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Consider a steam power plant that operates on an ideal reheat-regenerative Rankine cycle with two open feedwater heater, and one reheater. A coal of following analysis: C = O2 89.3%; H2 = = 5%; N₂ = 1.5%; S = 0.8%; 3.4% is used with 8% ash and 7% moisture. Steam enters the turbine at 15 MPa and 500°C and is condensed in the condenser at a pressure of 10 kPa. Some steam is extracted from the turbine at 4 MPa for the first feedwater heater, and the remaining steam is reheated at the same pressure to 500°C. The extracted steam is completely condensed in the heater and is pumped to 15 MPa before it mixes with the feedwater at the same pressure. Steam for the second open feedwater heater is extracted from the low-pressure turbine at a pressure of 0.5 MPa. The isentropic efficiencies are the 80% and 83% for the pumps and the turbines respectively. Take the specific volume at the inlet of all pumps as 0.00125m³/kg. Consider a steam power plant that operates on an ideal reheat-regenerative Rankine cycle with two open feedwater heater, and one reheater. A coal of following analysis: C = O2 89.3%; H2 = = 5%; N₂ = 1.5%; S = 0.8%; 3.4% is used with 8% ash and 7% moisture. Steam enters the turbine at 15 MPa and 500°C and is condensed in the condenser at a pressure of 10 kPa. Some steam is extracted from the turbine at 4 MPa for the first feedwater heater, and the remaining steam is reheated at the same pressure to 500°C. The extracted steam is completely condensed in the heater and is pumped to 15 MPa before it mixes with the feedwater at the same pressure. Steam for the second open feedwater heater is extracted from the low-pressure turbine at a pressure of 0.5 MPa. The isentropic efficiencies are the 80% and 83% for the pumps and the turbines respectively. Take the specific volume at the inlet of all pumps as 0.00125m³/kg.

Consider a steam power plant that operates on an ideal reheat-regenerative Rankine cycle with two open feedwater heater, and one reheater. A coal of following analysis: C = O2 89.3%; H2 = = 5%; N₂ = 1.5%; S = 0.8%; 3.4% is used with 8% ash and 7% moisture. Steam enters the turbine at 15 MPa and 500°C and is condensed in the condenser at a pressure of 10 kPa. Some steam is extracted from the turbine at 4 MPa for the first feedwater heater, and the remaining steam is reheated at the same pressure to 500°C. The extracted steam is completely condensed in the heater and is pumped to 15 MPa before it mixes with the feedwater at the same pressure. Steam for the second open feedwater heater is extracted from the low-pressure turbine at a pressure of 0.5 MPa. The isentropic efficiencies are the 80% and 83% for the pumps and the turbines respectively. Take the specific volume at the inlet of all pumps as 0.00125m³/kg. Consider a steam power plant that operates on an ideal reheat-regenerative Rankine cycle with two open feedwater heater, and one reheater. A coal of following analysis: C = O2 89.3%; H2 = = 5%; N₂ = 1.5%; S = 0.8%; 3.4% is used with 8% ash and 7% moisture. Steam enters the turbine at 15 MPa and 500°C and is condensed in the condenser at a pressure of 10 kPa. Some steam is extracted from the turbine at 4 MPa for the first feedwater heater, and the remaining steam is reheated at the same pressure to 500°C. The extracted steam is completely condensed in the heater and is pumped to 15 MPa before it mixes with the feedwater at the same pressure. Steam for the second open feedwater heater is extracted from the low-pressure turbine at a pressure of 0.5 MPa. The isentropic efficiencies are the 80% and 83% for the pumps and the turbines respectively. Take the specific volume at the inlet of all pumps as 0.00125m³/kg.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Consider a steam power plant that operates on an ideal reheat-regenerative Rankine cycle with two open feedwater heater, and one reheater. A coal of following analysis: C = O2 89.3%; H2 = = 5%; N₂ = 1.5%; S = 0.8%; 3.4% is used with 8% ash and 7% moisture. Steam enters the turbine at 15 MPa and 500°C and is condensed in the condenser at a pressure of 10 kPa. Some steam is extracted from the turbine at 4 MPa for the first feedwater heater, and the remaining steam is reheated at the same pressure to 500°C. The extracted steam is completely condensed in the heater and is pumped to 15 MPa before it mixes with the feedwater at the same pressure. Steam for the second open feedwater heater is extracted from the low-pressure turbine at a pressure of 0.5 MPa. The isentropic efficiencies are the 80% and 83% for the pumps and the turbines respectively. Take the specific volume at the inlet of all pumps as 0.00125m³/kg.
Transcribed Image Text:Consider a steam power plant that operates on an ideal reheat-regenerative Rankine cycle with two open feedwater heater, and one reheater. A coal of following analysis: C = O2 89.3%; H2 = = 5%; N₂ = 1.5%; S = 0.8%; 3.4% is used with 8% ash and 7% moisture. Steam enters the turbine at 15 MPa and 500°C and is condensed in the condenser at a pressure of 10 kPa. Some steam is extracted from the turbine at 4 MPa for the first feedwater heater, and the remaining steam is reheated at the same pressure to 500°C. The extracted steam is completely condensed in the heater and is pumped to 15 MPa before it mixes with the feedwater at the same pressure. Steam for the second open feedwater heater is extracted from the low-pressure turbine at a pressure of 0.5 MPa. The isentropic efficiencies are the 80% and 83% for the pumps and the turbines respectively. Take the specific volume at the inlet of all pumps as 0.00125m³/kg.
Consider a steam power plant that operates on an ideal reheat-regenerative Rankine cycle with two open feedwater heater, and one reheater. A coal of following analysis: C = O2 89.3%; H2 = = 5%; N₂ = 1.5%; S = 0.8%; 3.4% is used with 8% ash and 7% moisture. Steam enters the turbine at 15 MPa and 500°C and is condensed in the condenser at a pressure of 10 kPa. Some steam is extracted from the turbine at 4 MPa for the first feedwater heater, and the remaining steam is reheated at the same pressure to 500°C. The extracted steam is completely condensed in the heater and is pumped to 15 MPa before it mixes with the feedwater at the same pressure. Steam for the second open feedwater heater is extracted from the low-pressure turbine at a pressure of 0.5 MPa. The isentropic efficiencies are the 80% and 83% for the pumps and the turbines respectively. Take the specific volume at the inlet of all pumps as 0.00125m³/kg.
Transcribed Image Text:Consider a steam power plant that operates on an ideal reheat-regenerative Rankine cycle with two open feedwater heater, and one reheater. A coal of following analysis: C = O2 89.3%; H2 = = 5%; N₂ = 1.5%; S = 0.8%; 3.4% is used with 8% ash and 7% moisture. Steam enters the turbine at 15 MPa and 500°C and is condensed in the condenser at a pressure of 10 kPa. Some steam is extracted from the turbine at 4 MPa for the first feedwater heater, and the remaining steam is reheated at the same pressure to 500°C. The extracted steam is completely condensed in the heater and is pumped to 15 MPa before it mixes with the feedwater at the same pressure. Steam for the second open feedwater heater is extracted from the low-pressure turbine at a pressure of 0.5 MPa. The isentropic efficiencies are the 80% and 83% for the pumps and the turbines respectively. Take the specific volume at the inlet of all pumps as 0.00125m³/kg.
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