The cyclic process shown in the figure consists of

This figure shows a cyclic process, including an adiabatic, isotherm and isobar. The working fluid in this case is an ideal gas. The cycle efficiency is 20%. In an isothermal process, the gas does work A2-3 = 600 J. It is necessary to determine the work of the gas per cycle.

To solve the problem, it is necessary to use the first law of thermodynamics for a cyclic process:

∆U = Q - A,

where ∆U is the change in the internal energy of the system, Q is the heat received by the system, A is the work done by the system.

Since the process is cyclic, then ∆U = 0. Also, since the system operates in a closed cycle, Q = Q1-2 + Q3-4 = 0.

Then, using the cycle efficiency, we can write:

A = Q1-2 - Q2-3 = Q1-2 - Q3-4 = Q1-2 = 0.2Q2-3.

Since in an isothermal process the work done on the gas is A2-3 = 600 J, then

Q2-3 = A2-3 = 600 J.

Then the gas work per cycle is:

A = 0.2Q2-3 = 0.2 * 600 J = 120 J.

Digital Product: "Cyclic Process"

This digital product is a unique educational material that will help you understand thermodynamic cycles and processes. In a visual form, the figure shows a cyclic process, including adiabatic, isotherm and isobar. The working fluid is an ideal gas.

This product will be useful to both beginners and experienced specialists in the field of thermodynamics, as well as a wide range of students studying this science.

You can download this product in PDF format and get access to exciting material right now!

Price: 150 rubles

File size: 5.2 MB

File format: PDF

This product is an educational material in PDF format, which contains a detailed solution to a problem in thermodynamics associated with a cyclic process, including adiabatic, isotherm and isobar, using a working fluid - an ideal gas. The problem states that the efficiency of the cycle is 20%, and in an isothermal process the work done on the gas is A2-3 = 600 J. It is necessary to determine the work of the gas per cycle.

The material presents a detailed solution to the problem, which includes a brief description of the conditions of the problem, formulas and laws used in the solution, derivation of the calculation formula and the answer. The material also provides an opportunity to ask questions if you have difficulties understanding the solution.

The price of the product is 150 rubles. File size - 5.2 MB.

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This product is an image file that contains a problem with a solution. The problem describes a cyclic process of an ideal gas, consisting of an adiabatic, isotherm and isobar, while the efficiency of the cycle and the work done on the gas in an isothermal process are known. The task is to determine the work done by the gas per cycle. The file contains a detailed description of the problem conditions, the formulas and laws used, the derivation of the calculation formula and the answer. If the user has questions about the solution, the author promises to help.

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