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When the expansion or compression takes place according to the law pvn = C, the process is known is
- a)isothermal process
- b)adiabatic process
- c)hyperbolic process
- d)polytropic process
Correct answer is option 'D'. Can you explain this answer?
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When the expansion or compression takes place according to the law pvn...
Polytropic Process Explanation:
The process described by the equation pvn = C is known as a polytropic process. In this process, the pressure (p) and specific volume (v) of a system are related by a constant (C). This relationship can be used to analyze the behavior of gases undergoing expansion or compression.
Characteristics of a Polytropic Process:
- The polytropic process is a generalization that includes both isothermal and adiabatic processes.
- It is represented by a curve on a pressure-volume diagram that lies between the curves for isothermal and adiabatic processes.
- The exponent n in the polytropic equation can vary, depending on the specific conditions of the process.
- For n = 1, the polytropic process reduces to an isothermal process, while for n = γ (ratio of specific heats), it represents an adiabatic process.
Applications of Polytropic Processes:
- Polytropic processes are commonly used to analyze the behavior of gases in various engineering applications, such as in compressors, turbines, and heat exchangers.
- They provide a more flexible model than isothermal or adiabatic processes, allowing for a closer representation of real-world conditions.
Conclusion:
Understanding polytropic processes is essential for engineers and scientists working with gases and thermodynamic systems. By applying the polytropic equation, they can analyze and predict the behavior of gases undergoing expansion or compression more accurately.
The process described by the equation pvn = C is known as a polytropic process. In this process, the pressure (p) and specific volume (v) of a system are related by a constant (C). This relationship can be used to analyze the behavior of gases undergoing expansion or compression.
Characteristics of a Polytropic Process:
- The polytropic process is a generalization that includes both isothermal and adiabatic processes.
- It is represented by a curve on a pressure-volume diagram that lies between the curves for isothermal and adiabatic processes.
- The exponent n in the polytropic equation can vary, depending on the specific conditions of the process.
- For n = 1, the polytropic process reduces to an isothermal process, while for n = γ (ratio of specific heats), it represents an adiabatic process.
Applications of Polytropic Processes:
- Polytropic processes are commonly used to analyze the behavior of gases in various engineering applications, such as in compressors, turbines, and heat exchangers.
- They provide a more flexible model than isothermal or adiabatic processes, allowing for a closer representation of real-world conditions.
Conclusion:
Understanding polytropic processes is essential for engineers and scientists working with gases and thermodynamic systems. By applying the polytropic equation, they can analyze and predict the behavior of gases undergoing expansion or compression more accurately.
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When the expansion or compression takes place according to the law pvn = C, the process is known isa)isothermal processb)adiabatic processc)hyperbolic processd)polytropic processCorrect answer is option 'D'. Can you explain this answer?
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