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 7th Balkan Mining Congress - confOrganiser.com

7th Balkan Mining Congress

October 11 - 13, 2017.

THE DETERMINATION OF CHARACTERISTIC THERMODYNAMIC PROPERTIES OF IDEAL GAS IN p-V DIAGRAM BY USING GRAPHICAL METHOD

Author(s):
1. Stefan Pavlović, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina
2. Branko Pejović, Faculty of Technology - University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina


Abstract:
In this paper, for characteristic polytropic change of state of ideal gas is given graphical planimetric graphical representation of characteristic parameters and the most important energy values in thermal diagram, trough the appropriate area. In this paper, we used differential forms of First and Second law of thermodynamics and basic equation which define the observed change of state, written in a suitable form. The results for the polytropic change of state, are applied to the isobaric and isochoric change of state. It is shown that any of the energy values (q12, w12, wt12, Δh12, Δu12) can be present in thermal (p,V) diagram. Graphical solutions, compared to the analytical, provide efficient theoretical explain and presentation of various thermodynamic processes of ideal gas with different aspects and greatly assist a clearer view of the problem and enhance each other living arrangement. Graphical representation of external influences or energy values shown in the diagrams, make it possible to more clearly we see connection between these effects, change of state, as well as their each other relations. Also, in this paper, we show how to determinate polytropic index in p-V diagram, which is very important for better understanding of this processes and values.

Thematic field:
SYMPOSIUM A - Science of matter, condensed matter and physics of solid states

Date of abstract submission:
18.05.2015.

Conference:
Contemporary Materials 2015 - Savremeni Materijali

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