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Miraculous Heat Engine: Water in Electric Field



 
 
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  #1  
Old August 29th 17, 12:31 PM posted to sci.astro
Pentcho Valev
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Default Miraculous Heat Engine: Water in Electric Field

The topic "Dielectrics in Capacitors" is traditionally taught without revealing any essential difference between solid and liquid dielectrics as they occupy the space between the plates of the capacitor:

Dielectrics in capacitors | Circuits | Physics | Khan Academy https://www.youtube.com/watch?v=rkntp3_cZl4

Yet a difference does exist, and it is extremely important. The solid dielectric, when placed between the plates of the capacitor, INCREASES the original attraction between the plates (it is now more difficult to pull them apart). In contrast, when the dielectric is liquid (water), a non-conservative force (pressure) emerges between the plates - it counteracts the original attraction so the latter DECREASES (it is now much easier to pull the plates apart):

"However, in experiments in which a capacitor is submerged in a dielectric liquid the force per unit area exerted by one plate on another is observed to decrease... [...] This apparent paradox can be explained by taking into account the difference in liquid pressure in the field filled space between the plates and the field free region outside the capacitor." http://farside.ph.utexas.edu/teachin...es/node46.html

The non-conservative force that is activated when water is placed in an electric field is, in my view, the key to understanding the evolution of matter on Earth. It can do work at the expense of heat absorbed from the surroundings, in violation of the second law of thermodynamics. Just two examples:

http://www.youtube.com/watch?v=T6KAH1JpdPg
"Liquid Dielectric Capacitor". The rising water can do useful work, e.g. by lifting some floating weight. Since, by switching the field on and off, the operator does no work on the system, the energy supplier can only be the ambient heat.

https://www.youtube.com/watch?v=17UD1goTFhQ
"The Formation of the Floating Water Bridge including electric breakdowns".. The vigorous cyclic motion is obviously able to produce work, e.g. by rotating a waterwheel.

Pentcho Valev
  #2  
Old August 30th 17, 12:14 AM posted to sci.astro
Pentcho Valev
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Posts: 8,078
Default Miraculous Heat Engine: Water in Electric Field

A non-conservative force (pressure) emerging when water is placed in an electric field:

http://electron6.phys.utk.edu/Physic...electrics.html
"A plane capacitor with rectangular plates is fixed in a vertical position.. [...] The capacitor is charged and disconnected from the battery. [...] The lower part of the capacitor is now brought into contact with a dielectric liquid:

http://electron6.phys.utk.edu/Physic...ges/Image4.gif

When the plates contact the liquid's surface, a force in the upward direction is exerted on the dielectric liquid. The total charge on each plate remains constant and there is no energy transferred to the system from outside.." [end of quotation]

The energy for the work done by the rising liquid (e.g. some floating object can be lifted) can only come from the ambient heat - there is no other "energy transferred to the system from outside".

The "floating water bridge" is essentially the same phenomenon - water absorbs heat from the surroundings and uses it to "climb out of the beakers":

"When exposed to a high-voltage electric field, water in two beakers climbs out of the beakers and crosses empty space to meet, forming the water bridge." https://phys.org/news/2007-09-bridge...h-voltage.html

The non-conservative force (pressure) that emerges in water in an electric field is perhaps fundamental for life on Earth so it makes sense to try to explain it in more detail.

When two opposite charges (or capacitor plates) are immersed in a dielectric liquid, e.g. water, some additional force (pressure) emerges between them, pushes them apart and so counteracts their electrostatic attraction:

http://farside.ph.utexas.edu/teachin...es/node46.html
"However, in experiments in which a capacitor is submerged in a dielectric liquid the force per unit area exerted by one plate on another is observed to decrease... [...] This apparent paradox can be explained by taking into account the difference in liquid pressure in the field filled space between the plates and the field free region outside the capacitor." x

http://www.amazon.com/Classical-Elec...iglink21401-20
Wolfgang K. H. Panofsky, Melba Phillips, Classical Electricity and Magnetism, pp.115-116: "Thus the decrease in force that is experienced between two charges when they are immersed in a dielectric liquid can be understood only by considering the effect of the PRESSURE OF THE LIQUID ON THE CHARGES themselves."

http://www.amazon.com/Introduction-T.../dp/0763738271
Tai Chow, Introduction to Electromagnetic Theory: A Modern Perspective, p. 267: "The strictly electric forces between charges on the conductors are not influenced by the presence of the dielectric medium. The medium is polarized, however, and the interaction of the electric field with the polarized medium results in an INCREASED FLUID PRESSURE ON THE CONDUCTORS that reduces the net forces acting on them."

There is a high pressure between the plates and a lower pressure outside the capacitor so if we punch a small hole in one of the plates, there will be ETERNAL FLOW through the hole, from inside (between the plates) to outside.. In other words, we will have a SYSTEM IN DYNAMIC EQUILIBRIUM. The eternal flow can be harnessed to do work, at the expense of heat absorbed from the surroundings (no electric energy is used) and therefore in violation of the second law of thermodynamics. The flows in the floating-water-bridge system are essentially analogous.

