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Experimental Studies Of Thunderstorm Electrification
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Book Synopsis Experimental Studies of Thunderstorm Electrification by : Donald R. Fitzgerald
Download or read book Experimental Studies of Thunderstorm Electrification written by Donald R. Fitzgerald and published by . This book was released on 1976 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Airborne electric field sensing and computing systems have been developed and flown on C-130, F-100F, RF4C, and U-2 aircraft for studies of shower, cloud, and thunderstorm charge centers. Examples are given of the proper separation of field components and aircraft charge during thunderstorm penetrations and during direct lightning strikes to the test aircraft. Techniques have been employed for roll compensation of the aircraft-fixed field components so that real-time vector displays indicating the centroid of near-by charge concentrations are available for use in avoidance of probable lightning areas, or for use in selecting them to maximize the probability of a strike to test aircraft during lightning-aircraft interaction studies. The development of the storm electrical structure is directly related to details of the cloud water and ice distribution linked through the thermal and draft structure in the storm. Major features of the internal electrical pattern are often seen in data taken above, alongside, or at the surface. However, in accordance with electrostatic field theory, many of the fine structural details found within the storm are suppressed outside. The major vertical component field pattern is found to be one that could be produced by simple tilted dipolar charge structures. Depending on the physical conditions in different regions of the storm, the upper excess charge of the dipole may be either positive as generally reported from surface observations of the field, or it may be negative, as found in a number of the U-2 storm overflights accomplished in this project. (Author).
Book Synopsis Experimental Studies of Thunderstorm Electrification by : Donald R. Fitzgerald
Download or read book Experimental Studies of Thunderstorm Electrification written by Donald R. Fitzgerald and published by . This book was released on 1976 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Airborne electric field sensing and computing systems have been developed and flown on C-130, F-100F, RF4C, and U-2 aircraft for studies of shower, cloud, and thunderstorm charge centers. Examples are given of the proper separation of field components and aircraft charge during thunderstorm penetrations and during direct lightning strikes to the test aircraft. Techniques have been employed for roll compensation of the aircraft-fixed field components so that real-time vector displays indicating the centroid of near-by charge concentrations are available for use in avoidance of probable lightning areas, or for use in selecting them to maximize the probability of a strike to test aircraft during lightning-aircraft interaction studies. The development of the storm electrical structure is directly related to details of the cloud water and ice distribution linked through the thermal and draft structure in the storm. Major features of the internal electrical pattern are often seen in data taken above, alongside, or at the surface. However, in accordance with electrostatic field theory, many of the fine structural details found within the storm are suppressed outside. The major vertical component field pattern is found to be one that could be produced by simple tilted dipolar charge structures. Depending on the physical conditions in different regions of the storm, the upper excess charge of the dipole may be either positive as generally reported from surface observations of the field, or it may be negative, as found in a number of the U-2 storm overflights accomplished in this project. (Author)
Book Synopsis Laboratory Studies of Thunderstorm Electrification by : E. R. Jayaratne
Download or read book Laboratory Studies of Thunderstorm Electrification written by E. R. Jayaratne and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laboratory Studies of Thunderstorm Electrification by : S. J. Marsh
Download or read book Laboratory Studies of Thunderstorm Electrification written by S. J. Marsh and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Earth's Electrical Environment by : National Research Council
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.
Book Synopsis Experimental Studies in Electricity and Magnetism by : Francis Eugene Nipher
Download or read book Experimental Studies in Electricity and Magnetism written by Francis Eugene Nipher and published by . This book was released on 1914 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Corona from Ice, Thunderstorm Electrification and Lightning Suppression by : J. Latham
Download or read book Corona from Ice, Thunderstorm Electrification and Lightning Suppression written by J. Latham and published by . This book was released on 1980 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Five distinct avenues of research relating to thunderstorm electrification are presented: Airborne Studies of Thunderstorm Electrification details some results of the three-year Thunderstorm Research International Project (TRIP); Charge Transfer Accompanying Collisions Between Hailstones and Supercooled Raindrops in the Presence of an Electric Field; Charge Transfer Accompanying Individual Collisions Between Ice Particles, Surface Potential Steps and Their Role in Thunderstorm Electrification; The Growth of a Positive Streamer System; Laboratory and Theoretical Studies of the Raingush Phenomenon. The last four sections above are summaries of laboratory experiments conducted at the University of Manchester Institute of Science and Technology. (Author).
