Separate streams of steam and air flow through the turbine and heat exchanger arrangement shown in the figurebelow, where air enters location 5 at a rate of 1000 kg/min. The left turbine (Turbine 1) is able to produce 12,000 kWof power.Steady-state operating data are provided on the figure. Heat transfer with the surroundings can be neglected, as canall kinetic and potential energy effects.W2 = ?TurbineTurbine2P3 = 10 barT3 = ?T2 = 400°C_P2= 10 barT = 240°CP4 = 1 barSteaminP1 = 20 bar+6T = 600°CwwwT5 = 1500 K-5 Ps = 1.35 barHeat exchangerV T = 1200 KP6 = 1 barAir inDetermine:T3, in °C.• the mass flow rate of steam at 1, in kg/s.• the power output of the second turbine, in kW.• the magnitude of heat transfer between the steam and air, in kW.• the direction of the heat transfer (i.e., to the steam or from the steam).

Mass flow rate of air = 1000 kg/min = 16.67 kg/s Work of turbine 1 = 12000 kW Note ; As per…

Separate streams of steam and air flow through the turbine and heat exchanger arrangement shown in the figure below, where air enters location 5 at a rate of 1000 kg/min. The left turbine (Turbine 1) is able to produce 12,000 kW of power. Steady-state operating data are provided on the figure. Heat transfer with the surroundings can be neglected, as can all kinetic and potential energy effects.

Separate streams of steam and air flow through the turbine and heat exchanger arrangement shown in the figure below, where air enters location 5 at a rate of 1000 kg/min. The left turbine (Turbine 1) is able to produce 12,000 kW of power. Steady-state operating data are provided on the figure. Heat transfer with the surroundings can be neglected, as can all kinetic and potential energy effects.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Heat Exchangers

Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.

Heat Exchanger

The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.

Question

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Separate streams of steam and air flow through the turbine and heat exchanger arrangement shown in the figure
below, where air enters location 5 at a rate of 1000 kg/min. The left turbine (Turbine 1) is able to produce 12,000 kW
of power.
Steady-state operating data are provided on the figure. Heat transfer with the surroundings can be neglected, as can
all kinetic and potential energy effects.
W2 = ?
Turbine
Turbine
2
P3 = 10 bar
T3 = ?
T2 = 400°C_
P2= 10 bar
T = 240°C
P4 = 1 bar
Steam
in
P1 = 20 bar
+6
T = 600°C
www
T5 = 1500 K
-5 Ps = 1.35 bar
Heat exchanger
V T = 1200 K
P6 = 1 bar
Air in
Determine:
T3, in °C.
• the mass flow rate of steam at 1, in kg/s.
• the power output of the second turbine, in kW.
• the magnitude of heat transfer between the steam and air, in kW.
• the direction of the heat transfer (i.e., to the steam or from the steam).

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