WHEN evaluating engine efficiencies, mean effective pressures or the work done by the piston in internal combustion engines or compressors, it is generally assumed that the state of the working fluid is uniform throughout its mass. From this it follows that the expression for work where P denotes pressure and V, volume, holds. Now, it is known that, strictly speaking, this expression applies only in the limiting case of zero piston velocity, when the motion of the piston, and the thermodynamic process in the cylinder are said to be quasi-static. The question, therefore, poses itself as to how far such an assumption is justified, when applied to a modern high-speed reciprocating engine, say, an aircraft or motorcar engine, when piston velocities of the order of 40 ft./sec. are encountered.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Piston Velocities and Piston Work


    Untertitel :

    The Influence of High Piston Velocities on the Pressure Distribution and Piston Work in Engine Cylinders


    Beteiligte:
    Glass, J.S. (Autor:in) / Kestin, J. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.06.1950


    Format / Umfang :

    3 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Piston and piston-ring temperatures

    Keyser, Jr., P.V. / Miller, E.F. | Engineering Index Backfile | 1940


    PISTON AND PISTON ROD ASSEMBLY MANUFACTURING METHOD

    NIEUWENHUIS MARCEL GERARDUS MARIA | Europäisches Patentamt | 2022

    Freier Zugriff

    PISTON AND PISTON ROD ASSEMBLY MANUFACTURING METHOD

    NIEUWENHUIS MARCEL GERARDUS MARIA | Europäisches Patentamt | 2019

    Freier Zugriff

    PISTON AND PISTON ROD ASSEMBLY MANUFACTURING METHOD

    NIEUWENHUIS MARCEL GERARDUS MARIA | Europäisches Patentamt | 2020

    Freier Zugriff

    Piston of piston pump with metal sleeve

    Europäisches Patentamt | 2017

    Freier Zugriff