Tortuosity of lightning |
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| Institution: | 1. University of Tennessee, School of Journalism and Electronic Media, 333 Communications Building, Knoxville, TN 37996-0333, USA;2. University of Tennessee, School of Information Sciences, 420 Communications Building, Knoxville, TN 37996-0451, USA;1. School of Statistics and Management, Shanghai University of Finance and Economics, Shanghai, 200433, China;2. Naveen Jindal School of Management, The University of Texas at Dallas, Richardson, TX, 75083, USA;3. School of Business, University of San Diego, San Diego, CA, 92110, USA;1. Wuhan National Lab for Optoelectrics, Huazhong University of Science and Technology, Wuhan 430074, PR China;2. Accelink Technologies Co., LTD., Wuhan 430205, PR China;1. Department of Biomaterials Science, Institute of Dentistry and Biocity Turku Biomaterials and Medical Device Research Program, University of Turku, Turku, Finland;2. Turku Clinical Biomaterials Centre—TCBC, University of Turku, Turku, Finland;3. College of Materials Science and Engineering, South China University of Technology, Guangzhou, China;4. City of Turku Welfare Division, Oral Health Care, Turku 20101, Finland;1. Department of Mechanical Engineering, Melbourne University, Australia;2. Defence Science and Technology Group, Melbourne, Australia |
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| Abstract: | Characteristics of lightning tortuosity from a number of investigations are studied, and the tentative conclusion reached is that tortuosity stems primarily from a lack of electric field directivity at the head of the lightning flash leader. There is strong evidence that the tortuosity of a lightning flash is polarity-dependent, and the influence of an induced junction leader on the initial oncoming leader is indicated. |
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