Browsing Project Whirlwind by Creator "Menyuk, Norman"

Now showing items 1-20 of 67

    • Ad Hoc Conference on FeNi₃ 

      Buck, Dudley A.; Goodenough, John B.; Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1953-03-25)
      The undersigned continued the discussion on FeNi₃ initiated by Dudley Buck at the seminar on magnetism, the meaning of order-disorder and entropy were examined. Hysteresis loops, saturation magnetization and Curie point ...

    • A Comparison Between Square-Loop Metals and Ferrites for High-Speed Pulsed Operation 

      Brown, David R.; Buck, Dudley A.; Menyuk, Norman (Lincoln Laboratory - Division 6, 1954-02-04)
      Metals and ferrites with rectangular hysteresis loops are used in magnetic amplifiers, switching networks, and data-storage systems. In these applications, the large-signal pulse response is most important. To reduce the ...

    • Effects of Tape Thickness and Temperature on Flux Reversal of 4-79 Molybdenum-Permalloy 

      Menyuk, Norman (Lincoln Laboratory - Division 6, 1954-05-03)
      Measurements of the flux reversal time t have been made for 1/8-mil, 1/4-mil, 1/2-mil, and 1-mil 4-79 Molybdenum-Permalloy tape cores as a function of the applied field. These measurements were taken at seven different ...

    • Energy Dissipation in Square Loop Ferromagnetic Materials with Specific Application to Switch Cores 

      Menyuk, Norman (MIT Digital Computer Laboratory, 1953-05-12)
      A determination is made of the energy dissipation in a square loop ferromagnetic material due to domain wall motion. These energy losses are separated into three terms, representing the relaxation loss. The order of magnitude ...

    • Group 63 Seminar on Magnetism V 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-10-28)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include Langevin's theory of paramagnetism and some general paramagnetic properties.

    • Group 63 Seminar on Magnetism VI 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-10-27)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include Langevin's theory of paramagnetism, the Curie-Weiss Law, and exchange interactions.

    • Group 63 Seminar on Magnetism VII 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-10-27)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include Weiss' notion of the internal field, magnetic domains, domain theory, domain growth, and domain rotation.

    • Group 63 Seminar on Magnetism VIII 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-11-03)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include heat effects, domain energies, and preferred directions of magnetization.

    • Group 63 Seminar on Magnetism XI 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-11-13)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include how the damped linear harmonic oscillator may be used to explain the properties of a dielectric when subjected to electromagnetic radiation.

    • Group 63 Seminar on Magnetism XII 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-11-14)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include the lag in the magnetization change of a substance when the polarity of a magnetic field is applied to a ferromagnetic material, a coupled harmonic ...

    • Group 63 Seminar on Magnetism XIII 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-11-17)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include the equations of motion for a system of two coupled oscillators, and unperturbed systems.

    • Group 63 Seminar on Magnetism XVIII 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-12-24)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include the Pauli Exclusions Principle, magnetism, and quantum mechanics.

    • Group 63 Seminar on Magnetism XXIV 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1953-01-19)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include the square potential well problem, atomic behavior, potential fields, perturbed systems, and time-independent perturbation theory.

    • Group 63 Seminar on Magnetism XXVII 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1953-02-04)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include quantum mechanics, radiation, time-dependent perturbations, and transition probability.

    • Group 63 Seminar on Magnetism XXVIII 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1953-02-05)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include quantum mechanics, perturbation methods, perturbed systems, and spin coordinates.

    • Group 63 Seminar on Magnetism, Appendix I 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-11-12)
      Appendix to a memo for a Group 63 seminar on magnetism. Topics include Eddy currents, Maxwell's equation, laminations as electrical insulation.

    • Group 63 Seminar on Magnetism, Appendix II 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-10-28)
      Appendix to a memo for a Group 63 seminar on magnetism. Topics include spin angular momentum, orbital angular momentum, total angular momentum, and the magnetic field component of angular momentum of an electron.

    • Group 63 Seminar on Magnetism, Appendix III 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-12-11)
      Appendix to a memo for a Group 63 seminar on magnetism. Topics include the wave motion associated with particle motion, De Broglie's postulate, and Davisson and Germer's confirmation.

    • Group 63 Seminar on Magnetism, Appendix IV, A Theory of Contact Potential Measurements 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1953-01-14)
      Appendix to a memo for a Group 63 seminar on magnetism. Topics include contact potential and a theory of contact potential measurements.

    • Group 63 Seminar on Magnetism, Appendix V, Analogy Between a Set of Eigenfunctions and Coordinate Systems 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1953-01-21)
      Appendix to a memo for a Group 63 seminar on magnetism. Topics include an analogy between a set of eigenfunctions and coordinate systems, and matrix mechanics.