Question
In: Mechanical Engineering
A nuclear power plant based on the Rankine cycle operates with a boiling-water reactor to develop...
A nuclear power plant based on the Rankine cycle operates with a
boiling-water reactor to develop net cycle power of 3 MW. Steam
exits the reactor core at 100 bar, 620°C and expands through the
turbine to the condenser pressure of 1 bar. Saturated liquid exits
the condenser and is pumped to the reactor pressure of 100 bar.
Isentropic efficiencies of the turbine and pump are 81% and 78%,
respectively. Cooling water enters the condenser at 15°C with a
mass flow rate of 114.79 kg/s.
Determine:
(a) the percent thermal efficiency.
(b) the temperature of the cooling water exiting the condenser, in
°C.
Solutions
samet mamat answered 2 years agoRelated Solutions
Consider a steam power plant that operates on a reheat Rankine cycle and has a net...
Consider a steam power plant that operates on a reheat Rankine
cycle and has a net power output of 80 MW. Steam enters the
high-pressure turbine at 10 MPa and 500°C and the low-pressure
turbine at 1 MPa and 500°C. Steam leaves the condenser as a
saturated liquid at a pressure of 10 kPa. The isentropic efficiency
of the turbine is 78 percent and that of the pump is 95
percent.
a.)Determine the quality (or temperature, if superheated) of the...
Consider a steam power plant that operates on a reheat Rankine cycle and has a net...
Consider a steam power plant that operates on a reheat Rankine
cycle and has a net power output of 80 MW.
Steam enters the high-pressure turbine at 10 MPa and 500°C and the
low-pressure turbine at 1 MPa and 500°C. Steam leaves the condenser
as a saturated liquid at a pressure of 10 kPa. The isentropic
efficiency of the turbine is 80 percent, and that of the pump is 95
percent. Show the cycle on a T-s diagram with respect...
Consider a steam power plant that operates on a reheat Rankine cycle and has a net...
Consider a steam power plant that operates on a reheat Rankine
cycle and has a net power output of 80 MW. Steam enters the
high-pressure turbine at 10 MPa and 500°C and the low-pressure
turbine at 1 MPa and 500°C. Steam leaves the condenser as a
saturated liquid at a pressure of 10 kPa. The isentropic efficiency
of the turbine is 76 percent and that of the pump is 95
percent.
A: Determine the quality (or temperature, if superheated) of...
A steam power plant operates on a practical Rankine Cycle. The steam enters the turbine at...
A steam power plant operates on a practical Rankine Cycle. The
steam enters the turbine at 3 MPa and “648” K and is condensed in
the condenser at a pressure of 46 kPa. You are assigned on a
project to improve the thermal efficiency of this plant. a) Draw
the schematic of the plant and determine the thermal efficiency of
the practical cycle assuming that the efficiencies of pump and
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A steam power plant operates on the simple ideal rankine cycle. the steam enters the turbine...
A
steam power plant operates on the simple ideal rankine cycle. the
steam enters the turbine at 4 MPa and 500 C and leaves it at 50 kPa
and 150 C. the water leaves the condenser as a saturated liquid and
is subsequently displaced to the boiler by means of a pump at a
temperature of 85 C, which is the isentrophic efficiency of the
turbine?
A steam power plant operates on a regenerative Rankine cycle. Steam enters the turbine at 6...
A steam power plant operates on a regenerative Rankine cycle.
Steam enters the turbine at 6 MPa at 700 ºC and the condenser at 10
kPa. Turbine has isentropic efficiency of 85% and pumps have
isentropic efficiency of 90%. Steam is extracted from the turbine
at 0.6 MPa to heat the feedwater in an open feedwater heater. Water
leaves the open feedwater heater as saturated liquid.
a) Draw the system with labels and show the ideal and the
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In a power plant based on a simple Rankine cycle, steam enters the turbine at 15...
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an isentropic efficiency of 80%. Determine
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the enthalpy of the water leaving the pump.
A steam thermoelectric plant operates a Rankine cycle with overheating. Water enters the pump as saturated...
A steam thermoelectric plant operates a Rankine cycle with
overheating. Water enters the pump as saturated liquid , 7.7 kg/s.
The efficiency of the pump is 0.9 The water enters the high
pression turbine at 12 500 kPa and 550°C, after that steam
overheats at a constant pressure of 2000 kPa until 450°C before it
expands on the low pressure turbine. The efficiency of both
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A steam thermoelectric plant operates a Rankine cycle with overheating. Water enters the pump as saturated...
A steam thermoelectric plant operates a Rankine cycle with
overheating. Water enters the pump as saturated liquid , 7.7 kg/s.
The efficiency of the pump is 0.9 The water enters the high
pression turbine at 12 500 kPa and 550°C, after that steam
overheats at a constant pressure of 2000 kPa until 450°C before it
expands on the low pressure turbine. The efficiency of both
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A steam power plant operates on a regenerative Rankine
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enters the turbine at 12.5 MPa and 550ºC and exhausts to the
condenser at 10 kPa. Steam is extracted from the turbine at 1 MPa
for the closed feedwater heater and 0.8 MPa for the open one. The
feedwater is heated to the condensation temperature of the
extracted steam in the closed feedwater heater. The extracted steam
leaves the closed...
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