Saturated liquid water at 100 kg/s flow and 70 bar pressure coming from a geothermal wellbore is throttled at a pressure of 30 bar and then steam and liquid are separated using a separator. The saturated steam is then passed through a turbine. The separated liquid is throttled again up to 10 bar and then second separation is made. The separated steam after second separation is mixed with the first stage flow through the turbine at 10 bar pressure, as shown in the figure below. The combined mass is then passed through next stage of the turbine and exited at 0.1 bar. Calculate the total work output from the turbine. The cycle diagram and T-S diagram are shown below. Assume isentropic efficiency of the turbine as 85 percent.
Saturated liquid water at 100 kg/s flow and 70 bar pressure coming from a geothermal wellbore is throttled at a pressure of 30 bar and then steam and liquid are separated using a separator. The saturated steam is then passed through a turbine. The separated liquid is throttled again up to 10 bar and then second separation is made. The separated steam after second separation is mixed with the first stage flow through the turbine at 10 bar pressure, as shown in the figure below. The combined mass is then passed through next stage of the turbine and exited at 0.1 bar. Calculate the total work output from the turbine. The cycle diagram and T-S diagram are shown below. Assume isentropic efficiency of the turbine as 85 percent.
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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Transcribed Image Text:Saturated liquid water at 100 kg/s flow and 70 bar pressure coming from a geothermal wellbore
is throttled at a pressure of 30 bar and then steam and liquid are separated using a separator.
The saturated steam is then passed through a turbine. The separated liquid is throttled again up
to 10 bar and then second separation is made. The separated steam after second separation is
mixed with the first stage flow through the turbine at 10 bar pressure, as shown in the figure
below. The combined mass is then passed through next stage of the turbine and exited at 0.1
bar. Calculate the total work output from the turbine. The cycle diagram and T-S diagram are
shown below. Assume isentropic efficiency of the turbine as 85 percent.
T
Critical point
Saturation
Curve
Turbine
Separalor
lashing
Compressed
liguid
Superheated
Vapor
Cooling Toner
Separator
HP turbine
Condencer
flashing
7/
flasher
5s
Flasher
iquid vapor
LP turbine
mistures
11
12
10s
Condenser
10
Pump
S
Production Wells
Re-injection Well
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