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Richard Mollier

Richard Mollier German physicist

German physicist
The basics
Quick Facts
Intro German physicist
A.K.A. Молье Рихард, Рихард Молье
Was Scientist Physicist Engineer Professor
From Germany Austria
Type Academia Engineering Science
Gender male
Birth 30 November 1863, Trieste, Kingdom of Italy
Death 13 March 1935, Dresden, Germany (aged 71 years)
Star sign SagittariusSagittarius
The details
Biography
Not to be confused with Molière.
Richard Mollier

Richard Mollier ([mɔˈli̯eː]; 30 November 1863, Triest – 13 March 1935, Dresden) was a German professor of Applied Physics and Mechanics in Göttingen and Dresden, a pioneer of experimental research in thermodynamics, particularly for water, steam, and moist air.

Mollier diagrams (enthalpy-entropy charts) are routinely used by engineers in the design work associated with power plants (fossil or nuclear), compressors, steam turbines, refrigeration systems, and air conditioning equipment to visualize the working cycles of thermodynamic systems.

The Mollier diagram (h–s chart) of enthalpy of moist air versus its water vapor content (hx diagram) is equivalent to the Psychrometrics Chart commonly used in the USA and Britain.

Education and career

After attending Gymnasium (grammar school) in Triest, he commenced studies in mathematics and physics at the University of Graz (Austria), continuing at the Technical University of Munich. He presented his first publications as an outside lecturer for Theoretical Mechanics. After a short stint in Göttingen, he succeeded Gustav Zeuner in 1897 as Professor of Mechanical Engineering at the Technischen Hochschule Dresden. His 1904 publication New Graphs for Technical Thermodynamics greatly simplified calculations involving thermodynamic processes. His New Tables and Diagrams for Water Vapor, first published in 1906, appeared in six further editions through 1932, as he updated it to reflect new developments.

Honors

At the 1923 Thermodynamics Conference held in Los Angeles, it was decided to name, in his honor, as a “Mollier graph” any thermodynamic diagram using the Enthalpy h as one of its axes. Example: the hs graph for steam or the hx graph for moist air.

Publications

  • Die Entropie der Wärme (The Entropy of Heat) 1895
  • Dampftafeln und Diagramme des Kohlendioxid (Vapor Tables and Diagrams for Carbon Dioxide) 1896
  • Neue Diagramme zur Technischen Wärmelehre (New Graphs for Technical Thermodynamics) 1904
  • Neue Tabellen und Diagramme für Wasserdampf (New Tables and Diagrams for Water Vapor) Berlin 1906
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Reference sources
References
http://www.mollierdiagram.com
http://dispatch.opac.d-nb.de/DB=4.1/REL?PPN=117122173
https://web.archive.org/web/20120228193256/http://www.chemicalogic.com/images/image001.jpg
https://catalogue.bnf.fr/ark:/12148/cb104073440
https://data.bnf.fr/ark:/12148/cb104073440
https://d-nb.info/gnd/117122173
http://isni.org/isni/0000000010541848
https://genealogy.math.ndsu.nodak.edu/id.php?id=67560
https://www.idref.fr/181219174
https://viaf.org/viaf/69699928
https://www.worldcat.org/identities/containsVIAFID/69699928
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