Cold feedwater enters a 200-kPa open feedwater heater of a regenerative Rankine cycle at 70^∘ C with a flow rate of 10  kg / s . Bleed steam is available from the turbine at 200 kPa and 160^∘ C. At what rate must bleed steam be supplied to the open feedwater heater so the feedwater leaves this unit as a saturated liquid? | Numerade
Cold feedwater enters a 200-kPa open feedwater heater of a regene…
2021年3月18日
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The closed feed water heater of a regenerative Rankine cycle is to heat 7000 kPa feed water from 260^∘ C to a saturated liquid. The turbine supplies bleed steam at 6000 kPa and 325^∘ C to this unit. This steam is condensed to a saturated liquid before entering the pump. Calculate the amount of bleed steam required to heat 1 kg of feed water in this unit. | Numerade
The closed feed water heater of a regenerative Rankine cycle is to h…
2020年5月12日
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SOLVED:A Rankine steam cycle modified for reheat, a closed feedwater heater, and an open feedwater heater is shown below. The high-pressure turbine receives 100  kg / s of steam from the steam boiler. The feedwater heater exit states for the boiler feedwater and the condensed steam are the normally assumed ideal states. The following data tables give the saturation data for the pressures and data for h and s at selected states. (a) Sketch the T -s diagram for the ideal cycle. (b) Determine the n
SOLVED:A Rankine steam cycle modified for reheat, a closed feed…
2021年3月18日
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SOLVED: Consider a steam power plant that operates on an ideal reheat-regenerative Rankine cycle with one open feedwater heater, one closed feedwater heater, and one reheater. Steam enters the turbine at 15 MPa and 600°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 closed feedwater heater, and the remaining steam is reheated at the same pressure to 600°C. The extracted steam is completely condensed in the heater and is pum
SOLVED: Consider a steam power plant that operates on an ideal reh…
2023年12月10日
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SOLVED:10-49 E In a regenerative Rankine cycle. the closed feedwater heater with a pump as shown in the figure is arranged so that the water at state 5 is mixed with the water at state 2 to form a feedwater which is a saturated liquid at 200 psia. Feedwater enters this heater at 350^∘ F and 200 psia with a flow rate of 2 lbm / s . Bleed steam is taken from the turbine at 160 psia and 400^∘ F and enters the pump as a saturated liquid at 160 psia. Determine the mass flow rate of bleed steam requir
SOLVED:10-49 E In a regenerative Rankine cycle. the closed feedwat…
2021年2月3日
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A Rankine cycle employs one open feedwater heater. Steam initially enters the turbine at 18 MPa, 600^∘ C, and saturated liquid water exits the condenser at 10 kPa. The open feedwater heater receives steam extracted from the turbine at 800 kPa, and the combined stream exiting the feedwater heater is a saturated liquid at 800 kPa. The mass flow rate of water through the steam generator is 150  kg / s. Determine the net power produced and the thermal efficiency of the cycle if (a) the turbine and p
A Rankine cycle employs one open feedwater heater. Steam initially e…
2023年11月16日
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SOLVED:Consider an ideal reheat-regenerative Rankine cycle with one open feedwater heater. The boiler pressure is 10 MPa, the condenser pressure is 15 kPa, the reheater pressure is 1 MPa, and the feedwater pressure is 0.6 MPa. Steam enters both the high- and low-pressure turbines at 500^∘ C . Show the cycle on a T -s diagram with respect to saturation lines, and determine (a) the fraction of steam extracted for regeneration and (b) the thermal efficiency of the cycle.
SOLVED:Consider an ideal reheat-regenerative Rankine cycle with o…
2021年3月28日
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Water is the working fluid in an ideal regenerative Rankine cycle with o…
2021年10月17日
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SOLVED:Water is the working fluid in an ideal regenerative Rankine c…
2021年10月17日
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Modify the ideal Rankine cycle of Problem 8.7 to include one open f…
1 个月前
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Turbine bleed steam enters an open feed water heater of a regenerativ…
2020年5月12日
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SOLVED:Consider a steam power plant that operates on the ideal re…
2021年3月18日
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A steam power plant operates on an ideal reheat regenerative Rankine …
2020年5月12日
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An ideal Rankine steam cycle modified with two closed feedwat…
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Consider an ideal steam regenerative Rankine cycle with t…
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Consider a simple ideal Rankine cycle with fixed boiler and conden…
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Consider a simple ideal Rankine cycle with fixed boiler and conden…
2020年5月12日
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A simple ideal Rankine cycle with water as the working fluid operate…
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simple ideal Rankine cycle with water as the working fluid operate…
2021年3月18日
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A simple Rankine cycle uses water as the working fluid. The boiler op…
2021年3月18日
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A simple ideal Rankine cycle with water as the working fluid operate…
2020年5月12日
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SOLVED:An ideal Rankine cycle with reheat uses water as the wor…
2021年10月17日
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