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Abstract <p>Experimental and theoretical analysis of long-lived luminous Formation—Ball lightning (BL) creation in experiments and nature has been made. Experiments with plasma jet from the standard erosive plasma generator were carried out. Studies a possibility of creating analogues of BL in laboratory conditions at plasma jet influence on metals: aluminum, iron, copper, solder in order to find out. Energy input from the plasma generator was 1200–1500 J. The current maximum I, was 72 A, plasma pulse time was 7–25 ms. Spherical luminous formations with dimensions up to 1.5 cm and a lifetime of up to 3–7 s were obtained. They have a shell and a cavity filled by a vapor. By a way of motion, they are similar to natural BL. The similarity of these objects to natural BL is discussed. Theory of BL based on these experiments is presented. It describes BL as a formation with a quasi- solid cover and an internal core filled by a hot gas. Electric charges from the linear lightning makes the BL highly charged object.</p>

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Long-Lived Luminous Formations—Ball Lightning—by the Capillary Plasmatron

  • 期刊论文

  • 发表日期：

    2025年10月12日

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  • V. L. Bychkov,
  • D. E. Sorokovykh,
  • D. V. Bychkov,
  • A. A. Logunov

摘要

Abstract

Experimental and theoretical analysis of long-lived luminous Formation—Ball lightning (BL) creation in experiments and nature has been made. Experiments with plasma jet from the standard erosive plasma generator were carried out. Studies a possibility of creating analogues of BL in laboratory conditions at plasma jet influence on metals: aluminum, iron, copper, solder in order to find out. Energy input from the plasma generator was 1200–1500 J. The current maximum I, was 72 A, plasma pulse time was 7–25 ms. Spherical luminous formations with dimensions up to 1.5 cm and a lifetime of up to 3–7 s were obtained. They have a shell and a cavity filled by a vapor. By a way of motion, they are similar to natural BL. The similarity of these objects to natural BL is discussed. Theory of BL based on these experiments is presented. It describes BL as a formation with a quasi- solid cover and an internal core filled by a hot gas. Electric charges from the linear lightning makes the BL highly charged object.