Mechanical Engineering Exam > Mechanical Engineering Videos > Thermodynamics > Rankine Cycle
Rankine Cycle Video Lecture | Thermodynamics - Mechanical Engineering
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29 videos|65 docs|36 tests
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FAQs on Rankine Cycle Video Lecture - Thermodynamics - Mechanical Engineering
| 1. What is a Rankine cycle? |  |
Ans. The Rankine cycle is a thermodynamic cycle that is commonly used in power plants to generate electricity. It is a closed-loop cycle that uses water or steam as the working fluid to convert heat energy into mechanical work.
| 2. How does a Rankine cycle work? | |
Ans. The Rankine cycle works by following four main processes: compression, heat addition, expansion, and heat rejection. Initially, the working fluid is compressed to a high pressure, then it enters a heat exchanger where heat is added to convert it into high-pressure steam. The high-pressure steam is then expanded through a turbine to produce mechanical work. Finally, the low-pressure steam is condensed and pumped back to the heat exchanger to repeat the cycle.
| 3. What are the main components of a Rankine cycle? | |
Ans. The main components of a Rankine cycle include a boiler or heat exchanger, a turbine, a condenser, and a pump. The boiler is used to convert water into steam, the turbine converts the steam's energy into mechanical work, the condenser condenses the low-pressure steam back into water, and the pump is used to increase the pressure of the condensed water before it enters the boiler again.
| 4. What are the advantages of the Rankine cycle? | |
Ans. The Rankine cycle has several advantages. Firstly, it is a well-established and proven technology, making it reliable for power generation. Secondly, it can utilize a variety of heat sources, including fossil fuels, nuclear energy, and renewable sources such as solar and geothermal. Additionally, the Rankine cycle can be easily modified and optimized to enhance its efficiency and overall performance.
| 5. What are the limitations of the Rankine cycle? | |
Ans. The Rankine cycle also has some limitations. One limitation is that it has a lower thermal efficiency compared to more advanced cycles such as the Brayton cycle used in gas turbines. Another limitation is the large amount of water required as the working fluid, which can be a constraint in areas with water scarcity. Additionally, the Rankine cycle is not suitable for applications requiring very high temperatures or pressures.
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Nov 15, 2024 Last updated |
Video Description: Rankine Cycle for Mechanical Engineering 2024 is part of Thermodynamics preparation.
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