The NMR Inversion Echo Analog Formed in the Rotating Coordinate System of Magnets | Chapter 6 | Recent Progress in Science and Technology Vol. 6

 The opposite NMR echo in the laboratory standards for judging or deciding was first observed in cobalt nanofilms. In this work, we study allure analog, that is formed in a rotating standards for judging or deciding in cobalt micropowders and lithium-metallic mineral ferrite. The response of nuclear spin-scheme in the domain divider of multidomain lithium-zinc ferrite and cobalt micropowders to the linked action of RF and drawing videopulses was studied. It results in the composition of echo which response maybe treated as an parallel of the inversion echo in the rotating standards for judging or deciding. An evaluation of the rule wall pinning introduce the multidomain magnets is provided for one magnetic videopulse's amplitude, that corresponds to the presence of this echo signal.

Author(s) Details:

Grigor Mamniashvili,
Department of Condensed Matter Physics at Ivane Javakhishvili Tbilisi State University Andronikashvili Institute of Physics, 6 Tamarashvili St. 0177, Tbilisi, Georgia.

Tatiana Gegechkori,
Department of Condensed Matter Physics at Ivane Javakhishvili Tbilisi State University Andronikashvili Institute of Physics, 6 Tamarashvili St. 0177, Tbilisi, Georgia.

Giorgi Donadze,
Department of Condensed Matter Physics at Ivane Javakhishvili Tbilisi State University Andronikashvili Institute of Physics, 6 Tamarashvili St. 0177, Tbilisi, Georgia.

Tsisana Gavasheli,
Faculty of Exact and Natural Sciences at Ivane Javakhishvili Tbilisi State University, 1 Chavchavadze Ave. Tbilisi-0179, Georgia.

Please see the link here: https://stm.bookpi.org/RPST-V6/article/view/9866

The Catastrophe of Rapidly Rotating Fluids: A Recent Study | Chapter 8 | New Trends in Physical Science Research Vol. 6

 The rotation effect is occasionally disregarded while studying rotating fluid systems in astronomy, such as stars or gas giant planets. This is due to the fact that the many stars in our universe revolve around themselves at comparatively moderate speeds. However, the rotational speed of the fluid contained in the star's core may reach exceptionally high values when characterising the internal structure of an astrophysical object. Centrifugal forces cannot, therefore, be neglected in the fluid motion equation. In this study, we present a simplified yet comprehensive analysis of rapidly spinning fluid systems. Then, Euler's equation incorporates the centrifugal force. The distinctive characteristic of this type of system is revealed by the equation's solution: "the catastrophe of rapidly spinning fluids." You'll then observe that the scenario where the fluid is rotating quickly is the one that most accurately depicts the dynamics in star cores. The nuclear engineer will employ this novel trait of fluids rotating quickly to build a new style of nuclear fusion reactor.

Author(s) Details:

Elie W'ishe Sorongane,
Physics Department, University of Kinshasa, Kinshasa, Democratic Republic of the Congo.

Please see the link here: https://stm.bookpi.org/NTPSR-V6/article/view/7214