Book Synopsis NASA Thunderstorm Overflight Program by : Otha H. Vaughan
Download or read book NASA Thunderstorm Overflight Program written by Otha H. Vaughan and published by . This book was released on 1984 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Some Results of an Investigation Into Thunderstorm Charge Generation by : B. Vonnegut
Download or read book Some Results of an Investigation Into Thunderstorm Charge Generation written by B. Vonnegut and published by . This book was released on 1956 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the report is to determine whether electrification in growing cumulus clouds precedes initiation of precipitation as detectable by radar. The mechanisms taking place in the early stages of a forming thundercloud have received little attention in the past by students of thunderstorms. There appears to be no evidence reported in the literature to support the widely held premise that rain causes thunderstorm electrification. This experiment then should provide one rigid criterion for judging the acceptability of theories proposed. (Author).
Book Synopsis Homemade Lightning: Creative Experiments in Electricity by : R. A. Ford
Download or read book Homemade Lightning: Creative Experiments in Electricity written by R. A. Ford and published by McGraw-Hill Education TAB. This book was released on 2001-08-29 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. An excellent first book for the building electrical experimenter and a superb book for accomplished experimenters who haven't spent much time with electrostatics One of the best books on electrostatics for the hobbyists, inventor, or experimenter is updated and expanded to include newly uncovered information on electrostatic generators and complete instructions for building various types, including Wimshurst and Van de Graaff generators. Throughout the book, the author provides hard-to-find information on electrical anomalies, which represent the frontier of electrostatic research. Covering theory and presenting electroscope and other construction projects and experiments, this handbook also includes experiments with electrohorticulture, gravitation and electricity, cold light, and electric tornadoes. Homemade Lightning is both an excellent first book for the building electrical experimenter and a superb book for accomplished experimenters who haven't spent much time with electrostatics.
Book Synopsis Handbook of Atmospheric Electrodynamics, Volume I by : Hans Volland
Download or read book Handbook of Atmospheric Electrodynamics, Volume I written by Hans Volland and published by CRC Press. This book was released on 2017-11-22 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: The participation of such diverse scientific and technical disciplines as meteorology, astronomy, atmospheric electricity, ionospheric and magnetospheric physics, electromagnetic wave propagation, and radio techniques in the research of atmospherics means that results are published in scientific papers widely spread throughout the literature. This Handbook collects the latest knowledge on atmospherics and presents it in two volumes. Each chapter is written by an expert in his or her field. Topics include the physics of thunderclouds, thunder, global atmospheric electric currents, biological aspects of sferics, and various space techniques for detecting lightning within our own atmosphere as well as in the atmospheres of other planets. Up-to-date applications and methodology are detailed. Volumes I and II offer a comprehensive discussion that together will serve as an important resource for practitioners, professionals, and students alike.
Book Synopsis A Numerical Study of Thunderstorm Electrification: Initial Electrification and Thunderstorm Climatology by :
Download or read book A Numerical Study of Thunderstorm Electrification: Initial Electrification and Thunderstorm Climatology written by and published by . This book was released on 1991 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our purpose is to identify those atmospheric conditions that lead to thunderstorm electrification. We have collected aircraft and radar measurements of atmospheric parameters made during several recent intensive field studies, and we are modifying our thunderstorm model to make it more realistic. The radar measurements will be used as inputs to the model and we will attempt in-cloud microphysical, dynamical and electrical behavior in a range of atmospheric environments. As our simulations evolve, we will examine the relationships between atmospheric sounding parameters and subsequent electric field development and we will classify soundings in terms of parameters relevant for lightning production.
Book Synopsis The Lightning Discharge by : Martin A. Uman
Download or read book The Lightning Discharge written by Martin A. Uman and published by Courier Corporation. This book was released on 2012-08-21 with total page 395 pages. Available in PDF, EPUB and Kindle. Book excerpt: Absorbing monograph by expert sets forth most of known properties of lightning: cloud and lightning charges, stepped leader, return stroke, dart leader, lightning on other planets, thunder, more. 144 illustrations.
