Question
In: Mechanical Engineering
At the beginning of compression process of an air standard dual cycle operating with a compression...
At the beginning of compression process of an air standard dual cycle operating with a compression ratio of 15.88, the pressure is 95 kPa and the temperature is 300 K. The cutoff ratio for the cycle is 1.15. Determine the thermal efficiency of cycle, if the pressure increases by a factor of 2.15 during the constant volume heat addition process. Use table F2 for variation of specific heats with temperature in the analysis.
Solutions
samet mamat answered 2 years agoRelated Solutions
At the beginning of the compression process of an air-standard dual cycle with a compression ratio...
At the beginning of the compression process of an air-standard
dual cycle with a compression ratio of 18, the temperature is 300K
and the pressure is 0.1 MPa. The pressure ratio for the constant
volume part of the heating process is 1:5:1. The volume ratio for
the constant pressure part of the heating process is 1:2:1.
Determine:
(a.) The temperature and pressure at the end of each process of
the cycle.
(b.) The thermal efficiency.
(c.) The mean effective pressure.
An air-standard dual cycle has a compression ratio of 14. At the beginning of compression, p1...
An air-standard dual cycle has a compression ratio of 14. At the
beginning of compression, p1 = 14.5
lbf/in.2, V1 = 0.5 ft3,
and T1 = 50°F. The pressure doubles during the
constant-volume heat addition process.
For a maximum cycle temperature of 3500°R, determine:
(a) the heat addition to the cycle, in Btu.
(b) the net work of the cycle, in Btu.
(c) the percent thermal efficiency.
(d) the mean effective pressure, in lbf/in.2
At the beginning of the compression process of an air standard Otto cycle, p1 = 1...
At the beginning of the compression process of an air standard
Otto cycle, p1 = 1 bar, T1
= 300 K. The maximum temperature in the cycle is 2250 K and
the compression ratio is 9.8. The engine has 4 cylinders and an
engine displacement of Vd = 2.0 L. Determine
per cylinder:
a) the volume at state 1.
b) the air mass per cycle.
c) the heat addition per cycle, in kJ.
d) the heat rejection per cycle, in
kJ.
e) the net work...
At the beginning of the compression process of an air standard Otto cycle, p1 = 1...
At the beginning of the compression process of an air standard
Otto cycle, p1 = 1 bar, T1 = 300 K. The maximum temperature in the
cycle is 2250 K and the compression ratio is 9.8. The engine has 4
cylinders and an engine displacement of Vd = 2.6 L. Determine per
cylinder:
a) the volume at state 1. (IN LITERS) I have tried 2.8L 0.945 L
and 0.789 L but i keep getting it wrong.
b) the air mass...
At the beginning of the compression process of an air standard Otto cycle, p1 = 1...
At the beginning of the compression process of an air standard
Otto cycle, p1 = 1 bar, T1
= 300 K. The maximum temperature in the cycle is 2250 K and
the compression ratio is 9.8. The engine has 4 cylinders and an
engine displacement of Vd = 2.7 L. Determine
per cylinder:
c) the heat addition per cycle, in
kJ.
d) the heat rejection per cycle, in
kJ.
e) the net work per cycle, in kJ.
f) the thermal efficiency.
g) the mean effective...
At the beginning of the compression process of an air standard Otto cycle, p1 = 1...
At the beginning of the compression process of an air standard
Otto cycle, p1 = 1 bar, T1 = 300 K. The maximum temperature in the
cycle is 2250 K and the compression ratio is 9.8. The engine has 4
cylinders and an engine displacement of Vd = 2.7 L. Determine per
cylinder: a) the volume at state 1. b) the air mass per cycle. c)
the heat addition per cycle, in kJ. d) the heat rejection per
cycle, in...
At the beginning of the compression process of an air standard Otto cycle, p1 = 1...
At the beginning of the compression process of an air standard
Otto cycle, p1 = 1 bar, T1
= 300 K. The maximum temperature in the cycle is 2250 K and
the compression ratio is 9.8. The engine has 4 cylinders and an
engine displacement of Vd = 2.2 L. Determine
per cylinder:
c) the heat addition per cycle, in
kJ.
d) the heat rejection per cycle, in
kJ.
e) the net work per cycle, in kJ.
f) the thermal efficiency.
g) the mean effective...
In an ideal standard dual cycle, the pressure and temperature at the beginning of compression are...
In an ideal standard dual cycle, the pressure and temperature at
the beginning of compression are 1 bar and 47°C, respectively. The
heat supplied in the cycle is 1250kJ/kg, two third of this heat is
being added at constant volume and the remaining heat is added at
constant pressure. If the compression ratio is 16, determine
i. the maximum temperature in cycle
ii. thermal efficiency of the cycle
iii. the mean effective pressure
At the beginning of the compression process of an air-standard Otto cycle, p1 = 1 bar...
At the beginning of the compression process of an air-standard
Otto cycle, p1 = 1 bar and T1 = 300 K. The compression ratio is 3.5
and the heat addition per unit mass of air is 1400 kJ/kg.
Determine: (a) the maximum temperature of the cycle, in K. (b) the
net work, in kJ/kg. (c) the percent thermal efficiency of the
cycle. (d) the mean effective pressure, in kPa.
At the beginning of the compression process of an air-standard Otto cycle, p1 = 1 bar,...
At the beginning of the compression process of an air-standard
Otto cycle, p1 = 1 bar, T1 = 290 K, V1 = 400 cm3. The maximum
temperature in the cycle is 2200 K and the compression ratio is 8.
Determine (a) the heat addition, in kJ. kJ (b) the net work, in kJ.
kJ (c) the thermal efficiency. % (d) the mean effective pressure,
in bar. bar (e) Develop a full accounting of the exergy transferred
to the air during...
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- #Python 5. Write function called evaluate() that evaluates the following Python expressions or assignments as specified:...
- Suggest journal, research paper link reference. i need this as reference for writing a research with...
- Cryptography is used heavily in internet communications. True or false? Explain
- Suppose Rialto is the only movie cinema in a small college town, so it is essentially...
- With VMI, members of the supply chain share planning, demand, forecasting, and inventory information.
- Large lots are desirable in supply chain coordination despite increasing holding costs.
- ***Convert the C++ to Python*** #include <iostream> using std::cout; using std::cin; using std::endl; int charClass; char...
ADVERTISEMENT