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Thunderbolts Forum • View topic - Satellites, Spacecraft, and Electric Fields

Satellites, Spacecraft, and Electric Fields

Historic planetary instability and catastrophe. Evidence for electrical scarring on planets and moons. Electrical events in today's solar system. Electric Earth.

Moderators: MGmirkin, bboyer

Re: ISS electric fields

Unread postby Ben D » Mon Dec 29, 2008 5:24 pm

It appears NASA is on to something as a result of their 'tether' experiment back in 1996.



The Tethered Satellite System employed a large deployment mechanism, resembling a deck winch, in the Space Shuttle payload bay. The winch unreeled 20 km of insulated, conducting tether with a spherical satellite at the end. As the Shuttle orbited the Earth, the electrical wire cut through the Earth's magnetic field , and the motion produced an electrical current. Electrons - which make up a current - were collected by the satellite, through the tether, and flowed out the Shuttle by way of an electron gun that dumped the charge as it built up.

What Stone and other scientists found was that the tethered system produced more current that expected.

"The theoretical models were not accurate on tether," Stone said, "and the currents were higher than we expected." Specifically, the models require that the voltage be 10 times greater to collect a current than what was observed. Before the flight, the models predicted that the tether would produce 0.5 amp (0.5 A) under ideal conditions. Instead, it produced more than 1 amp under less than ideal conditions.

The Tethered Satellite System (TSS) carried on the Space Shuttle was a large, complex system. Discoveries from are showing how smaller tethers can be used to keep satellites in orbit.

"The models were a factor of two or three off because they don't include the effects of orbital motion through the plasma (electrified gas) of the ionosphere," Stone said. While motion of a conductor through the magnetic field is crucial (it's also how a generator in a power plant works), motion through the electrons in space was thought to be a miniscule effect. The Shuttle moves at 7.7 km/s (17,500 mph) while the electrons move at 200 km/s (115,000 mph).

It turns out that the current carried by those electrons connected nicely with the tethered system and "contributed significantly" to the power generated.

Dr. J. R. Sanmartin of the Polytechnic University of Madrid, Spain, predicted that a tethered system did not need a large sphere at the end of the line to work. The motion of a satellite through space generate a plasma shield that stands off about 1 cm (0.4 in) away from the spacecraft surface. On the 1.8 m (6 ft) diameter TSS, that 1 cm standoff adds only about 2 percent to the collecting area. On a wire, it increases the collecting area 400-fold or more, so that an 82-meter wire now has as much effective collecting area as the 1.8-meter sphere.

"If this new bare wire tether works as advertised," Stone said. "it would allow us to collect considerably more current for a given length of tether." As a result, shorter tethers could be used for propulsion or to generate electrical power.
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Re: ISS electric fields

Unread postby Solar » Mon Dec 29, 2008 6:25 pm

Excellent find Ben D. I thought I was reading a TPOD!!! - in their own words to boot!
"Our laws of force tend to be applied in the Newtonian sense in that for every action there is an equal reaction, and yet, in the real world, where many-body gravitational effects or electrodynamic actions prevail, we do not have every action paired with an equal reaction." — Harold Aspden
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Re: ISS electric fields

Unread postby Ben D » Mon Dec 29, 2008 7:35 pm

Thanks Solar, BTW the link for the 'Propulsive Small Expendable Deployer System - ProSEDS' that was to be a follow on experiment, in that article didn't work for me,.. here is one that I found from a quick google. Very interesting to see NASA's plans to wire it up in the electrical motor mode for raising the orbit of spacecraft.



In the ProSEDS demonstration, it's a 15 km(9.3 mi) tether unwound upward from the Delta II rocket stage. The upper 10 km (6.2 mi) are nonconducting, and the lower 5 km (3.1 mi) are a bare wire to make an electrical connection with the ionized gases - plasmas - of space.

The slight decrease in Earth's gravity across the length of the tether actually pulls the two ends apart, keeping the tether stretched out. Once unreeled, the tether moves across the Earth's magnetic field lines and, in "generator mode," produces an electrical current through the tether. A hollow cathode then ejects electrons back into space, thus completing the circuit - and putting the brakes on the rocket.

"The next step would be another demonstration that shows orbit raising by using the tether in the 'motor mode.' Rather than generating power, the tether system could use electrical power from solar arrays to generate thrust and boost the satellite's altitude," Johnson continued. That probably would require a dedicated spacecraft for the demonstration. But it would be a worthwhile investment that could lead to a savings of up to $2 billion in space station operations costs, power space tugs taking satellites to higher orbits, and possibly reduce the weight and cost of probes to Jupiter and its moons.
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Re: ISS electric fields

Unread postby junglelord » Wed Dec 31, 2008 7:54 am

The tether video was the most unusal thing I have ever seen.
:shock:
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Re: ISS electric fields

Unread postby Solar » Fri Jan 02, 2009 3:52 pm

The events tell a tale of stark contrast in the world of astrophysics and cosmology. Often one can encounter characterizations of EU/Plasma Cosmology ideas and it's proponents as being generally 'rebellious' and the theory in need of mathematical erudition.

They're creating electricity for the ISS via running a wire through the Earth's magnetic field but some astronomers and cosmologist don't make the necessary, and practical, quantum leap in ascertaining the origin of those magnetic fields?

