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The cycle which consists of two reversible isotherms and two reversible isochores is called as
- a)Rankine cycle
- b)Carnot cycle
- c)Stirling cycle
- d)Ericsson cycle
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The cycle which consists of two reversible isotherms and two reversibl...
The Stirling cycle is a thermodynamic cycle that describes the general class of Stirling devices. This includes the original Stirling engine that was invented, developed and patented in 1816 by Robert Stirling with help from his brother, an engineer.
The ideal Otto and Diesel cycles are not totally reversible because they involve heat transfer through a finite temperature difference during the irreversible isochoric/isobaric heat-addition and heat-rejection processes. The irreversibility renders the thermal efficiency of these cycles less than that of a Carnot engine operating within the same limits of temperature. Another cycle that features isothermal heat-addition and heat-rejection processes is the Stirling cycle, which is an altered version of the Carnot cycle in which the two isentropic processes featured in the Carnot cycle are replaced by two constant-volume regeneration processes.
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The cycle which consists of two reversible isotherms and two reversibl...
The correct answer is option C) Stirling cycle.
Explanation:
The Stirling cycle is a thermodynamic cycle that consists of two reversible isotherms and two reversible isochores. This cycle is named after Robert Stirling, a Scottish engineer who invented the Stirling engine in the early 19th century.
The Stirling cycle can be divided into four distinct processes:
1. Isothermal Expansion: In this process, the working fluid (usually a gas) is heated at a constant temperature while expanding in volume. This is achieved by placing the working fluid in contact with a high-temperature heat source. During this process, the pressure and volume of the gas increase, and the work is done on the surroundings.
2. Isochoric Cooling: After the isothermal expansion, the working fluid is cooled at a constant volume, resulting in a decrease in temperature. This is achieved by transferring heat from the gas to a low-temperature heat sink. During this process, the pressure of the gas decreases, and no work is done.
3. Isothermal Compression: In this process, the working fluid is compressed at a constant temperature while maintaining a constant volume. This is achieved by placing the working fluid in contact with a low-temperature heat source. During this process, the pressure and volume of the gas decrease, and work is done on the gas.
4. Isochoric Heating: After the isothermal compression, the working fluid is heated at a constant volume, resulting in an increase in temperature. This is achieved by transferring heat from a high-temperature heat source to the gas. During this process, the pressure of the gas increases, and no work is done.
The Stirling cycle is often used in Stirling engines, which are external combustion engines that operate on the principle of cyclic compression and expansion of the working fluid. These engines can be highly efficient and can be used in various applications, including power generation and waste heat recovery.
Overall, the Stirling cycle is characterized by its ability to operate with high efficiency and low emissions, making it a promising option for clean and sustainable energy conversion.
Explanation:
The Stirling cycle is a thermodynamic cycle that consists of two reversible isotherms and two reversible isochores. This cycle is named after Robert Stirling, a Scottish engineer who invented the Stirling engine in the early 19th century.
The Stirling cycle can be divided into four distinct processes:
1. Isothermal Expansion: In this process, the working fluid (usually a gas) is heated at a constant temperature while expanding in volume. This is achieved by placing the working fluid in contact with a high-temperature heat source. During this process, the pressure and volume of the gas increase, and the work is done on the surroundings.
2. Isochoric Cooling: After the isothermal expansion, the working fluid is cooled at a constant volume, resulting in a decrease in temperature. This is achieved by transferring heat from the gas to a low-temperature heat sink. During this process, the pressure of the gas decreases, and no work is done.
3. Isothermal Compression: In this process, the working fluid is compressed at a constant temperature while maintaining a constant volume. This is achieved by placing the working fluid in contact with a low-temperature heat source. During this process, the pressure and volume of the gas decrease, and work is done on the gas.
4. Isochoric Heating: After the isothermal compression, the working fluid is heated at a constant volume, resulting in an increase in temperature. This is achieved by transferring heat from a high-temperature heat source to the gas. During this process, the pressure of the gas increases, and no work is done.
The Stirling cycle is often used in Stirling engines, which are external combustion engines that operate on the principle of cyclic compression and expansion of the working fluid. These engines can be highly efficient and can be used in various applications, including power generation and waste heat recovery.
Overall, the Stirling cycle is characterized by its ability to operate with high efficiency and low emissions, making it a promising option for clean and sustainable energy conversion.
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The cycle which consists of two reversible isotherms and two reversible isochores is called asa)Rankine cycleb)Carnot cyclec)Stirling cycled)Ericsson cycleCorrect answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2025 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about The cycle which consists of two reversible isotherms and two reversible isochores is called asa)Rankine cycleb)Carnot cyclec)Stirling cycled)Ericsson cycleCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The cycle which consists of two reversible isotherms and two reversible isochores is called asa)Rankine cycleb)Carnot cyclec)Stirling cycled)Ericsson cycleCorrect answer is option 'C'. Can you explain this answer?.
The cycle which consists of two reversible isotherms and two reversible isochores is called asa)Rankine cycleb)Carnot cyclec)Stirling cycled)Ericsson cycleCorrect answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2025 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about The cycle which consists of two reversible isotherms and two reversible isochores is called asa)Rankine cycleb)Carnot cyclec)Stirling cycled)Ericsson cycleCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The cycle which consists of two reversible isotherms and two reversible isochores is called asa)Rankine cycleb)Carnot cyclec)Stirling cycled)Ericsson cycleCorrect answer is option 'C'. Can you explain this answer?.
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