Fundamentals of Thermodynamics Solution Manual 7th. Edition by Claus Borgnakke, Richard E. Sonntag | Holooly

Fundamentals of Thermodynamics Solution Manual

2248 SOLVED PROBLEMS

Question: 16.CSGP.94

Redo the previous Problem but include the dissociation of oxygen and nitrogen. ...

Verified Answer:

1 \,kmol \text { air }\left(0.78 N _2, 0.21...

Question: 16.CSGP.93

Consider air at 2600 K, 1 MPa. Find the equilibrium concentration of NO neglecting dissociations of oxygen and nitrogen. ...

Verified Answer:

1 \,kmol \text { air }\left(0.78 \,N _2, 0....

Question: 16.CSGP.40

Assume the equilibrium mole fractions of oxygen and nitrogen are close to those in air, find the equilibrium mole fraction for NO at 3000 K, 500 kPa disregarding dissociations. ...

Verified Answer:

Assume the simple reaction to make NO as:

\...

Question: 12.CSGP.97

Consider an ideal air-standard Stirling cycle with an ideal regenerator. The minimum pressure and temperature in the cycle are 100 kPa, 25°C, the compression ratio is 10, and the maximum temperature in the cycle is 1000°C. Analyze each of the four processes in this cycle for work and heat transfer, ...

Verified Answer:

Ideal Stirling cycle diagram as in Fig. 12.17, wit...

Question: 17.SP.73

Repeat Problem 17.44 assuming a diffuser efficiency of 80%. ...

Verified Answer:

\begin{aligned}& V =1000 \,km / h =277....

Question: 17.SP.44

A jet plane travels through the air with a speed of 1000 km/h at an altitude of 6 km, where the pressure is 40 kPa and the temperature is −12°C. Consider the inlet diffuser of the engine where air leaves with a velocity of 100 m/s. Determine the pressure and temperature leaving the diffuser, and ...

Verified Answer:

V = 1000 km/h = 277.8 m/s,

v _1=\frac{ RT ...

Question: 17.CSGP.84

At what Mach number will the normal shock occur in the nozzle of Problem 17.53 if the back pressure is 1.4 MPa? (trial and error on Mx) ...

Verified Answer:

Relate the inlet and exit conditions to the shock ...

Question: 17.CSGP.83

The nozzle in Problem 17.46 will have a throat area of 0.001272 m² and an exit area 2.896 times as large. Suppose the back pressure is raised to 1.4 MPa and that the flow remains isentropic except for a normal shock wave. Verify that the shock mach number (Mx) is close to 2 and find the exit mach ...

Verified Answer:

(a) From Table A.12:

M_E=2.6

[la...

Question: 17.CSGP.82

Atmospheric air is at 20°C, 100 kPa with zero velocity. An adiabatic reversible compressor takes atmospheric air in through a pipe with cross-sectional area of 0.1 m² at a rate of 1 kg/s. It is compressed up to a measured stagnation pressure of 500 kPa and leaves through a pipe with cross-sectional ...

Verified Answer:

C.V. compressor out to standing air and exit to st...

Question: 17.CSGP.81

A convergent nozzle is used to measure the flow of air to an engine. The atmosphere is at 100 kPa, 25°C. The nozzle used has a minimum area of 2000 mm2 and the coefficient of discharge is 0.95. A pressure difference across the nozzle is measured to 2.5 kPa. Find the mass flow rate assuming ...

Verified Answer:

Assume

\mathbf{V} _{ i } \cong 0, \quad v ...

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