I reference individuals such as who apparently works for NASA or some associated entity thereof or ScienceApologist and the educational system. Yet; while the polemic diatribe continues the company Plait works for is figuring out ways to literally get "". :shock:

It's truly amazing and defies all reasonable attempts to understand.
"Our laws of force tend to be applied in the Newtonian sense in that for every action there is an equal reaction, and yet, in the real world, where many-body gravitational effects or electrodynamic actions prevail, we do not have every action paired with an equal reaction." — Harold Aspden
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Re: ISS electric fields

Unread postby junglelord » Sat Jan 03, 2009 3:39 am

http://spacescience.spaceref.com/newhom ... ct98_1.htm
Excellent link Solar and good call on the dummies.....
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Casting Out the Nines from PHI into Indigs reveals the Cosmic Harmonic Code.
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The Pioneer Anomaly revisited

Unread postby FS3 » Fri Feb 06, 2009 6:45 am

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Rosetta spacecraft to observe gravity boost anamoly

Unread postby jjohnson » Thu Nov 12, 2009 9:34 am

A release yesterday from the European Space Agency (ESA) notes that their comet-chasing probe, Rosetta, will swing by the Earth to get a gravity boost en route to its targeted comet. A number of spacecraft NEAR; Galileo) utilizing this maneuver have exhibited unexplainable anomalous velocity changes, apparently, and scientists cannot yet explain why. Such changes range from no change to as much as 13 mm/s. They have ruled out "atmospheric drag" as a reason (duh! drag decelerates as it extracts orbital energy) but apparently cannot substitute anything else to account for the departures from their predicted acceleration during the probe-Earth interaction. These fall into the larger category of unexplainable velocity anomalies, including the Pioneer perturbations which were completely unexpected, as well.

[url]http://www.esa.int/SPECIALS/Operations/SEMUCV3VU1G_0.html[/url]

Perhaps EU scientists could link gravity with E/M phenomena to explain these things. Perhaps Miles Mathis's ideas on the unified field would account for these tiny differentials based on the spacecraft's and Earth's gravity/charge balances at various distances apart. There seems to be some reference to altitude above Earth during these slingshot maneuvers, but the altitudes are not given for all such passes. Do these probes gather or discharge electric charge during their voyages elsewhere before returning to the Earth environment for their gravity boost, and could this factor in? Do scientists consider every conceivable angle in their search for an answer? -and don't forget the always mysterious influence of Dark Things, too.
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Re: Rosetta spacecraft to observe gravity boost anamoly

Unread postby mharratsc » Fri Nov 13, 2009 8:27 am

Mike H.

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Re: Rosetta spacecraft to observe gravity boost anamoly

Unread postby StevenJay » Fri Nov 13, 2009 9:47 am

It's all about perception.
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Re: Rosetta spacecraft to observe gravity boost anamoly

Unread postby jjohnson » Fri Nov 13, 2009 10:39 am

Mike - yeah, I see this all the time and just cringe. Sometimes I write corrections or EU observation, but that goes the way of Halton Arp's career in the U.S., doesn't it? Android means man-like and hence the predisposition to typos!!
SJ - That's why I call them ortho-docs! They are all forced by training into the same mold so that they can advance along the deepening wagon ruts only. Increasingly, even when observing, they are only trying to do something a teensy different (but never too different) to fill in the chinks and prop things up and get accepted for publication. Consistency is ever the hobgoblin of small minds... Which is precisely why I enjoy and fit in with the viewpoints, generally, of the PC/EU folks. Fresh ideas and viewpoints argued in multiple forums by skeptical but open and critically enquiring minds.
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PLASMA and the International Space Station

Unread postby MrAmsterdam » Tue Dec 08, 2009 1:25 pm

A funny discovery. In my view the international space station can be seen as an environmental plasma field experiment!

http://www.nasa.gov/mission_pages/stati ... Model.html

How far up is the ISS?
And how far does the plasma field reach into space?
Today's scientists have substituted mathematics for experiments, and they wander off through equation after equation, and eventually build a structure which has no relation to reality. -Nikola Tesla -1934
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Re: PLASMA and the International Space Station

Unread postby MrAmsterdam » Thu Jan 21, 2010 6:50 am

Satellite "IMAGE Scientific Discoveries" 2000-2005

http://image.gsfc.nasa.gov/poetry/IMAGEdisc.html

Very interesting read about plasma surrounding the earth.
Today's scientists have substituted mathematics for experiments, and they wander off through equation after equation, and eventually build a structure which has no relation to reality. -Nikola Tesla -1934
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Re: PLASMA and the International Space Station

Unread postby mharratsc » Sat Jan 23, 2010 1:29 pm

Wow! I didn't even know about that site! :o

So here we have NASA finally investigating the process that Kristian Birkeland put forth over one hundred years ago... and not a damn bit of it is making it to popular media, at least that I've seen at any rate. :\
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Re: Satellites, Spacecraft, and Electric Fields

Unread postby nick c » Fri Mar 25, 2011 1:59 pm

This thread is a composite of the following threads:

ISS electric fields

Satellites and Space Weather

PLASMA and the International Space Station
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