If stream 5 is saturated liquid with H5 = 259.636 kJ/kg and P5 = 22 kPa, what is the enthalpy of stream 6? and 7? (1)(2)(3)(7)boilerturbine Amixer187.96 deg C13 МPа570 deg13 MPа230 deg C1.2 MPa1.2 MPаsat. liquid(4)(5)(6)condenserpump Aturbine BT = ?T = ?T= same as (5)22 kPa22 kPa1.2 MPa0.9 qualitysteamW= -1989 kW15 MPаpump B

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If stream 5 is saturated liquid with H5 = 259.636 kJ/kg and P5 = 22 kPa, what is the enthalpy of stream 6? and 7?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Chemical and Phase Equilibrium

Phase diagrams or equilibrium phase diagrams are the graphical representations that show the phase transformations of the constituting elements with respect to the pressure, temperature, and compositions. The diagrams show the conditions that limit the different phases, namely solid, liquid, and gas. The diagram can also be utilized to verify the relations between the state variables. Most of the phase diagrams are temperature-pressure phase diagrams, with the variable parameter as the composition. Usually other variables such as solubility and pressure parameters are not indicated in the phase diagram. For a one-component system (unary phase diagram), the phase diagram is generally a function of temperature and pressure as the state variables, or temperature and volume. However, for a binary system (two-phase) having two components, the phase diagram is a function of temperature and composition as the state variables only. Coexisting of the different phases of the constituting elements is indicated in the phase diagram. A ternary phase diagram can be characterized by consisting of three phases in equilibrium.

Question

If stream 5 is saturated liquid with H₅ = 259.636 kJ/kg and P₅ = 22 kPa, what is the enthalpy of stream 6? and 7?

(1)
(2)
(3)
(7)
boiler
turbine A
mixer
187.96 deg C
13 МPа
570 deg
13 MPа
230 deg C
1.2 MPa
1.2 MPа
sat. liquid
(4)
(5)
(6)
condenser
pump A
turbine B
T = ?
T = ?
T= same as (5)
22 kPa
22 kPa
1.2 MPa
0.9 quality
steam
W= -1989 kW
15 MPа
pump B

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