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What is polytropic process?

A polytropic process is a process where ( P ) ( V )^n is maintained throughout the process; commonly a compression or an expansion. The n is called the polytropic exponent and is often between 1.0 and k , the specific heat ratio. For a reversible, polytropic, and nonflow process : WB = [ ( P2 ) ( V2 ) - ( P1 ) ( V1 ) ] / [ 1 - n ] or WB = [ 1 / 1 - n ][ ( P1 ) ( V1 ] [ ( P2 / P1 )^B - 1 ] B = ( n - 1 ) / ( n ) For a reversible, polytropic, and steady flow process : WSF = [ n / 1 - n ] [ ( P1 ) ( V1 )] [ ( P2 / P1 )^B - 1 ] B = ( n - 1 ) / ( n )


What is constant in a polytropic process?

In Polytropic process the product of Pressure and Volume (PV) power 'n' is constant where, 'n' is polytropic index


What is the significance of the polytropic index in thermodynamics and how does it affect the behavior of a polytropic process?

The polytropic index in thermodynamics is a measure of how a gas behaves during a polytropic process, where pressure and volume change. It indicates the relationship between pressure and volume changes in the process. The value of the polytropic index affects the efficiency and work done in the process. A higher polytropic index means more work is done, while a lower index means less work is done.


What is an example problem of a polytropic process?

An example problem of a polytropic process is when a gas undergoes compression or expansion while its pressure and volume change, following a specific mathematical relationship known as a polytropic equation.


What is a polytropic work?

Polytropic work refers to the work done in a process where the relationship between pressure and volume follows a specific power-law equation (P*V^n = constant). It is commonly encountered in compressible flow systems and is expressed as the area under the curve on a P-V diagram for a polytropic process.

Related Questions

What is the value of polytropic exponent n in reversible polytropic process?

the value of polytropic exponent "n" in reversible process will vary from 1 to adiabatic constant "gamma"


What is polytropic process?

A polytropic process is a process where ( P ) ( V )^n is maintained throughout the process; commonly a compression or an expansion. The n is called the polytropic exponent and is often between 1.0 and k , the specific heat ratio. For a reversible, polytropic, and nonflow process : WB = [ ( P2 ) ( V2 ) - ( P1 ) ( V1 ) ] / [ 1 - n ] or WB = [ 1 / 1 - n ][ ( P1 ) ( V1 ] [ ( P2 / P1 )^B - 1 ] B = ( n - 1 ) / ( n ) For a reversible, polytropic, and steady flow process : WSF = [ n / 1 - n ] [ ( P1 ) ( V1 )] [ ( P2 / P1 )^B - 1 ] B = ( n - 1 ) / ( n )


What is constant in a polytropic process?

In Polytropic process the product of Pressure and Volume (PV) power 'n' is constant where, 'n' is polytropic index


What are the thermodynamic polytropic processes?

Thermodynamic polytropic processes are processes that can be described using the polytropic equation ( PV^n = C ), where ( P ) is pressure, ( V ) is volume, ( N ) is the polytropic exponent, and ( C ) is a constant. These processes can encompass a range of behaviors, from isobaric to isothermal to adiabatic processes, depending on the value of the polytropic exponent.


What is the significance of the polytropic index in thermodynamics and how does it affect the behavior of a polytropic process?

The polytropic index in thermodynamics is a measure of how a gas behaves during a polytropic process, where pressure and volume change. It indicates the relationship between pressure and volume changes in the process. The value of the polytropic index affects the efficiency and work done in the process. A higher polytropic index means more work is done, while a lower index means less work is done.


What is net heat change in polytropic process?

In a polytropic process, the net heat change depends on the specific conditions of the process (e.g., if it is adiabatic or not, reversible or irreversible). In general, the net heat change can be calculated by comparing the heat added or removed during the process with the work done by the system.


What is an example problem of a polytropic process?

An example problem of a polytropic process is when a gas undergoes compression or expansion while its pressure and volume change, following a specific mathematical relationship known as a polytropic equation.


What is a polytropic work?

Polytropic work refers to the work done in a process where the relationship between pressure and volume follows a specific power-law equation (P*V^n = constant). It is commonly encountered in compressible flow systems and is expressed as the area under the curve on a P-V diagram for a polytropic process.


What is the difference between reversible and cyclic process?

A reversible process is one that can be undone with no change in entropy of the system and surroundings. A cyclic process is one that starts and ends at the same state, with the system going through a series of state changes. All reversible processes are cyclic, but not all cyclic processes are reversible.


Is dissolving salt in water reversible or irreversible?

This is a reversible process.


What is the difference between an isentropic process and an adiabatic process in thermodynamics?

In thermodynamics, an isentropic process is a reversible and adiabatic process, meaning there is no heat exchange with the surroundings. An adiabatic process, on the other hand, does not necessarily have to be reversible, but it also involves no heat exchange with the surroundings.


Is an isothermal process necessarily internally reversible?

No, an isothermal process is not necessarily internally reversible.