Re: Wireless DC electricity?

bz wrote:
Radium <glucegen1@xxxxxxxxx> wrote in news:1178995320.977483.103460
@e65g2000hsc.googlegroups.com:


On May 11, 4:00 pm, bz <bz+...@xxxxxxxxxxxxxxxxxxxx> wrote:


Radium <gluceg...@xxxxxxxxx> wrote in news:1178864030.611215.172960
@y5g2000hsa.googlegroups.com:

On May 9, 7:27 pm, Uncle Al <Uncle...@xxxxxxxxxxxxx> wrote:

2) 6.2x10^18 V requires a special plug and a special set of cranes
to move it;

How big does this plug have to be?

Given that the breakdown voltage of dry air is 33 kV/cm,
you are talking about a plug that is 12.559 AU wide.
(an AU is the distance from the earth to the sun)

What if I want the flow of electricity to be only 1 electron wide?


Want in one hand, spit in the other and see which fills up first.
What you want has little effect on what happens.

Any power supply that attempts to produce a voltage that is over the breakdown voltage of air has some major design problems.

The voltage you cited is so extreme that, as you can see, it would require over 12 AU of separation between the positive and negative plates in order to prevent arc over.

One limits current flow by having a large enough resistance across the power supply so as to limit the current flow from the supply. As you can see, any voltage over 33kV will arc, in dry air at sea level, across a 1 cm gap. At that point, the power supply is feeding its current through a rather low resistance (ionized air). If the arc continues for long, the power supply terminals will vaporize and add to the current.

The highest energy electrons you are likely to be able to produce at low current flows would be those produced in natural beta radioactive decay.

Why in the universe did you want 6.2 x 10^18 volts, anyway?

Is there meant to be a correlation
with required field for Schwinger pair production?

European XFEL Project Team
XFEL
X-Ray Free-Electron Laser
is attempting in part to create particle pairs from photons.

An extremely high electric field
on the order of 1e17 volt/meter is required
(vacuum is assumed)
in the XFEL experimental setup
as discussed in:

http://arxiv.org/abs/hep-ph/0103185

There must be an easier way.

Richard Saam

.

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