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The isentropic process is a special case of a more general process known as a polytropic process where→ Pvn=constantandnis any number.

I am completing a question that is requiring calculation of the work done in a polytropic process. In the worked solutions the work equation seems to be reversed for the answer, as can be seen in the screenshot- the top row is p1v1-p2v2 insted of p2v2-p1v1.

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Reversible adiabatic process is also called an Isentropic Process. It is an idealized thermodynamic process that is adiabatic and in which the work transfers of the system are frictionless; there is no transfer of heat or of matter and the process is reversible.

Using the outlet specific enthalpy, calculate the isentropic efficiency: Isentropic Efficiency = ( Inlet Specific Enthalpy - Outlet Specific Enthalpy) / ( Inlet Specific Enthalpy - IDEAL Outlet Specific Enthalpy )

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The Adiabatic Process of an Ideal Gas. It is unusual to develop the equations of the Adiabatic Process directly from the energy equations, since they are usually introduced after the discussion of entropy as the Isentropic Process.

In the isentropic process, the gas do no loose any heat to the surrounding and is completely isolated system by use of ideal insulating materials. If the friction is present in the mechanism then such a process is called Adiabatic process and the isentropic process is a frictionless adiabatic process.

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May 28, 2012 · Homework Statement Saturated steam with a pressure of 30 bars is isentropically expanded to a pressure of 1 bar. What is the quality (x) of the steam after expansion? Homework Equations No clue. I do have a table containing all necessary data such as temperature, specific volume...

Basic Thermodynamic Formulas (Exam Equation Sheet) Control Mass (no mass flow across system boundaries) Conservation of mass: 𝑚= 𝑐𝑐𝑐𝑐𝑐𝑐𝑐𝑐

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The isentropic or adiabatic process can also be expressed as. pV k = constant (2a) or . p 1 V 1 k = p 2 V 2 k (2b) Polytropic Compression/Expansion Process. An ideal isothermal process must occur very slowly to keep the gas temperature constant. An ideal adiabatic process must occur very rapidly without any flow of energy in or out of the system.

It was stated that this expression applied to a reversible, adiabatic process. We now see, through use of the second law, a deeper meaning to the expression, and to the concept of a reversible adiabatic process, in that both are characteristics of a constant entropy, or isentropic , process.

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Isentropic Process In an adiabatic process: Q = 0 An isentropic process is a special case of an adiabatic process where the process is entirely reversible. "! Q=0 s=0, where k is the ratio of specific heats Example (FEIM): In an isentropic compression of an ideal gas, p1 = 100 kPa, p2 = 200 kPa, V1 = 10 m3, and k = 1.4. Find V 2.! p 1 V 1 k=p 2 ...

In thermodynamics, an isentropic process is an idealized thermodynamic process that is both adiabatic and reversible. The work transfers of the system are frictionless, and there is no transfer of heat or matter. Such an idealized process is useful in engineering as a model of and basis of comparison for real processes. The word "isentropic" is occasionally, though not customarily, interpreted ...

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