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pump), where steam enters the turbine at 600 "C and exhausts at 30 kPa. The boiler Consider a power plant opetating on the standard Rankine cycle (isentropic turbine and pertes at a pressure of 5000 kPa. You ars given the data below for superheated and saturated steam. V (cm/g) 78.616 Superheated steam at 600 °C and 5000 kľa H (kJ kg'') 3664.5 S (kJ K' kg') 7.2578 V (cm'/g) Vapour 5255.8 Saturated steam at 30 kPa H (kJ kg'') Vapour 2625.2 S (kJ K' kg'). Liquid 0.9426 Liquid Liquid 288.8 Vapour 7.7714 1.022 a) Sketch the standard Rankine cycle on a T-S diagram b) Show that the quality of the saturated stream at the turbine outlet is 0.925, hence find H3 (cnthalpy at the turbine outlet or condenser inlet) c) Show that the work required by the pump is 5.08 kJ kg', hence find H1 (enthalpy at the pump exit or boiler inlet) d) Determinc the thermal efficiency (Nth) of the abovc power cycle (Don't ignorc pump work) c) Determinc the steam ratc required for a 50 MW plant f Determinc the heat transfer rates in the boiler.

pump), where steam enters the turbine at 600 "C and exhausts at 30 kPa. The boiler Consider a power plant opetating on the standard Rankine cycle (isentropic turbine and pertes at a pressure of 5000 kPa. You ars given the data below for superheated and saturated steam. V (cm/g) 78.616 Superheated steam at 600 °C and 5000 kľa H (kJ kg'') 3664.5 S (kJ K' kg') 7.2578 V (cm'/g) Vapour 5255.8 Saturated steam at 30 kPa H (kJ kg'') Vapour 2625.2 S (kJ K' kg'). Liquid 0.9426 Liquid Liquid 288.8 Vapour 7.7714 1.022 a) Sketch the standard Rankine cycle on a T-S diagram b) Show that the quality of the saturated stream at the turbine outlet is 0.925, hence find H3 (cnthalpy at the turbine outlet or condenser inlet) c) Show that the work required by the pump is 5.08 kJ kg', hence find H1 (enthalpy at the pump exit or boiler inlet) d) Determinc the thermal efficiency (Nth) of the abovc power cycle (Don't ignorc pump work) c) Determinc the steam ratc required for a 50 MW plant f Determinc the heat transfer rates in the boiler.

Elements Of Electromagnetics
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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Please solve part d, e and F only
Consider a power plant operating on the standard Rankine cycle (isentropic turbine and pump), where steam enters the turbing at 600 " and exhausts at 30 kľa. The Bone saturated t a pressure of 5000 kPa. You ars viven the data below for superheated and Superheated steam at 600 °C and 5000 kPa H (kJ kg') S (kJ K' kg') 7.2578 V (cm/g) 78.616 3664.5 V (cm'/g) Vapour 5255.8 Saturated steam at 30 kPa H (kJ kg'') Vapour 2625.2 S (kJ K kg) Liquid 0.9426 Liquid 1.022 Liquid 288.8 Vapour 7.7714 a) Sketch the standard Rankine cycle on a T-S diagram b) Show that the quality of the saturated stream at the turbine outlet is 0.925, hence find H) (enthalpy at the turbine outlet or condenser inlet) c) Show that the work required by the pump is 5.08 kJ kg', hence find H1 (enthalpy at the pump exit or boiler inlet) d) Determinc the thermal efficiency (Nth) of the above power cycle (Don't ignore pump work) c) Determinc the steam rate required for a 50 MW plant f) Determine the heat transfer rates in the boiler.
Transcribed Image Text:Consider a power plant operating on the standard Rankine cycle (isentropic turbine and pump), where steam enters the turbing at 600 " and exhausts at 30 kľa. The Bone saturated t a pressure of 5000 kPa. You ars viven the data below for superheated and Superheated steam at 600 °C and 5000 kPa H (kJ kg') S (kJ K' kg') 7.2578 V (cm/g) 78.616 3664.5 V (cm'/g) Vapour 5255.8 Saturated steam at 30 kPa H (kJ kg'') Vapour 2625.2 S (kJ K kg) Liquid 0.9426 Liquid 1.022 Liquid 288.8 Vapour 7.7714 a) Sketch the standard Rankine cycle on a T-S diagram b) Show that the quality of the saturated stream at the turbine outlet is 0.925, hence find H) (enthalpy at the turbine outlet or condenser inlet) c) Show that the work required by the pump is 5.08 kJ kg', hence find H1 (enthalpy at the pump exit or boiler inlet) d) Determinc the thermal efficiency (Nth) of the above power cycle (Don't ignore pump work) c) Determinc the steam rate required for a 50 MW plant f) Determine the heat transfer rates in the boiler.
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