Question

Air enters a length of constant area pipe with p1 = 490 kPa (abs), T1 =...

Air enters a length of constant area pipe with p1 = 490 kPa (abs), T1 = 450 K, and V1 = 130 m/s. The diameter of the pipe is 0.1 m. If 480 kW of energy is added to the air by frictionless heat transfer between sections (1) and (2), determine p2, T2, and V2.

Engineering   Mechanical-Engineering   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Red boxes are for the properties of air taken from property table.

Answer is in the purple boxes.

your answer might slightly varry depending upon the air properties you take.

You might also see 103 multipled twice. One of them is to convert kW into Watt.Another is for kJ/ kgK to J/ kgK

Hope you are satisfied with the solution

Please give a like

Please do not downvote directly before commenting your query first

THANK YOU

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
6) Air at 288 K and 275 kPa abs enters a pipe and is flowing in...
6) Air at 288 K and 275 kPa abs enters a pipe and is flowing in isothermal compressible flow in a commercial pipe having an ID of 0.080 m. The length of the pipe is 60 m. The mass velocity at the entrance to the pipe is 165.5 kg/m2 · s. Assume 29 for the mol ecular weight of air. Calculate the pressure at the exit.
Water at p1 = 20 bar, T1 = 400oC enters a turbine operating at steady state...
Water at p1 = 20 bar, T1 = 400oC enters a turbine operating at steady state and exits at p2 = 1.5 bar, T2 = 230oC. The water mass flow rate is 4000 kg/hour. Stray heat transfer and kinetic and potential energy effects are negligible. Determine the power produced by the turbine, in kW, and the rate of entropy production in the turbine, in kW/K.
Steam enters a converging-diverging nozzle at steady state with P1 = 40bar T1 = 400°C and...
Steam enters a converging-diverging nozzle at steady state with P1 = 40bar T1 = 400°C and a velocity of 12m/s. The steam flows through the nozzle with negligible heat transfer and no significant change in potential energy. At the exit P2 = 15bar and the velocity is 700 m/s. The mass flow rate is 2.5 kg/s. Determine the exit area of the nozzle in m2
Air at T1 = 32°C, p1 = 1 bar, 50% relative humidity enters an insulated chamber...
Air at T1 = 32°C, p1 = 1 bar, 50% relative humidity enters an insulated chamber operating at steady state with a mass flow rate of 3 kg/min and mixes with a saturated moist air stream entering at T2 = 7°C, p2 = 1 bar. A single mixed stream exits at T3 = 17°C, p3 = 1 bar. Neglect kinetic and potential energy effects A) Determine mass flow rate of the moist air entering at state 2, in kg/min. (Answer...
Assume that air is drawn steadily through a frictionless, adiabatic converging‐diverging nozzle into a frictionless, constant‐area...
Assume that air is drawn steadily through a frictionless, adiabatic converging‐diverging nozzle into a frictionless, constant‐area duct with heat addition. The air enters the constant area pipe section at a static pressure of 200 kPa, static temperature of 500K, and velocity of 400 m/s. (a) If 500 kJ/kg is removed from the flow, determine the static pressure, static temperature and velocity of the flow leaving the duct. (b) What is the maximum amount of heat addition for these inflow conditions?...
Air flows in a pipe with a diameter, D=50 mm. The inlet conditions are: M1 =...
Air flows in a pipe with a diameter, D=50 mm. The inlet conditions are: M1 = 3; total pressure, P01 = 1000 kPa absolute; and temperature, T1 = 550 K. The friction coefficient is, f = 0.004. The exit Mach number decreases with the length of the pipe. Write a Matlab code and plot the following while the exit Mach number to be changed from 2.5 to 0.99 with decrements of ?M=0.01: a) L, length of the pipe that is...
A steam turbine has inlet steam pressure p1 = 1.4 MPa absolute. Inlet steam temperature is...
A steam turbine has inlet steam pressure p1 = 1.4 MPa absolute. Inlet steam temperature is T1 = 400 oC. This corresponds to inlet enthalpy per unit mass of h1 = 3121 kJ/kg. Exit pressure of the steam is p2 = 101 kPa absolute. Exit steam temperature is T2 = 100 oC. This corresponds to exit enthalpy per unit mass of h2 = 2676 kJ/kg. Inlet speed of the steam is V1 = 15 m/s and exit speed is V2...
Air enters a constant area combustion chamber at 100 m/s and 400 K. Determine the exit...
Air enters a constant area combustion chamber at 100 m/s and 400 K. Determine the exit conditions if the heat added is (a) 1000 kJ/kg and (b) 2000 kJ/kg. Also determine the ratio of mass flow rates between the two cases. Assume that the inlet stagnation conditions remain the same for the two cases . [1281 K, 0.67; 1941 K, 1; 1.233] please give answer correctly
1) A nozzle is a device for increasing the velocity of a steadily flowing stream of...
1) A nozzle is a device for increasing the velocity of a steadily flowing stream of fluid. At the inlet to a certain nozzle the enthalpy of the fluid is 3025 kJ/kg and the velocity is 60 m/s. At the exit from the nozzle the enthalpy is 2790 kJ/kg. The nozzle is horizontal and there is negligible heat loss from it. (i) Find the velocity at the nozzle exit. (ii) If the inlet area is 0.1 m2 and specific volume...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT