cavitation

Expansions are retarded explosive effects in the realm of basic substances, in which decentrating (expanding) reactive effects of a subordinate order are freed.

Impansions are slow processes of densation, which for example, can be exploited in so-called chillers or refrigerating machines and are to be viewed as normal de-stressing processes.

Explosion is chemical reaction that takes place extremely rapidly, in which a large increase in pressure occurs due to large quantities of hot gases. Explosions are always innately destructive. They therefore function in a life-harming way.

                                  CAVITATION

There are four basic types of cavitation. Fundamentally cavitation results
from a drop in pressure on a liquid creates pockets or bubbles in the liquid -
an increase in pressure causes these bubbles to collapse resulting in a
tremendous "local" force which can cause damage to metals, emulsification, de-
gasification, sonoluminescence and many other strange and wonderous phenomena.

Bubble, Bubble, Toil and Trouble

                      The most important discovery in Hydraulics in the last 100 years, since the observation of Cavitation is: The Elimination of Cavitation!

--------- Forwarded message ----------
From: Esa Ruoho <esaruoho @ g m a i l .com>
Date: 22-Mar-2007 14:14
Subject: sonofusion according to wikipedia (jumble of pages slapped together)
To: [email protected]

ok
wikipedia likes to call sonofusion "bubble fusion" too (see end of message)
acoustic cavitation they want to call sonic cavitation.

so according to this Sonofusion is a common name for nuclear fusion, occurring during sonoluminescence, which is an extreme form of acoustic cavitation. acoustic cavitation occurs when ultrasound-waves are passed through a liquid, which causes the formation of bubbles, which is known as cavitation.
because a sound-wave periodically compresses/decompresses (NOTE! inhale-exhale) a liquid, cavitation can be produced in the low-pressure part of the cycle, when the sound intensity is enough.

WikiPedia when talking about cavitation, mentions impellers, but does in no way explain whether there is a connection between the rotational frequency of the impeller, the shape of it, and cavitation occurring. however, it has been suggested in books by Callum Coats, that cavitation is a intense reaction caused in pressure-based propellers or impellers, and this is because of the poor movement of this shape. that this causes the impellers+propellers damage!

wikipedia also speaks of non-inertial cavitation, where a bubble in a fluid is forced to _oscillate_ in size/shape due to an acoustic field. this is used in ultrasonic cleaning of baths.

Sonoluminescence: "the emission of short bursts of light from imploding bubbles in a liquid when excited by sound."

Dale Pond equates "Implosion" "Water-hammer effect" and "Cavitation" as being the same thing, which keely and schauberger and were working towards.

He speaks of it in these two videos:
http://video.google.com/videoplay?docid=9125003792513982191

http://video.google.com/videoplay?docid=-5430570751600484561

Excerpt of Dale Pond speaking about John Ernst Worrell Keely on a free-energy-compilation- documentary.

dale pond - john worrell keely - water hammer - cavitation - implosion

Dr Youds thanks the following for their comments on his paper:
'... Will read with interest ..." - Bruce Cathie, Author. See 'Harmonic Conquest of Space' at Amazon.co.uk
" I found the paper most fascinating..." - Larry Canada.

read this book. i should re-read it immediately.

it mentions Stephan Riess. Using this book, and Alick Bartholomew's Hidden Nature, and Living Energies by Callum Coats - you will be able to form a fuller image of what Stephan Riess achieved by drilling deep into rock fissures -- deep in the mountains there is always fresh potable water to be had, even in the desert, if you go down deep enough, you will find fresh, cold, potable drinkable water. The Stephan Riess method should be revived immediately.

http://news.com.com/Turning+natures+design+into+scientific+breakthrough/2100-1008_3-6044461.html

When Jay Harman was a skinny 10-year-old swimming off the coral reefs of Australia's western coast, he had an insight that 37 years later would lead him to invent an industrial design that could change personal computing, aeronautics and how drinking water is purified.

As a nature-loving boy, the young Australian just wanted to swim faster, so he watched how fish moved through water and how seaweed undulated against the reef when a wave crashed.

The shape he noticed that day was a simple curve that fluidly formed into a spiral. From then on, Harman would see spirals as a common design in nature--in pinecones, whirlpools, a puff of smoke.

Jay Harman

Now he believes spirals are a key to making a wide array of machines more energy-efficient. Through his 9-year-old company, Pax Scientific, he's trying to bring that natural form into the technological world. So far, he's invented industrial designs for fans, pumps and propellors that mimic the geometries of spiraling whirlpools. Experts believe these designs can reduce friction, wasted energy, noise and unwanted heat.