e) Determine the temperature (K) at state 3.
Your Answer =
f) Determine the pressure (kPa) at state 3.
Your Answer =
g) Determine the specific internal energy (kJ/kg) at state 3.
Your Answer =
h) Determine the specific enthalpy (kJ/kg) at state 3.
Your Answer =
i) Determine the temperature (K) at state 4.
Your Answer =
j) Determine the pressure (kPa) at state 4.
Your Answer =
k) Determine the specific enthalpy (kJ/kg) at state 4.
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l) Determine the temperature (K) at state 5.
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m) Determine the pressure (kPa) at state 5.
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n) Determine the specific internal energy (kJ/kg) at state 5.
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o) Determine the net work per cycle (kJ/kg) of the engine.
Your Answer =
p) Determine the heat addition per cycle (kJ/kg) of the engine.
Your Answer =
q) Determine the efficiency (%) of the engine.
Your Answer =

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