# DIAGRAMME DE MOLLIER R134A PDF

Le diagramme de Mollier (ou diagramme enthalpique) est un diagramme relatif aux fluides, Cycle d’un fluide Ra dans un Réfrigérateur à compression de vapeur. Les frigoristes utilisent des diagrammes enthalpiques pour y tracer le. DownloadDiagramme de mollier ra pdf. If you can then copy the data from the table and post here I d be forever in your debt I have moved from processing. CENTRE DE RECHERCHE RHÔNE-ALPES. Pression absolue. Absolute pressure (bar).

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The diagram was created inwhen Richard Diaggramme plotted the total heat [4] H against entropy S. Retrieved from ” https: The work done in a process on vapor cycles is represented by length of hso it can be measured directly, whereas in a T—s diagram it has to be computed using thermodynamic relationship between thermodynamic properties.

The Mollier diagram coordinates are enthalpy h and humidity ratio x. The process 3—4 in a Rankine cycle is isentropic when the steam turbine is said to be an ideal one. This page was last edited on 24 Juneat Commons category link is locally defined.

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In other projects Wikimedia Commons. Lines of constant dryness fraction xsometimes called the qualityare drawn in the wet region and lines of constant temperature are drawn in the superheated region.

## Diagramme enthalpique

In an isobaric processthe pressure remains constant, so the heat interaction is the change in enthalpy. Nollier the deviations from the ideal values and they can be calculated considering the isentropic efficiency of the steam turbine used. A vertical line in the h—s chart represents an isentropic process.

Above the heavy line, the temperature is above the boiling point, and the dry superheated substance is gas only. At the Thermodynamics Conference held in Los Angeles it was decided to name, in his honor, as a “Mollier diagram” any thermodynamic diagram using the enthalpy as one of its axes.

An enthalpy—entropy chartalso known as the H — S chart or Mollier diagramplots the total heat against entropy, [1] describing the enthalpy of a thermodynamic system.