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  2. SAE J2954 - Wikipedia

    en.wikipedia.org/wiki/SAE_J2954

    SAE J2954 is a standard for wireless power transfer (WPT) for electric vehicles led by SAE International. It defines three classes of charging speed, WPT 1, 2 and 3, at a maximum of 3.7 kW, 7.7 kW and 11 kW, respectively. This makes it comparable to medium-speed wired charging standards like the common SAE J1772 system.

  3. Energy transfer upconversion - Wikipedia

    en.wikipedia.org/wiki/Energy_transfer_upconversion

    Energy Transfer Upconversion or ETU is a physical principle (most commonly encountered in solid-state laser physics) that involves the excitation of a laser-active ion to a level above that which would be achieved by simple absorption of a pump photon, the required additional energy being transferred from another laser-active ion undergoing nonradiative deexcitation.

  4. Surface energy transfer - Wikipedia

    en.wikipedia.org/wiki/Surface_energy_transfer

    The SET rate follows the inverse of the fourth power of the distance [2] = where ⁠ ⁠ is the donor emission lifetime; ⁠ ⁠ is the distance between donor-acceptor; ⁠ ⁠ is the distance at which SET efficiency decreases to 50% (i.e., equal probability of energy transfer and spontaneous emission).

  5. Tesla coil - Wikipedia

    en.wikipedia.org/wiki/Tesla_coil

    The greater the magnetic coupling between windings, the shorter the time required to complete the energy transfer. As energy builds within the oscillating secondary circuit, the amplitude of the toroid's RF voltage rapidly increases, and the air surrounding the toroid begins to undergo dielectric breakdown , forming a corona discharge.

  6. Energy transformation - Wikipedia

    en.wikipedia.org/wiki/Energy_transformation

    Fire is an example of energy transformation Energy transformation using Energy Systems Language. Energy transformation, also known as energy conversion, is the process of changing energy from one form to another. [1] In physics, energy is a quantity that provides the capacity to perform work or moving (e.g. lifting an object) or provides heat.

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  8. Kirlian photography - Wikipedia

    en.wikipedia.org/wiki/Kirlian_photography

    Kirlian photograph of two coins. Kirlian photography is a collection of photographic techniques used to capture the phenomenon of electrical coronal discharges.It is named after Soviet scientist Semyon Kirlian, who, in 1939, accidentally discovered that if an object on a photographic plate is connected to a high-voltage source, an image is produced on the photographic plate. [1]

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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