(a) Explanation Given: Inlet pressure of air ( P 1 ) is 80 kPa . Inlet temperature of air ( T 1 ) is 27 ° C . Inlet velocity of air ( V 1 ) is 220 m / s . Mass flow rate of air ( m ˙ ) is 2.5 kg / s . Exit temperature of air ( T 2 ) is 42 ° C . Exit area of the diffuser ( A 2 ) is 400 cm 2 . Rate at which the heat is lost ( Q ˙ out ) is 18 kJ / s . Calculation: Refer Table A-1, “Molar mass, gas constant, and critical-point properties”, obtain the gas constant of air. R = 0.287 kPa ⋅ m 3 / kg ⋅ K . Refer Table A-21, “Ideal-gas properties of air”, obtain the inlet enthalpy of the air at the temperature of 27 ° C . h 1 = 300.19 kJ / kg . Refer Table A-21, “Ideal-gas properties of air”, obtain the exit enthalpy of the air at the temperature of 42 ° C . h 2 = 315.27 kJ / kg . Calculate the exit velocity of the air ( V 2 ) using the steady-flow energy balance equation. E ˙ in − E ˙ out = Δ E ˙ system E ˙ in − E ˙ out = 0 E ˙ in = (b) To determine The exit pressure of the air.

5th Edition

ISBN: 9780078027680

Author: Yunus A. Cengel Dr., Robert H. Turner, John M. Cimbala

Publisher: McGraw-Hill Education

See similar textbooks

Videos

Question

Chapter 6, Problem 35P

(a)

To determine

The exit velocity of the air.

(b)

To determine

The exit pressure of the air.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Chapter 6, Problem 34P

Chapter 6, Problem 36P

Students have asked these similar questions

Study Area Document Sharing User Settings mylabmastering.pearson.com Access Pearson P Pearson MyLab and Mastering The 150-lb skater passes point A with a speed of 6 ft/s. (Figure 1) Figure 1 of 1 Part A P Course Home b My Questions | bartleby Determine his speed when he reaches point B. Neglect friction. Express your answer to three significant figures and include the appropriate units. με ? VB = Value Units Submit Request Answer Part B Determine the normal force exerted on him by the track at this point. Express your answer to three significant figures and include the appropriate units. ☐ о Α NB = Value Units Submit Request Answer Provide Feedback ? ■Review Next >

mylabmastering.pearson.com Access Pearson P Pearson MyLab and Mastering P Course Home b My Questions | bartleby Study Area Document Sharing User Settings The 100-kg crate is subjected to the forces shown. The crate is originally at rest. The coefficient of kinetic friction between the crate and the surface is μk = 0.2. (Figure 1) Part A Determine the distance it slides in order to attain a speed of 8.1 m/s. Express your answer to three significant figures and include the appropriate units. Figure 500 N 1 of 1 Α S = Value Units Submit Request Answer Provide Feedback ? ■Review Next >

The differential equation of a DC motor can be described by the following equation Find the transfer function between the applied voltage ( Va)and the motor speed (thetadot m). What is the steady state speed of the motor after a voltage (Va = 10V) has been applied. Find the transfer function between the applied voltage (Va) and the shaft angle (thetadot m) .

Chapter 6 Solutions

Fundamentals of Thermal-Fluid Sciences

Ch. 6 - Prob. 1P Ch. 6 - Define mass and volume flow rates. How are they...Ch. 6 - Does the amount of mass entering a control volume...Ch. 6 - Consider a device with one inlet and one outlet....Ch. 6 - The ventilating fan of the bathroom of a building...Ch. 6 - Air whose density is 0.078 lbm/ft3 enters the duct...Ch. 6 - Air enters a 28-cm diameter pipe steadily at 200...Ch. 6 - A steady-flow compressor is used to compress...Ch. 6 - Prob. 9P Ch. 6 - A desktop computer is to be cooled by a fan whose...

