Working fluid selection is crucial for organic Rankine cycles (ORC). In this study, the relationship between molecular structure and ORC performance was ...
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What is the organic Rankine cycle?
Organic Rankine Cycles (ORC) are systems that can effectively recover low-grade heat for electric power generation. For ORC to be a viable technology, it should operate safely and efficiently under variable operating conditions due to exogenous and operating specifications changes.
What is the Rankine cycle explained?
The Rankine cycle, also called the Rankine vapor cycle, is a thermodynamic cycle that converts heat into mechanical energy. The Rankine cycle is name after William Johnson Macquorn Rankine, a 19th century Scottish engineer and physicist known for his research in the thermodynamic properties of steam.
How do you calculate Rankine cycle?
Formulas related to Rankine cycle –
1
Heat Addition(qa)=h1−h4.
2
Heat Rejection (qr)=h2−h3.
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Work done by Turbine (wt)=h1−h2.
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Work taken by Pump (wp)=h4−h3.
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Thermal Efficiency ηthermal=wt−wpqa.
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NetWork Output (wn)=wt−wp.
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Back Work Ratio(BWR)=wpwt.
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Specific Steam Consumption. h1 = Enthalpy at Turbine Inlet.
What temperature does organic Rankine cycle work?
The fluids are alkanes, fluorinated alkanes, ethers and fluorinated ethers. The ORC cycles operate between 100 and 30 °C typical for geothermal power plants at pressures mostly limited to 20 bar, but in some cases supercritical pressures are also considered.
... organic Rankine cycle, performance prediction, working fluid design, QSPR, Technology. File Description: electronic resource. Relation: https://www.mdpi.com ...
