Autor Tema: Schumann cavity  (Posjeta: 3637 vremena)

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Offline IceFisherman

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Schumann cavity
« u: 11.02.2008. u 13:38:42 sati »
gledal sam   nekakav prilog o N.Tesli  i unutra se to spomenulo  ... probal sam googlati ali  uglavnom najdem   stranice o schumannovoj  rezonanci   .. ne i o  toj "šupljini"   .. jedino sam uspel skopati  ovo

Citat:
The Schumann cavity surrounds the Earth between ground level and extends upward to a maximum 80 kilometers. Experiments to date have shown that electromagnetic waves of extreme low frequencies in the range of 8 Hz, the fundamental Schumann Resonance frequency, propagate with little attenuation around the planet within the Schumann Cavity. Knowing that a resonant cavity can be excited and that power can be delivered to that cavity similar to the methods used in microwave ovens for home use, it should be possible to resonate and deliver power via the Schumann Cavity to any point on Earth. This will result in practical wireless transmission of electrical power. Background Although it was not until 1954-1959 when experimental measurements were made of the frequency that is propagated in the resonant cavity surrounding the Earth, recent analysis shows that it was Nikola Tesla who, in 1899, first noticed the existence of stationary waves in the Schumann cavity. Tesla's experimental measurements of the wave length and frequency involved closely match Schumann's theoretical calculations. Some of these observations were made in 1899 while Tesla was monitoring the electromagnetic radiations due to lightning discharges in a thunderstorm which passed over his Colorado Springs laboratory and then moved more than 200 miles eastward across the plains. In his Colorado Springs Notes, Tesla noted that these stationary waves "... can be produced with an oscillator," and added in parenthesis, "This is of immense importance."6 The importance of his observations is due to the support they lend to the prime objective of the Colorado Springs laboratory. The intent of the experiments and the laboratory Tesla had constructed was to prove that wireless transmission of electrical power was possible. Schumann Resonance is analogous to pushing a pendulum. The intent of Project Tesla is to create pulses or electrical disturbances that would travel in all directions around the Earth in the thin membrane of non- conductive air between the ground and the ionosphere. The pulses or waves would follow the surface of the Earth in all directions expanding outward to the maximum circumference of the Earth and contracting inward until meeting at a point opposite to that of the transmitter. This point is called the anti-pode. The traveling waves would be reflected back from the anti-pode to the transmitter to be reinforced and sent out again. $B3î(J At the time of his measurements Tesla was experimenting with and researching methods for "...power transmission and transmission of intelligible messages to any point on the globe." Although Tesla was not able to commercially market a system to transmit power around the globe, modern scientific theory and mathematical calculations support his contention that the wireless propagation of electrical power is possible and a feasible alternative to the extensive and costly grid of electrical transmission lines used today for electrical power distribution.

mene sad zanima  dali se i dalje  vršiju istraživanja vezana uz to ?  ili je sve to propalo  zato jer to nema "komercijalne" vrednosti  a ustvari   je jako jako vredno  :(

ak  ko zna kaj više o tome nek napiše  :115:    .. linkovi  također dobrodošli  :wink:
Hominum natura novitatis ac peregrinationis avida est. Ad astra volat !

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Offline Todor

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Odg: Schumann cavity
« Odgovori #1 u: 11.02.2008. u 13:52:02 sati »
A tko je uspio proizvesti EM val frekvencije 8Hz? Valna duljina bi bila 0,375 * 108metara? Odnosno 37500 km? Da bi izračio ili uhvatio taj val, antena bi trebala biti impresivnih razmjera...
Trolor

Offline IceFisherman

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Odg: Schumann cavity
« Odgovori #2 u: 11.02.2008. u 13:53:59 sati »
Kaj nije Tesla radil na tome ?   .. znam  da je on radil nekakvu antenu koju su mu onda porušili kad su skužili  da bi on  besplatno  struju distribuiral
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Offline Filip Lolic

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Odg: Schumann cavity
« Odgovori #3 u: 11.02.2008. u 13:58:22 sati »
A tko je uspio proizvesti EM val frekvencije 8Hz? Valna duljina bi bila 0,375 * 108metara? Odnosno 37500 km? Da bi izračio ili uhvatio taj val, antena bi trebala biti impresivnih razmjera...

Tko? Pa Rusi i Amerikanci :lol:
http://en.wikipedia.org/wiki/Extremely_low_frequency
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Offline Todor

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Odg: Schumann cavity
« Odgovori #4 u: 11.02.2008. u 14:07:19 sati »
Vid' vraga ipak su uspjeli  :mrgreen:
Ali podmornice vuku iza sebe 1km žicu za prijem. Ja sebe ne mogu zamisliti sa 1km žice iza laptopa.
Trolor

Offline Krun0

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Odg: Schumann cavity
« Odgovori #5 u: 11.02.2008. u 15:12:06 sati »
Za neku korisnu distribuciju,takav sistem Zemlja-antena nema prihvatljivu korisnost....
     tj.klasicno radio-odasiljanje nije prakticno ni korisno.....zato je Tesla
     vrsio experimente s visokim naponom i onim ogromnim tornjevima.....

BTW...kad bi to uspjelo i u slucaju kvara na modulatoru sprzio bi povremeno koji milijun ljudi
     ....cernobilje bi bilo GK... :twisted:
Deus non est !
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Offline bojan

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Odg: Schumann cavity
« Odgovori #6 u: 12.02.2008. u 08:27:38 sati »
A da ne govorimo o negativnom utjecaju tog polja na ziva bica kad je sve u redu..
Kolika graja se je dizala zbog moguce veze mobilnih telefona i karcinoma mozga.. ili dalekovoda i leukemije... Ta graja ne bi bila nista u usporedbi sa ovom koja bi se digla u slucaju prijenosa energije . Ja sam se dosta bavio sa tom problematikom u NEC. Doduse, buduci je NEC proizvodjac mobilnih telefona i kao takav ja sam pristrasan.. pa moje misljenje da to nema veze zapravo nema veze  :mrgreen:
Mislim da sve to skupa nema veze sa prakticnog gledista. Teoretski sve je to moguce, dakako, ali....
Dalekovodi, transformatori, kabel i uticnica su tu jer NE ZRACE energiju (previse) i jos ce dugo biti dio nase svakodnevnice... dok ih mozda eventualno ne zamijeni bolji akumulator ili goriva celija, bar u nekim primjenama, laptop na primjer. Ili mobilni telefon (iako nisam siguran da bi itko zelio aktivnu gorivu celiju u dzepu...)
Isto se odnosi i na nedavo popularizirani "izum" nekih decki is CalTech, mislim (ili je to bil Yale?), bilo je jako puno pompe u Hrvatskoj jer je navodno jedan Zagrebcan bio u tom timu (ili ga je cak i vodio, ne sjecam se vise). Navodno da su uspjeli upaliti zarulju na udaljenosti od par metara, sa efikasnoscu od 30-40% (?). Upotrijebili su rezoonantne krugove.. nesto slicno prvim Hertzovim eksperimentima kad se on igrao mikrovalovima... To je jos Tesla radio, pa uopce ne kuzim u cemu je tu bil stos.
A gdje je tu EMI (Electromagnetic Interference)? Propisi i legislativa koja regulira nivo EM za to su takvi da nikakav prijenos energije mikrovalovima ne dolazi u obzir, cisto sa zakonske strane.
Sve je to igrarija. 
« Zadnja izmjena: 12.02.2008. u 10:20:24 sati od bojan »
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