Book Synopsis Studies of Clouds, Precipitation, and Thunderstorm Electricity by : N. I. Vulʹfson
Download or read book Studies of Clouds, Precipitation, and Thunderstorm Electricity written by N. I. Vulʹfson and published by . This book was released on 1965 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Lightning: Principles, Instruments and Applications by : Hans Dieter Betz
Download or read book Lightning: Principles, Instruments and Applications written by Hans Dieter Betz and published by Springer Science & Business Media. This book was released on 2008-12-04 with total page 641 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lightning represents a natural phenomenon of substantial interest. Due to its complex nature, research continues in many countries and reveals amazing results. Lightning is actively observed because of its relevance to Earth climate and air composition in addition to the classical aspects of related human fatalities and damage to forests, buildings, power lines, aircraft, structures and electronic devices. In this volume, the most important contemporary questions on lightning are addressed and analyzed under many experimental and theoretical aspects. Lightning detection techniques using ground-based and space-borne methods are described, along with network engineering and statistical analysis. Contributions detail research on atmospheric electricity, cloud physics, lightning physics, modeling of electrical storms and middle atmospheric events. Special phenomena such as triggered lightning and sprite observations are examined. Lightning-induced nitrogen oxides and their effects on atmospheric chemistry and climate are discussed. Each topic is presented by international experts in the field. Topics include: * air chemistry * convective storms * infrasound from lightning * lightning and climate change * lightning and precipitation * lightning and radiation * lightning and supercells * lightning and thunderstorms * lightning detection * lightning from space * lighting protection * lightning return strokes * observations and interpretations * spatial distribution and frequency * triggered lightning * weather extremes
Book Synopsis Handbook of Atmospheric Electrodynamics by : Hans Volland
Download or read book Handbook of Atmospheric Electrodynamics written by Hans Volland and published by CRC Press. This book was released on 1995-04-27 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: The participation of such diverse scientific and technical disciplines as meteorology, astronomy, atmospheric electricity, ionospheric and magnetospheric physics, electromagnetic wave propagation, and radio techniques in the research of atmospherics means that results are published in scientific papers widely spread throughout the literature. This Handbook collects the latest knowledge on atmospherics and presents it in two volumes. Each chapter is written by an expert in his or her field. Topics include the physics of thunderclouds, thunder, global atmospheric electric currents, biological aspects of sferics, and various space techniques for detecting lightning within our own atmosphere as well as in the atmospheres of other planets. Up-to-date applications and methodology are detailed. Volumes I and II offer a comprehensive discussion that together will serve as an important resource for practitioners, professionals, and students alike.
Book Synopsis The Ice Crystal-graupel Collision Charging Mechanism of Thunderstorm Electrification by : Peter Berdeklis
Download or read book The Ice Crystal-graupel Collision Charging Mechanism of Thunderstorm Electrification written by Peter Berdeklis and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ice crystal-graupel collision charging mechanism, which is considered important in thunderstorm electrification, was studied using a newly developed Triple Interaction Facility. The facility is the first to allow independent control of the solid, liquid and vapor phases of a simulated cloud. The charge transferred to a riming target by collisions with ice crystals was measured over a wide range of cloud conditions. It was found that the charge transfer was a function of the temperature and the effective liquid water content of the cloud. It was also found that the charge transfer to the target was extremely sensitive to the relative humidity at which the ice crystals were grown. Higher relative humidity always promoted stronger negative charging, while lower humidity led to weaker negative or stronger positive charging. The sensitivity of the charge transfer to relative humidity was greatest at temperatures between-13°C and-18°C, with the strongest negative charging observed near-15°C. Within this temperature range the average charge transferred to the target could be varied from +5 fC per ice crystal collision to -25 fC per collision by varying the humidity from ice to water saturation, respectively. In experiments performed at humidities near water saturation and at temperatures near -15°C, charge transfers greater than -60 fC per collision were observed within the first 30 seconds after ice crystals are initiated. It was also found that at high relative humidity the maximum negative charge transferred to the target occurred at a velocity of 5m s-1 and was much weaker at 3, 4 and 6 m s-1. A parameterization of the results is presented for use in numerical thunderstorm models. Analysis of the data indicates that a competition between negative charge transfer between the liquid-like' layers of the colliding ice particles and positive charge transfer due to different dislocation densities can provide a consistent physical model of the effect of relative humidity. It is shown that differences in. the relative humidity can explain quantitatively the discrepancies between the observations of previous investigators. A new conceptual model of thunderstorm electrification is also presented.
