Fritz Emde

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Fritz Emde (born July 13, 1873 in Uschütz ( Uszyce ), Upper Silesia, † June 30, 1951 in Stuttgart ) was an electrical engineer and university professor .

His father, Wilhelm (1843–1913), who came from Mühlhausen (Twist valley), was an agricultural clerk and mill leaseholder in Thüre near Posen.

After high school and apprenticeship, he worked at AEG from 1895 and then at Siemens in the heavy current test field. He was mathematically gifted and learned the scientific basics of electrical engineering as an autodidact.

In 1911 he was appointed to the Bergakademie Clausthal and in 1912, as successor to Wilhelm Dietrich (1852–1930), as full professor for theoretical electrical engineering and director of the electrical engineering institute at the Technical University of Stuttgart, in 1938 he retired. Wilhelm Bader was appointed as his successor in 1939 .

Publications

  • The operation of alternating current machines ; 1902
  • The Giorgian system of measurement ; 1903
  • The electromagnetic field in machines ; 1905
  • Voltage, voltage difference, potential difference electromotive force ; 1905
  • To calculate the electromagnets ; 1906
  • To the law of induction ; 1909
  • The mechanical forces on conductive bodies in an electric field ; 1910
  • A surface model to explain the concept of the number of turns of the force line ; 1912
  • The calculation of iron-free reactors for heavy current ; 1912
  • To calculate the real zeros of the Bessel cylinder function ; 1915
  • Editing of extracts from James Clerk Maxwell's Electricity and Magnetism . Translated by Hilde Barkhausen; 1915
  • Sinus relief and tangent relief in electrical engineering [Lecture at the Technical University of Karlsruhe on July 10, 1923]; 1924
  • Publication of AM Legendre's tables of the first and second genus elliptical normal integrals , 1931
  • Editing by Eugen Jahnke : Function tables with formulas and curves (first 1909; 2nd, unchanged reprint 1928); 2., rework. Edition 1933, 3rd edition 1938
  • Induced and non-induced electric fields ; 1933
  • Decomposition of magnetic fading ; 1934
  • Electrical units and beautiful equations ; 1935
  • with Ernst August Wedemeyer: Automobile vibration theory (first 1930)
  • Ironless choke coils: with an appendix about high frequency ground core coils ; 1938
  • New edition of the contribution "Electrodynamics" by Hermann Dießelhorst from the Handbuch der Elektrizität und des Magnetismus (Volume IV, 1920) under the title: Magnetic fields and forces with an overview of vector calculations ; 1939
  • Editing of Eugen Jahnke panels of elementary functions 1940; 2nd edition 1948
  • Editing by Eugen Jahnke : tables of higher functions ; 4., rework. 1948 edition
  • Whirling electric fields ; 1949

literature

supporting documents

  1. ^ Wilhelm Bader:  Emde, Fritz. In: New German Biography (NDB). Volume 4, Duncker & Humblot, Berlin 1959, ISBN 3-428-00185-0 , p. 474 f. ( Digitized version ).
  2. ^ Institute for Theory of Electrical Engineering , accessed on December 19, 2012
  3. ^ Has held a chair since 1883 , Centralblatt der Bauverwaltung , July 7, 1883, p. 237, accessed on December 19, 2012
personal data
SURNAME Emde, Fritz
BRIEF DESCRIPTION German electrical engineer
DATE OF BIRTH July 13, 1873
PLACE OF BIRTH Uschütz
DATE OF DEATH June 30, 1951
Place of death Stuttgart