edith47

03.03.2020 • 

Engineering

A Diesel cycle engine is analyzed using the 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 gas constant for air is R=0.287 kJ/kg-K.

--Given Values--
T1 (K) = 306
P1 (kPa) = 140
r = 10
rc = 1.75

a) Determine the specific internal energy (kJ/kg) at state 1.
Your Answer =
b) Determine the relative specific volume at state 1.
Your Answer =
c) Determine the relative specific volume at state 2.
Your Answer =
d) Determine the temperature (K) at state 2.
Your Answer =
e) Determine the pressure (kPa) at state 2.
Your Answer =
f) Determine the specific enthalpy (kJ/kg) at state 2.
Your Answer =
g) Determine the temperature (K) at state 3.
Your Answer =
h) Determine the pressure (kPa) at state 3.
Your Answer =
i) Determine the specific enthalpy (kJ/kg) at state 3.
Your Answer =
j) Determine the relative specific volume at state 3.
Your Answer =
k) Determine the relative specific volume at state 4.
Your Answer =
l) Determine the temperature (K) at state 4.
Your Answer =
m) Determine the pressure (kPa) at state 4.
Your Answer =
n) Determine the specific internal energy (kJ/kg) at state 4.
Your Answer =
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 =

help A through Q

Ответ:

nicolasliberat

12.08.2020

Engineering

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