The capacitor-in-water system can violate the second law in a more traditional way. If the plates of the capacitor are vertical and only partially immersed, the pressure forces the liquid between the plates to rise above the surface of the pool:

http://www.academia.edu/25650739/Flu..._and_stability
I. Brevik, Fluids in electric and magnetic fields: Pressure variation and stability, Can. J . Phys. (1982): "Fig. 1. Two charged condenser plates partly immersed in a dielectric liquid. [...] Fig. 2. The hydrostatic pressure variation from point 1 to point 5 in Fig. 1."

https://www.youtube.com/watch?v=aHNwvfXUYb4
Rise in Liquid Level Between Plates of a Capacitor

http://www.youtube.com/watch?v=T6KAH1JpdPg
Liquid Dielectric Capacitor

https://www.youtube.com/watch?v=ACDxurDAmyg
Chapter 11.6.2: Force on a liquid dielectric

The rising dielectric liquid can do useful work, e.g. by lifting some floating weight. Since, by switching the field on and off, we do no work on the system, the energy supplier can only be the ambient heat. That is, the system can cyclically lift floating weights at the expense of heat absorbed from the surroundings, in violation of the second law of thermodynamics.

What is the molecular mechanism behind the effect? Here is a schematic presentation of water dipoles in the electrical field:

http://www.gsjournal.net/old/valev/val2.gif

If it were not for the indicated (with an arrow) dipole, other dipoles in the picture are perfectly polarized as if there were no thermal motion. Of course, this is an oversimplification – thermal motion is a factor which constantly disturbs the polarization order. However the crucial point is that, as can be inferred from the picture, any thermal disturbance contributes to the creation of a pressure between the plates. Consider the indicated dipole. It has just received a strong thermal stroke and undergone rotation. As a result, it pushes adjacent dipoles electrostatically, towards the plates. Macroscopically, the sum of all such disturbances is expressed as a pressure exerted on the plates. One can also say, somewhat roughly, that the indicated dipole has absorbed heat and now, by pushing adjacent dipoles, is trying to convert it into work.

This article is extremely instructive, both for what it says explicitly and for what it only implies:

https://www.wetsus.nl/home/wetsus-ne...n-innovation/1
"The water movement is bidirectional, i.e., it simultaneously flows in both directions... [...] There is practically nothing ordinary about the water in an active floating bridge, and this is no esoteric experiment, as the strength and shape of the electric field we apply in the water bridge is nearly ubiquitous throughout nature. It turns out that if we examine the electric fields present in nature, such as those in living cells, around soil particles, or in clouds, we find that the field strengths are on the same order of magnitude - megavolts per meter. Which incidentally is the same in the water bridge, not to mention inside many electrochemical and biochemical fuel cells that are now being used to develop the next generation of resource recovery technologies. Megavolts per meter seems to be this kind of universal constant of field strength in aqueous systems. It's such an enticing observation that, during my defense, one of my opponents made a point to ask whether I thought this was just a coincidence or indicated some deeper truth that we are as yet unaware. Of course I had to answer the latter, as I am a firm believer that nature is quite deliberate in its construction and there are really no accidents. [...] The floating water bridge is a long-lost piece of the puzzle in understanding why water is such an unusual substance. What we had missed was that, in liquids there exists an intrinsic disequilibrium which continuously drives the system around within a big basin of possible configurations; and water is again exceptional. When we apply the electric field, we perturb the dynamics and change the shape of the attractor basin. This in turn changes the flow of energy through the system and may even liberate stored energy that is inaccessible when the liquid is in the ground state."

Note that some "stored energy" was "inaccessible" and is now "liberated". This "stored energy" is AMBIENT HEAT. We have a fundamental mechanism of utilization of ambient heat (no need for a temperature gradient) that has remained hidden for too long, thanks to the inclination of mankind to blind itself by imposing false restrictive principles - in this case the second law of thermodynamics. In an electric field, water is capable of undergoing cyclical motion and the energy source behind this is heat absorbed from the surroundings. The absorbed heat eventually returns to the surroundings, due to friction. However the cyclical motion can be harnessed - then heat absorbed from the surroundings will be converted into work, in violation of the second law of thermodynamics.

Pentcho Valev
  #3  
Old August 30th 17, 12:38 PM posted to sci.astro
Pentcho Valev
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Posts: 8,078
Default Miraculous Heat Engine: Water in Electric Field

Isothermal heat engines violating the second law of thermodynamics obey two principles: The work-producing force is activated and deactivated without recourse to heating and cooling, and activation and deactivation do not involve net work done on the system:

Liquid Dielectric Capacitor http://www.youtube.com/watch?v=T6KAH1JpdPg

Another example. By regularly changing the pH of the system, the operator activates and deactivates a non-conservative "elastic" force and so is able to extract unlimited amount of work from pH-sensitive polymers:

http://www.researchgate.net/profile/...se-network.png

http://www.gsjournal.net/old/valev/val3.gif

http://www.ncbi.nlm.nih.gov/pmc/arti...00645-0017.pdf
A. KATCHALSKY, POLYELECTROLYTES AND THEIR BIOLOGICAL INTERACTIONS, p. 15, Figure 4: "Polyacid gel in sodium hydroxide solution: expanded. Polyacid gel in acid solution: contracted; weight is lifted."

http://www.google.com/patents/US5520672
"When the pH is lowered (that is, on raising the chemical potential, μ, of the protons present) at the isothermal condition of 37°C, these matrices can exert forces, f, sufficient to lift weights that are a thousand times their dry weight."

The second law of thermodynamics is violated unless the following is the case:

The operator, as he decreases and then increases the pH of the system, does (loses; wastes) more work than the work he gains from weight-lifting.

However electrochemists know that, if both adding hydrogen ions to the system and then removing them are performed quasi-statically, the net work involved is virtually zero (the operator gains work if the hydrogen ions are transported from a high to a low concentration and then loses the same amount of work in the backward transport).

Pentcho Valev
 




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