Ch. 6 - Prob. 11P Ch. 6 - Prob. 12P Ch. 6 - Prob. 13P Ch. 6 - Prob. 14P Ch. 6 - Prob. 15P Ch. 6 - Prob. 16P Ch. 6 - A house is maintained at 1 atm and 24°C, and warm...Ch. 6 - Prob. 18P Ch. 6 - Prob. 19P Ch. 6 - Prob. 20P Ch. 6 - Prob. 21P Ch. 6 - The kinetic energy of a fluid increases as it is...Ch. 6 - Prob. 23P Ch. 6 - Air enters a nozzle steadily at 50 psia, 140°F,...Ch. 6 - Prob. 25P Ch. 6 - Prob. 26P Ch. 6 - Air at 600 kPa and 500 K enters an adiabatic...Ch. 6 - Prob. 28P Ch. 6 - Prob. 29P Ch. 6 - Air at 13 psia and 65°F enters an adiabatic...Ch. 6 - Prob. 31P Ch. 6 - Prob. 32P Ch. 6 - Prob. 33P Ch. 6 - Steam at 4 MPa and 400°C enters a nozzle steadily...Ch. 6 - Prob. 35P Ch. 6 - Prob. 36P Ch. 6 - Prob. 37P Ch. 6 - Prob. 38P Ch. 6 - Prob. 39P Ch. 6 - Prob. 40P Ch. 6 - Prob. 41P Ch. 6 - Prob. 42P Ch. 6 - Prob. 43P Ch. 6 - Helium is to be compressed from 105 kPa and 295 K...Ch. 6 - Carbon dioxide enters an adiabatic compressor at...Ch. 6 - Air is compressed from 14.7 psia and 60°F to a...Ch. 6 - Prob. 47P Ch. 6 - An adiabatic gas turbine expands air at 1300 kPa...Ch. 6 - Steam flows steadily into a turbine with a mass...Ch. 6 - Prob. 50P Ch. 6 - Prob. 51P Ch. 6 - Prob. 52P Ch. 6 - Prob. 53P Ch. 6 - Prob. 54P Ch. 6 - Refrigerant-134a is throttled from the saturated...Ch. 6 - Prob. 56P Ch. 6 - Prob. 57P Ch. 6 - Prob. 58P Ch. 6 - Prob. 59P Ch. 6 - Prob. 60P Ch. 6 - Prob. 61P Ch. 6 - Prob. 62P Ch. 6 - Prob. 63P Ch. 6 - Prob. 64P Ch. 6 - Prob. 65P Ch. 6 - Prob. 66P Ch. 6 - Prob. 67P Ch. 6 - Prob. 68P Ch. 6 - Prob. 69P Ch. 6 - Prob. 70P Ch. 6 - A thin-walled double-pipe counter-flow heat...Ch. 6 - Prob. 72P Ch. 6 - Prob. 73P Ch. 6 - Prob. 74P Ch. 6 - Prob. 75P Ch. 6 - Prob. 77P Ch. 6 - Prob. 78P Ch. 6 - Prob. 79P Ch. 6 - Prob. 80P Ch. 6 - Prob. 81P Ch. 6 - Prob. 82P Ch. 6 - Prob. 83P Ch. 6 - Prob. 84P Ch. 6 - Prob. 85P Ch. 6 - The components of an electronic system dissipating...Ch. 6 - Prob. 87P Ch. 6 - Prob. 88P Ch. 6 - Prob. 89P Ch. 6 - Prob. 90P Ch. 6 - Prob. 91P Ch. 6 - Prob. 92P Ch. 6 - Prob. 93P Ch. 6 - A house has an electric heating system that...Ch. 6 - Prob. 95P Ch. 6 - Refrigerant-134a enters the condenser of a...Ch. 6 - Prob. 97P Ch. 6 - Prob. 98P Ch. 6 - Prob. 99P Ch. 6 - Prob. 100P Ch. 6 - Air enters the duct of an air-conditioning system...Ch. 6 - Prob. 102P Ch. 6 - A rigid, insulated tank that is initially...Ch. 6 - Prob. 105P Ch. 6 - Prob. 106P Ch. 6 - Prob. 107P Ch. 6 - Prob. 108P Ch. 6 - Prob. 109P Ch. 6 - An air-conditioning system is to be filled from a...Ch. 6 - Prob. 111P Ch. 6 - A 0.06-m3 rigid tank initially contains...Ch. 6 - A 0.3-m3 rigid tank is filled with saturated...Ch. 6 - Prob. 114P Ch. 6 - A 0.3-m3 rigid tank initially contains...Ch. 6 - Prob. 116P Ch. 6 - Prob. 117P Ch. 6 - An insulated 40-ft3 rigid tank contains air at 50...Ch. 6 - A vertical piston–cylinder device initially...Ch. 6 - A vertical piston–cylinder device initially...Ch. 6 - The air in a 6-m × 5-m × 4-m hospital room is to...Ch. 6 - Prob. 124RQ Ch. 6 - Prob. 125RQ Ch. 6 - Prob. 126RQ Ch. 6 - Prob. 127RQ Ch. 6 - Prob. 128RQ Ch. 6 - Prob. 129RQ Ch. 6 - Prob. 130RQ Ch. 6 - Prob. 131RQ Ch. 6 - Prob. 132RQ Ch. 6 - Steam enters a nozzle with a low velocity at 150°C...Ch. 6 - Prob. 134RQ Ch. 6 - Prob. 135RQ Ch. 6 - Prob. 136RQ Ch. 6 - In large steam power plants, the feedwater is...Ch. 6 - Prob. 138RQ Ch. 6 - Prob. 139RQ Ch. 6 - Prob. 140RQ Ch. 6 - Prob. 141RQ Ch. 6 - Prob. 142RQ Ch. 6 - Prob. 143RQ Ch. 6 - Prob. 144RQ Ch. 6 - Prob. 145RQ Ch. 6 - Prob. 146RQ Ch. 6 - Repeat Prob. 6–146 for a copper wire ( = 8950...Ch. 6 - Prob. 148RQ Ch. 6 - Prob. 149RQ Ch. 6 - Prob. 150RQ Ch. 6 - Prob. 151RQ Ch. 6 - Prob. 152RQ Ch. 6 - Prob. 153RQ Ch. 6 - An adiabatic air compressor is to be powered by a...Ch. 6 - Prob. 156RQ Ch. 6 - Prob. 157RQ Ch. 6 - Prob. 158RQ Ch. 6 - Prob. 159RQ Ch. 6 - Prob. 160RQ Ch. 6 - Prob. 161RQ Ch. 6 - Prob. 162RQ Ch. 6 - Prob. 163RQ Ch. 6 - Prob. 164RQ Ch. 6 - Prob. 166RQ Ch. 6 - Prob. 167RQ Ch. 6 - Prob. 168RQ Ch. 6 - Prob. 169RQ

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.