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  2. Kelvin's circulation theorem - Wikipedia

    en.wikipedia.org/wiki/Kelvin's_circulation_theorem

    In fluid mechanics, Kelvin's circulation theorem (named after William Thomson, 1st Baron Kelvin who published it in 1869) states: [1][2] In a barotropic, ideal fluid with conservative body forces, the circulation around a closed curve (which encloses the same fluid elements) moving with the fluid remains constant with time. Stated mathematically:

  3. Conversion of scales of temperature - Wikipedia

    en.wikipedia.org/wiki/Conversion_of_scales_of...

    Comparison of temperature scales. * Normal human body temperature is 36.8 °C ±0.7 °C, or 98.2 °F ±1.3 °F. The commonly given value 98.6 °F is simply the exact conversion of the nineteenth-century German standard of 37 °C. Since it does not list an acceptable range, it could therefore be said to have excess (invalid) precision.

  4. Correlated color temperature - Wikipedia

    en.wikipedia.org/wiki/Correlated_color_temperature

    The ideal correlated colour temperature of a light source is the absolute temperature at which the Planckian radiator emits radiant energy component to evoke a colour which, of all Planckian colours, most closely approximates the colour evoked by the source in question. from Research Paper 365. ^ abJudd, Deane B. (1931).

  5. File:Kelvin Temperature Chart.svg - Wikipedia

    en.wikipedia.org/wiki/File:Kelvin_Temperature...

    File:Kelvin Temperature Chart.svg. Size of this PNG preview of this SVG file: 800 × 354 pixels. Other resolutions: 320 × 142 pixels | 640 × 283 pixels | 1,024 × 453 pixels | 1,280 × 567 pixels | 2,560 × 1,133 pixels | 1,324 × 586 pixels. This is a file from the Wikimedia Commons. Information from its description page there is shown below.

  6. Kelvin - Wikipedia

    en.wikipedia.org/wiki/Kelvin

    The 19th century British scientist Lord Kelvin first developed and proposed the scale. [5] It was often called the "absolute Celsius" scale in the early 20th century. [6] The kelvin was formally added to the International System of Units in 1954, defining 273.16 K to be the triple point of water.

  7. Thermodynamic temperature - Wikipedia

    en.wikipedia.org/wiki/Thermodynamic_temperature

    Thermodynamic temperature is a quantity defined in thermodynamics as distinct from kinetic theory or statistical mechanics.. Historically, thermodynamic temperature was defined by Lord Kelvin in terms of a macroscopic relation between thermodynamic work and heat transfer as defined in thermodynamics, but the kelvin was redefined by international agreement in 2019 in terms of phenomena that are ...

  8. Kelvin wave - Wikipedia

    en.wikipedia.org/wiki/Kelvin_wave

    A Kelvin wave is a wave in the ocean, a large lake or the atmosphere that balances the Earth's Coriolis force against a topographic boundary such as a coastline, or a waveguide such as the equator. A feature of a Kelvin wave is that it is non-dispersive, i.e., the phase speed of the wave crests is equal to the group speed of the wave energy for ...

  9. Kelvin equation - Wikipedia

    en.wikipedia.org/wiki/Kelvin_equation

    The original form of the Kelvin equation, published in 1871, is: [1] where: = vapor pressure at a curved interface of radius. = vapor pressure at flat interface ( ) =. = surface tension. = density of vapor. = density of liquid. , = radii of curvature along the principal sections of the curved interface. This may be written in the following form ...

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