In a steam turbine plant steam expands in the high pressure turbine from 5000kPa, 500°C to 500kPa with an isentropic efficiency of 0.9. It is then reheated isobarically to 500°C before entering the low pressure turbine. In the low pressure turbine the steam expands to dry saturated, 5kPa. The condensate leaves the condenser with 4° of undercooling. Determine: (a). the condition of the high presfsure turbine exhaust (b). the isentropic efficiency of the low pressure turbine (c). the specific steam consumption for a turbine output power of 7.5MW (d). the Rankine efficiency including the feed pump
In a steam turbine plant steam expands in the high pressure turbine from 5000kPa, 500°C to 500kPa with an isentropic efficiency of 0.9. It is then reheated isobarically to 500°C before entering the low pressure turbine. In the low pressure turbine the steam expands to dry saturated, 5kPa. The condensate leaves the condenser with 4° of undercooling. Determine: (a). the condition of the high presfsure turbine exhaust (b). the isentropic efficiency of the low pressure turbine (c). the specific steam consumption for a turbine output power of 7.5MW (d). the Rankine efficiency including the feed pump
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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![In a steam turbine plant steam expands in the high pressure turbine from
5000kPa, 500°C to 500kPa with an isentropic efficiency of 0.9. It is then
reheated isobarically to 500°C before entering the low pressure turbine. In
the low pressure turbine the steam expands to dry saturated, 5kPa. The
condensate leaves the condenser with 4° of undercooling.
Determine:
(a). the condition of the high presfsure turbine exhaust
(b). the isentropic efficiency of the low pressure turbine
(c). the specific steam consumption for a turbine output power
of 7.5MW
(d). the Rankine efficiency including the feed pump](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F34b1fd0e-6339-40d1-853b-2fcd2a2cc4e3%2F62296b62-963d-4de9-bb7c-04d7532f89cf%2Fcwzb1a3_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In a steam turbine plant steam expands in the high pressure turbine from
5000kPa, 500°C to 500kPa with an isentropic efficiency of 0.9. It is then
reheated isobarically to 500°C before entering the low pressure turbine. In
the low pressure turbine the steam expands to dry saturated, 5kPa. The
condensate leaves the condenser with 4° of undercooling.
Determine:
(a). the condition of the high presfsure turbine exhaust
(b). the isentropic efficiency of the low pressure turbine
(c). the specific steam consumption for a turbine output power
of 7.5MW
(d). the Rankine efficiency including the feed pump
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