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In a steam power plant, the ratio of the isentropic heat drop in the primemover to the amount of heat supplied per unit mass of steam is known as
- a)Stage efficiency
- b)degree of reaction
- c)Rankine efficiency
- d)relative efficiency
Correct answer is option 'C'. Can you explain this answer?
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In a steam power plant, the ratio of the isentropic heat drop in the p...
The work done on the feed pump is very very less compared to work done by the turbine since the specific volume of liquid is very very less than specific volume of steam. So if we neglect pump work , the ratio of work output/heat supplied is called rankine efficiency.
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In a steam power plant, the ratio of the isentropic heat drop in the p...
Rankine Efficiency:
Rankine efficiency is a key parameter in steam power plants that determines how efficiently the plant converts heat into mechanical work. It is defined as the ratio of the actual work output of the turbine to the maximum possible work output that could be achieved with the given heat input.
Explanation:
The Rankine efficiency is a measure of how well the steam power plant operates in converting heat energy into mechanical work. It takes into account the isentropic heat drop in the prime mover (turbine) and the heat supplied per unit mass of steam. A higher Rankine efficiency indicates a more efficient power plant.
Formula:
Rankine Efficiency = Work output / Heat input
Significance:
- Rankine efficiency is an important parameter in the design and operation of steam power plants.
- It helps in evaluating the performance of the power plant and identifying areas for improvement.
- By maximizing the Rankine efficiency, the overall efficiency and energy output of the plant can be increased.
In conclusion, the Rankine efficiency is a crucial factor in determining the performance of a steam power plant. By optimizing this efficiency, operators can enhance the overall efficiency and output of the plant, making it more cost-effective and sustainable.
Rankine efficiency is a key parameter in steam power plants that determines how efficiently the plant converts heat into mechanical work. It is defined as the ratio of the actual work output of the turbine to the maximum possible work output that could be achieved with the given heat input.
Explanation:
The Rankine efficiency is a measure of how well the steam power plant operates in converting heat energy into mechanical work. It takes into account the isentropic heat drop in the prime mover (turbine) and the heat supplied per unit mass of steam. A higher Rankine efficiency indicates a more efficient power plant.
Formula:
Rankine Efficiency = Work output / Heat input
Significance:
- Rankine efficiency is an important parameter in the design and operation of steam power plants.
- It helps in evaluating the performance of the power plant and identifying areas for improvement.
- By maximizing the Rankine efficiency, the overall efficiency and energy output of the plant can be increased.
In conclusion, the Rankine efficiency is a crucial factor in determining the performance of a steam power plant. By optimizing this efficiency, operators can enhance the overall efficiency and output of the plant, making it more cost-effective and sustainable.
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In a steam power plant, the ratio of the isentropic heat drop in the primemover to the amount of heat supplied per unit mass of steam is known asa)Stage efficiencyb)degree of reactionc)Rankine efficiencyd)relative efficiencyCorrect answer is option 'C'. Can you explain this answer?
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