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Originally posted by JenkoRun
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"The point I doubt is that stress alone in a ferromagnetic material causes a change in a magnetic field."
You may have misunderstood what my point was, I did not say it changes a magnetic field, I said it causes a changing magnetic field. I never said nor implied that my point was on an already existing magnetic field present external to the core prior to kinetic stress being applied to it.
"Resonance or thumping (impact) is no way to insure stress alone occurs without displacement or deformation."
Get any solid material (such as wood), put your hand on one side and strike the other side, you will feel a vibration reach your hand from the other side of the material. The process of the vibration travelling through the material momentarily induces stress on the structure as the disturbance propagates through it.
Strike that material hard and fast enough and it will oscillate for a brief moment until it returns to equilibrium, this can be more clearly seen in examples such as a vibrating string: https://www.youtube.com/watch?v=_X72on6CSL0
"Also can you explain the relevance of stress to Rakarskiy's theory or post? "
In his writings Rakarskiy claims that the magnetic field of the transformer core cannot induce the secondary windings:
"Another point is that if an air gap is applied in the core, but the magnetic induction parameter in the core will decrease sharply, the current parameter in the primary winding will increase and, accordingly, the current in the secondary winding will also increase. This is a direct proof that the magnetic flux of the core cannot form an emf in the secondary winding."
when I asked him to explain what I saw and my own experiences with my contact that do not comply with this claim he did not provide an explanation for the observed phenomena of the experiments, and just listed of reasons and math on why it is as he claims, I do not consider that as a valid explanation and even less so to dismiss what I have observed and am still waiting for an explanation that does not depend on math.
Math is a descriptive tool and descriptions are not explanations, as it stand now I do not believe Rakarskiy is correct on this matter.
"I'm just disappointed you have no real substance other some fool's video and hearsay from your friend."
hearsay
noun
Nor am I inclined to follow hearsay of believing others to be fools because someone else said so, that only invites a close minded perspective to ignore experimental data, ones reputation will never change basic experimental phenomena that can be recreated and tested personally, especially one of such simplicity.
Get a soft iron core, wrap a few dozen turns or more of insulated copper wire around it, connect an oscilloscope to the wires, take a metal object like a bar or something and strike the core, monitor the scope readings. Consider putting some padding between the core and bar to reduce impact damage.
"So I asked chatGPT."
ChatGPT should only be used as a light aid tool, I would never rely on it for accurate information.
You may have misunderstood what my point was, I did not say it changes a magnetic field, I said it causes a changing magnetic field. I never said nor implied that my point was on an already existing magnetic field present external to the core prior to kinetic stress being applied to it.
"Resonance or thumping (impact) is no way to insure stress alone occurs without displacement or deformation."
Get any solid material (such as wood), put your hand on one side and strike the other side, you will feel a vibration reach your hand from the other side of the material. The process of the vibration travelling through the material momentarily induces stress on the structure as the disturbance propagates through it.
Strike that material hard and fast enough and it will oscillate for a brief moment until it returns to equilibrium, this can be more clearly seen in examples such as a vibrating string: https://www.youtube.com/watch?v=_X72on6CSL0
"Also can you explain the relevance of stress to Rakarskiy's theory or post? "
In his writings Rakarskiy claims that the magnetic field of the transformer core cannot induce the secondary windings:
"Another point is that if an air gap is applied in the core, but the magnetic induction parameter in the core will decrease sharply, the current parameter in the primary winding will increase and, accordingly, the current in the secondary winding will also increase. This is a direct proof that the magnetic flux of the core cannot form an emf in the secondary winding."
when I asked him to explain what I saw and my own experiences with my contact that do not comply with this claim he did not provide an explanation for the observed phenomena of the experiments, and just listed of reasons and math on why it is as he claims, I do not consider that as a valid explanation and even less so to dismiss what I have observed and am still waiting for an explanation that does not depend on math.
Math is a descriptive tool and descriptions are not explanations, as it stand now I do not believe Rakarskiy is correct on this matter.
"I'm just disappointed you have no real substance other some fool's video and hearsay from your friend."
hearsay
noun
- information received from other people which cannot be substantiated; rumour.
"according to hearsay, Bez had managed to break his arm"
Nor am I inclined to follow hearsay of believing others to be fools because someone else said so, that only invites a close minded perspective to ignore experimental data, ones reputation will never change basic experimental phenomena that can be recreated and tested personally, especially one of such simplicity.
Get a soft iron core, wrap a few dozen turns or more of insulated copper wire around it, connect an oscilloscope to the wires, take a metal object like a bar or something and strike the core, monitor the scope readings. Consider putting some padding between the core and bar to reduce impact damage.
"So I asked chatGPT."
ChatGPT should only be used as a light aid tool, I would never rely on it for accurate information.
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