By Alberto Carpinteri, Giuseppe Lacidogna, Amedeo Manuello
This e-book provides the appropriate results of lately found and interdisciplinary phenomena, prompted by means of neighborhood mechanical instabilities. particularly, it appears at emissions from nano-scale mechanical instabilities corresponding to fracture, turbulence, buckling and cavitation, focussing on vibrations on the TeraHertz frequency and Piezonuclear reactions. destiny purposes for this paintings may well comprise earthquake precursors, weather swap, power construction and mobile biology.
A sequence of fracture experiments on traditional rocks demonstrates that the TeraHertz vibrations may be able to set off fission reactions on medium weight components observed by way of neutron emissions. a similar phenomenon looks to have happened in different assorted events, really within the chemical evolution of the Earth and sunlight process, via seismicity (rocky planets) and storms (gaseous planets). As the authors discover, those phenomena may also clarify puzzles related to the historical past of our planet, just like the ocean formation or the primordial carbon toxins, in addition to clinical mysteries, just like the so-called “cold nuclear fusion” or the right kind radio-carbon courting of natural fabrics, reminiscent of the Turin Shroud. In biology, Piezonuclear reactions may clarify the mechanism that governs the so-called "sodium-potassium pump" and extra quite often, the metabolic processes.
Scientists engaged in seismology, geophysics, geochemistry, climatology, planetology, condensed topic physics and b
iology, in addition to these keen on theoretical and utilized mechanics, will all relish the cutting edge paintings offered the following in a holistic way.
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Extra resources for Acoustic, Electromagnetic, Neutron Emissions from Fracture and Earthquakes
J Geophys Res 87:2851–2859 20. Nagao T, Enomoto Y, Fujinawa Y et al (2002) Electromagnetic anomalies associated with 1995 Kobe earthquake. J Geodynamics 33:401–411 21. Rabinovitch A, Frid V, Bahat D (2007) Surface oscillations. A possible source of fracture induced electromagnetic oscillations. Tectonophysics 431:15–21 22. Widom A, Swain J, Srivastava YN (2013) Neutron production from the fracture of piezoelectric rocks. J Phys G Nucl Part Phys 40:15006 (1À8) 23. Widom A, Swain J, Srivastava YN (2015) Photo-disintegration of the iron nucleus in fractured magnetite rocks with magnetostriction.
Manuello et al. 44) nSv/h 800 600 400 200 0 0 10 20 30 40 50 60 70 80 Time (hrs) Fig. 3 (a) Magnetite: For specimen P2 the neutron emissions achieved values of about three orders of magnitude higher than the background level. 4 Compositional Changes: EDS Analysis on Basalt After the mechanical loading experiments, Energy Dispersive X-ray Spectroscopy (EDS) was performed on different samples of external and fracture surfaces, belonging to the same specimens used during the cyclic loading test on basalt.
6a, b the results obtained by thermodynamic detectors and the equivalent neutron dose for a basalt specimen subjected to fatigue test at low frequency are reported. Also in this case, droplets counting was performed every 12 h and the equivalent neutron dose was calculated. 44) nSv/h. The neutron equivalent dose variation, evaluated during the cyclic loading test, is reported (see Fig. 6b). An increment of about 20 times with respect to the background level was detected at specimen failure. No significant variations in neutron emissions were observed before failure.