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QUESTION 1. In the continuous flow open system in the figure, saturated liquid water is heated in a heat exchanger at constant pressure and turned into saturated steam, and then it is brought to a temperature of 1 MPa and 600 $^\circ$C in a reversible adiabatic compressor. Since the power supplied in the compressor is 8 MW; a) Find the pressure and temperature at the compressor inlet. b) Find the mass flow rate (kg/s) circulating in the system c) Find the amount of heat exchange in unit time the heat exchanger. 

          QUESTION 1. In the continuous flow open system in the figure,
saturated liquid water is heated in a heat exchanger at
constant pressure and turned into saturated steam, and then
it is brought to a temperature of 1 MPa and 600 $^\circ$C in a reversible
adiabatic compressor. Since the power supplied in the
compressor is 8 MW;
a) Find the pressure and temperature at the compressor
inlet.
b) Find the mass flow rate (kg/s) circulating in the system
c) Find the amount of heat exchange in unit time
the heat exchanger.
Show more…
QUESTION 1. In the continuous flow open system in the figure, saturated liquid water is heated in a heat exchanger at constant pressure and turned into saturated steam, and then it is brought to a temperature of 1 MPa and 600 ^∘C in a reversible adiabatic compressor. Since the power supplied in the compressor is 8 MW; a) Find the pressure and temperature at the compressor inlet. b) Find the mass flow rate (kg/s) circulating in the system c) Find the amount of heat exchange in unit time the heat exchanger.

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University Physics with Modern Physics
University Physics with Modern Physics
Hugh D. Young 14th Edition
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QUESTION 1. In the continuous flow open system in the figure, P=1 MPa, T=60°C Saturated liquid water is heated in a heat exchanger at constant pressure and turned into saturated steam, and then it is brought to a temperature of 1 MPa and 60°C in a reversible adiabatic compressor. Since the power supplied in the compressor is 8 MW, find the amount of heat exchange (Q) in the system. a) Find the pressure and temperature at the compressor inlet. b) Find the mass flow rate (kg/s) circulating in the system. T=50°C, X=0 (saturated liquid) c) Find the amount of heat exchange per unit time in the heat exchanger. X=1 (saturated steam)
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Transcript

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00:01 So here we are given the pressure as p is equal to 7 megapascals and we have been asked to draw the internal energy of water at the given state of 7 megapascal in between pressure and volume through that of tv.
00:18 So first of all let us draw that graph.
00:21 So for that we have to use the steam a table.
00:26 So use a steam table to draw this graph and this graph can be drawn like this.
00:33 And here we will having the corresponding influence point because the pressure is at 7 megapascals.
00:41 So this point be e, this point is p, c, a, f, d.
00:54 Right.
00:55 For the a part the saturated vapor.
00:59 Okay we have to state the term c.
01:02 So for a part as saturated vapor is there.
01:11 So u not is equal to ug is equal to 2580 .5 kilojoules per kg.
01:21 What is this? this is entropy.
01:23 Okay then for b we have to state the entropy for saturated liquid.
01:33 Right.
01:35 So for that let's say ub equals to uf equals to 1257 .5 kg per kilojoules per kg.
01:48 This i am writing by using the steam table...
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