Steam power plants are responsible for the production of most electric power in the world. A...

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Mechanical Engineering

Steam power plants are responsible for the production of mostelectric power in the world. A small increase in thermal efficiencycan mean large savings from the fuel requirements. Consider a steampower plant that operates on a simple ideal Rankine cycle. Steam iscooled in the condenser at a pressure of 75 kPa by running coolingwater at 16°C from the nearby river through the tubes of thecondenser. To increase the thermal efficiency of the power cycle, ajunior engineer proposed to decrease the operating pressure of thecondenser to 2 kPa while maintaining the turbine inlet conditionsat constant.

You are asked to assist the junior engineer with the analysis ofthe feasibility of the proposal. Include the following in yourreport:

Question:-

Select appropriate turbine inlet conditions (i.e. pressure andtemperature) with justifications. Analyse and discuss the effect ofthe condenser pressure as it is varied from 75 kPa to 2 kPa on theperformance of the steam power plant while the turbine is operatedand maintained at the selected inlet conditions. Organize relevantdata/findings in a table and appropriate charts to illustrate theeffect of varying condenser pressure on the performance of thesteam power plant. Show one set of detailed samplecalculations.

Could you show me a detailed calculation, please.

Answer & Explanation Solved by verified expert
4.2 Ratings (719 Votes)
I have shown a sample calculations as pergiven data and rest data i have taken from standard steam tablesIhave roughly    See Answer
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