you'd need an awefully large piezo sheet/drumskin to resonate at 8Hz, and i'm guessing the energy of that ambient infrasound rumble you try to tap into is so low that in most settings you'd be a lot better off by just using a solar panel of the same size.
brian carroll <[email protected]> wrote: >okay, so the big surprise for me was that this piezo film >technology lines up directly with an energy harvesting >article from a recent (urls) list. excerpted again below: >--------------------------------------------------------------------------- > >// contact electrification using patterned nanomaterials... >// note: the gap, equilbrium via chargeflow, as if via entropy. >// discovery originating from malfunctioning piezo-sensor... > >Capturing wasted electricity with triboelectric generators >http://phys.org/news/2013-12-capturing-electricity-triboelectric.html > >[quote] "Beyond generating power, the technology could also provide a >new type of self-powered sensor, allowing detection of vibrations, >motion, water leaks, explosions – or even rain falling." ... "They >have learned to increase the {power output density by a factor of >100,000} by applying micron-scale patterns to the polymer sheets. The >patterning effectively increases the contact area and thereby >increases the effectiveness of the charge transfer." [unquote] > >--------------------------------------------------------------------------- > >from what i have read about PVDF, it would seem possible >that a similar nanopatterning could be etched onto the piezo >film surface that is bending or strained, and via this more >intense grid or array it may be possible to likewise up the >capacitance or charge that can be held and stored within >piezo film, (patterns like a step-up-transformer perhaps), >based on the above, if indeed a non-piezo film investigation. > >the characteristics appear identical: LEDs need enough >voltage to light, and a constant current to maintain lit, and >thus the high voltage of material difference or 'gap' in the >original news story (linked above) indicates that a high >voltage is _momentarily transferred that is enough to >light up an array of LEDs, though only for an instant. >and this becomes an application for energy harvesting. > >so it should be notable if the PVDF film also shares these >properties, that it generates a high voltage that can be sent >into a circuit, though likewise it is a momentary not constant >charge and thus particular circuits would need to be designed >to allow it to function as a source of energy for a self-sustaining >circuit (energy harvesting) rather than just pushing out current, >unless somehow it was possible to get it moving in that way... > >i.e. constant vibration -> high voltage -> constant AC current > >(these observations from someone who knows nothing about >these things, beyond trying to understand the fundamentals >of basic electronics components and their functioning. yet >enough to ask questions and make a few assumptions...) > >so it appears to be an issue of a trickle-charge circuit, that >the PVDF film would vibrate and offload that current into a >another capacitor where it could be stored until a usable >amount and then accessed for low-power functionality of >some super-efficient circuit design, PVDF the powersource. > >so for this trickle charge circuit, it is imagined: > > PVDF film --> diode --> supercapacitor --> "circuit" > >whereby 'vibrational energy' is powering the overall circuit, >which in crypto or security terms could be sensing-related >or monitoring or sniffing data via low-power and stealth, etc. >or perhaps even transmitting information or code or relaying >or capturing infrasound data, where vibration both provides >power to the circuit and information (high metaphysics) > >from what i have read, the current is AC from the piezo film, >and then another capacitor would turn it into DC if this is not >mistaken, for use in such a circuit- this only an approximation >of what the most basic issues might involve, if also incorrect >though i figure many here have the information and knowledge >to resolve such issues if inquiring further, thus; 'about ideas' > > >so at this stage, as with everything: things start to get weird... > >perhaps it is because of my lack of knowledge or involves some >basic misunderstanding that i am simply incapable of realizing; >though this little electronic component is essentially some kind >of strange antenna device, and if it can be made to vibrate then >it generates power; so if it constantly vibrates, it constantly is >able to generate current and thus replaces a battery in a circuit > >so to get usable current, the key is to either trickle charge and >build up and store energy over time, to a point that it can be >used at normal levels, or to generate a frenzy of energy via >constant activity that strains the PVDF film, creating a flow >of alternating current that can be immediately turned to DC >as powersource, and thus 'live power' vs. a delayed approach > >(maybe oversimplifying or confusing the electronics issues >or paradigms involved, though this is how i am relating to it) > >why does it matter? > >well, from what i understand after listening to my friend who >is a composer, making a film on a Nikola Tesla, whose studies >and research focuses on 'music as an energy system', [0] [1] >also in relation to my own investigations of logic (A=A) as this >relates to her study of tuning systems and "resonance-based >energy transfer" (somewhat in the range of wireless power, yet >non-electromagnetic, involving vibrations, not moving of charge)- > >if there were a vibration that existed that could be tapped into >by this PVDF piezo film -as antenna- and it could be made to >vibrate constantly, then *bingo* -- it is access to free-energy > >and i am only thinking these specific thoughts because of hh, >and would be nowhere in this vicinity with my own investigations >which tend more towards the HIOX model though interest of this >realm of electronics is extreme at the same time as my illiteracy >and incapacity, thus words must substitute for actual experiment. > >and so piecing it together- under such guidance, it is verified by >others who are expert that this constant vibration exists within >the environment already, today, now, and for billions of years >presumably. it was investigated by Nikola Tesla, where the >area between the ground of earth and the dome of sky in its >upper atmosphere create a waveguide or sorts, known as >the "Earth-ionosphere cavity" [2], which in turn generates a >vibrational frequency known as the Schumann Resonance [3] >that provides a source of constant vibration at 7.83 Hz resulting >from lightning strikes in the atmosphere which then creates this >giant battery in the sky, that in turn could be tapped into, both >in non-electromagnetic terms, via vibration, and likely as with >lightning, electromagnetic terms, as a source of power. > >so it cannot be this easy, right. gotta be missing something. >and if i could design the circuit and figure it, i would know, and >yet i cannot and so share my puzzlement, inquiring: why not? >what am i missing, what do i fail to understand of the situation? > > >in other words, if you can get the PVDF film vibrating by tuning >into the 7.83 Hz frequency of the Schumann Resonance, you >would have access a local instance of perpetual motion, as long >as the dynamics retain the existing characteristics, indefinitely > >continued... > > >0. helen hall - composer, filmmaker >http://www.helenhall.net > >1. Pictures of Infinity -- film about Tesla & aether >http://picturesofinfinity.net/ > >2. Earth-ionosphere cavity (diagrams) >http://www.glcoherence.org/templates/gcp/images/monitoring_system/earth_rhythms/diagram_schumann_resonances_ionosphere_cavity.jpg >http://www.vlf.it/Schumann/cavity.gif > >3. Schumann resonances >http://en.wikipedia.org/wiki/Schumann_resonances > > >oratorio, amaryllis, Teller -- Sent from my Android device with K-9 Mail. Please excuse my brevity.
