Download or read book Triggered lightning Properties Inferred from Measured Currents and Very Close Magnetic Fields written by Ashwin B. Jhavar and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: Very close magnetic fields produced by rocket-triggered lightning measured in 1997, 1999, 2000, and 2001 at Camp Blanding, Florida, are examined. The leader and return stroke contributions to the total magnetic field are estimated and used to infer leader and return-stroke currents. The statistical characteristics of these inferred currents are examined. The return-stroke currents inferred from measured magnetic fields are compared with directly measured ones. Leader currents inferred from measured magnetic fields are compared with those estimated using dE/dt measurements. The statistics of the ratio of leader to return stroke currents are compiled. Current estimates from measured magnetic fields are in reasonable agreement with independent measurements and theoretical predictions found in the literature.
Download or read book Rocket Triggered Lightning written by Li Cai and published by Springer Nature. This book was released on with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Properties of Natural Cloud to ground Lightning Inferred from Multiple station Measurements of Close Electric and Magnetic Fields and Field Derivatives written by Jason Edward Jerauld and published by . This book was released on 2007 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation presents an examination of natural cloud-to-ground lightning in Florida, experimental data for which were acquired in 2002 to 2004. Several processes involved in natural lightning, in particular stepped leaders and first return strokes, were studied using the electric (E) and magnetic (B) fields and field derivatives (dE/dt and dB/dt) measured at distances ranging from about 50 m to 1 km. The experimental system used, known as the Multiple Station Experiment (MSE) system, consisted of six electric field sensors (bandwidth of 0.2 Hz to 4 MHz), two magnetic field sensors (10 Hz to 4 MHz), four dE/dt sensors (up to 20 MHz), and three dB/dt sensors (up to 20 MHz), spread around an area of about 0.5 km2. The system is located at the International Center for Lightning Research and Testing (ICLRT), and is operated by the University of Florida Lightning Research Group. Between 2002 and 2004, data were acquired for about 20 lightning flashes, including one consisting of both positive and negative strokes, all thought to have terminated on ground within or near the network. The channel locations were estimated by a 2-D time-of-arrival method, using the peaks of the return stroke dE/dt waveforms. The estimated locations were used in performing a statistical characterization of several field waveform parameters (such as the leader and return stroke electric field changes), and parameters of the leader channels (such as the line charge density, speed, and current) were estimated from the acquired waveforms using simple models. Further, new insights into the mechanisms of the stepped leader and ground attachment process were gained from the experimental data and associated modeling.
Download or read book Radio Science written by and published by . This book was released on 2008 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Time Domain Measurements in Electromagnetics written by Edmund K. Miller and published by Springer Science & Business Media. This book was released on 1986-11-30 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fundamentals of Lightning written by Vladimir A. Rakov and published by Cambridge University Press. This book was released on 2016-04-07 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents the current state of the art in lightning science, for advanced undergraduate and graduate students on a single-semester course.
Download or read book Lightning written by Vladimir A. Rakov and published by Cambridge University Press. This book was released on 2007-01-08 with total page 1485 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lightning: Physics and Effects is the first book that covers essentially all aspects of lightning, including lightning physics, lightning protection and the interaction of lightning with a variety of objects and systems as well as with the environment. It is written in a style that will be accessible to the technical non-expert and is addressed to anyone interested in lightning and its effects. This will include physicists, engineers working in the power, communications, computer and aviation industries, meteorologists, atmospheric chemists, foresters, ecologists, physicians working in the area of electrical trauma and architects. This comprehensive reference volume contains over 300 illustrations, 70 tables containing quantitative information and a bibliography of more than 6000 references.
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Earth s Plasmasphere written by Fabien Darrouzet and published by Springer Science & Business Media. This book was released on 2009-08-21 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: James L. Burch·C. Philippe Escoubet Originally published in the journal Space Science Reviews, Volume 145, Nos 1–2, 1–2. DOI: 10. 1007/s11214-009-9532-7 © Springer Science+Business Media B. V. 2009 The IMAGE and CLUSTER spacecraft have revolutionized our understanding of the inner magnetosphere and in particular the plasmasphere. Before launch, the plasmasphere was not a prime objective of the CLUSTER mission. In fact, CLUSTER might not have ever observed this region because a few years before the CLUSTER launch (at the beginning of the 1990s), it was proposed to raise the perigee of the orbit to 8 Earth radii to make multipoint measu- ments in the current disruption region in the tail. Because of ground segment constraints, this proposal did not materialize. In view of the great depth and breadth of plasmaspheric research and numerous papers published on the plasmasphere since the CLUSTER launch, this choice certainly was a judicious one. The fact that the plasmasphere was one of the prime targets in the inner magnetosphere for IMAGE provided a unique opportunity to make great strides using the new and comp- mentary measurements of the two missions. IMAGE, with sensitive EUV cameras, could for the rst time make global images of the plasmasphere and show its great variability d- ing storm-time. CLUSTER, with four-spacecraft, could analyze in situ spatial and temporal structures at the plasmapause that are particularly important in such a dynamic system.
Download or read book Introduction to Space Physics written by Margaret G. Kivelson and published by Cambridge University Press. This book was released on 1995-04-28 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt: All aspects of space plasmas in the Solar System are introduced and explored in this text for senior undergraduate and graduate students. Introduction to Space Physics provides a broad, yet selective, treatment of the complex interactions of the ionized gases of the solar terrestrial environment. The book includes extensive discussion of the Sun and solar wind, the magnetized and unmagnetized planets, and the fundamental processes of space plasmas including shocks, plasma waves, ULF waves, wave particle interactions, and auroral processes. The text devotes particular attention to space plasma observations and integrates these with phenomenological and theoretical interpretations. Highly coordinated chapters, written by experts in their fields, combine to provide a comprehensive introduction to space physics. Based on an advanced undergraduate and graduate course presented in the Department of Earth and Space Sciences at the University of California, Los Angeles, the text will be valuable to both students and professionals in the field.
Download or read book Power Systems written by Leonard L. Grigsby and published by CRC Press. This book was released on 2007-05-30 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: Part of the second edition of The Electric Power Engineering Handbook, Power Systems offers focused and detailed coverage of all aspects concerning power system analysis and simulation, transients, planning, reliability, and power electronics. Contributed by worldwide leaders under the guidance of one of the world's most respected and accomplished
Download or read book Government Reports Announcements Index written by and published by . This book was released on 1996-02 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Earth s Electrical Environment written by National Research Council and published by National Academies Press. This book was released on 1986-02-01 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: This latest addition to the Studies in Geophysics series explores in scientific detail the phenomenon of lightning, cloud, and thunderstorm electricity, and global and regional electrical processes. Consisting of 16 papers by outstanding experts in a number of fields, this volume compiles and reviews many recent advances in such research areas as meteorology, chemistry, electrical engineering, and physics and projects how new knowledge could be applied to benefit mankind.
Download or read book Plasma Physics Index written by and published by . This book was released on 1971 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Journal of Geophysical Research written by and published by . This book was released on 2005 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Physics Briefs written by and published by . This book was released on 1991 with total page 1454 pages. Available in PDF, EPUB and Kindle. Book excerpt:
