Abacus Giving the Variation of the Mean Pressure of an Aviation Engine as a Function of its Speed of Rotation

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Description

Comparing the results of the calculations for computing the mean pressure of an aviation engine for any number of revolutions, with those of experiment, the writer, by numerous examples, shows the perfect agreement between them. This report will show that, by means of a special abacus, an engineer can instantly plot the characteristics of an engine.

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[10] p.

Creation Information

Margoulis, W. March 1921.

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This report is part of the collection entitled: National Advisory Committee for Aeronautics Collection and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 240 times. More information about this report can be viewed below.

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  • Main Title: Abacus Giving the Variation of the Mean Pressure of an Aviation Engine as a Function of its Speed of Rotation
  • Series Title: NACA Technical Memorandums

Description

Comparing the results of the calculations for computing the mean pressure of an aviation engine for any number of revolutions, with those of experiment, the writer, by numerous examples, shows the perfect agreement between them. This report will show that, by means of a special abacus, an engineer can instantly plot the characteristics of an engine.

Physical Description

[10] p.

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  • Accession or Local Control No: 93R10012
  • URL: http://hdl.handle.net/2060/19930080722 External Link
  • Report No.: NACA-TM-12
  • Center for AeroSpace Information Number: 19930080722
  • Archival Resource Key: ark:/67531/metadc53605

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National Advisory Committee for Aeronautics Collection

The National Advisory Committee for Aeronautics (NACA) was a U.S. federal agency founded on March 3, 1915 to undertake, promote, and institutionalize aeronautical research. On October 1, 1958 the agency was dissolved, and its assets and personnel transferred to the newly created National Aeronautics and Space Administration (NASA).

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The Technical Report Archive & Image Library (TRAIL) identifies, acquires, catalogs, digitizes and provides unrestricted access to U.S. government agency technical reports. The mission of TRAIL is to ensure preservation, discoverability, and persistent open access to government technical publications regardless of form or format.

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Creation Date

  • March 1921

Added to The UNT Digital Library

  • Nov. 11, 2011, 7:22 p.m.

Description Last Updated

  • Aug. 8, 2018, 12:39 p.m.

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Margoulis, W. Abacus Giving the Variation of the Mean Pressure of an Aviation Engine as a Function of its Speed of Rotation, report, March 1921; (https://digital.library.unt.edu/ark:/67531/metadc53605/: accessed May 25, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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