Negative Compressibility and Inverse Problem for Spinning Gas

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Description

A spinning ideal gas in a cylinder with a smooth surface is shown to have unusual properties. First, under compression parallel to the axis of rotation, the spinning gas exhibits negative compressibility because energy can be stored in the rotation. Second, the spinning breaks the symmetry under which partial pressures of a mixture of gases simply add proportional to the constituent number densities. Thus, remarkably, in a mixture of spinning gases, an inverse problem can be formulated such that the gas constituents can be determined through external measurements only.

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Geyko, Vasily & Fisch, Nathaniel J. January 11, 2013.

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Description

A spinning ideal gas in a cylinder with a smooth surface is shown to have unusual properties. First, under compression parallel to the axis of rotation, the spinning gas exhibits negative compressibility because energy can be stored in the rotation. Second, the spinning breaks the symmetry under which partial pressures of a mixture of gases simply add proportional to the constituent number densities. Thus, remarkably, in a mixture of spinning gases, an inverse problem can be formulated such that the gas constituents can be determined through external measurements only.

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  • Physical Review Letters (December 2012)

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  • Report No.: PPPL-4842
  • Grant Number: DE-ACO2-09CH-11466
  • DOI: 10.2172/1059933 | External Link
  • Office of Scientific & Technical Information Report Number: 1059933
  • Archival Resource Key: ark:/67531/metadc830314

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • January 11, 2013

Added to The UNT Digital Library

  • May 19, 2016, 9:45 a.m.

Description Last Updated

  • July 11, 2016, 3:27 p.m.

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Geyko, Vasily & Fisch, Nathaniel J. Negative Compressibility and Inverse Problem for Spinning Gas, report, January 11, 2013; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc830314/: accessed August 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.