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Kelvin scale

1

Terminological databases

Materjalitehnika terminibaas

ID 1140743 Last modified 01.07.2026
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Domain materials sciencePhysics
  • termodünaamilise temperatuuri skaala, mille nullpunktiks on absoluutne null (vt absoluutne null; compare: Celsiuse skaala)
    Good to know
    • Vastab vee kolmikpunkti temperatuurile, milleks on 272,16 K, st vee külmumistemperatuurile (0 oC) vastab 273,16 K. Ühikuks on kelvin, K.
  • a scale of temperature based on the termodynamic principle of the performance of a reversible heat engine (see: absolute zero; compare: Celsius scale)
    Good to know
    • The temperature of the triple point of water is assigned the value 273,16 K; the temperature interval corresponds to that of Celsius scale so that freezing point of water (0 oC) is 273,16 K. The unit is kelvin, K.
Kelvini skaala preferred

Metroloogia terminibaas

ID 574123 Last modified 14.09.2024
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Domain Standardisation - Metrologymeasuring procedures
  • temperatuuri skaala, kus nullpunkt on määratletud absoluutse nulltemperatuuriga, mille korral molekulide soojusliikumine katkeb
  • skaala, mille alguseks on võetud absoluutne nullpunkt -273,15°C ning vee kolmikpunkt (kus jää, vesi ja veeaur on omavahel tasakaalus), mille temperatuur on 273,16 K
    Good to know
    • Selle skaala põhiühik on kelvin K, mis võrdub 1/273,16 osaga vee kolmikpunkti termodünaamilisest temperatuurist.
  • thermometric scale on which a reading of zero coincides with the theoretical absolute zero of temperature, i.e., thermodynamic equilibrium state of minimum energy
  • quantity-value scale defining a zero value of thermodynamic temperature by linear extrapolation based on the thermodynamic behaviour of an ideal gas and the triple point of water at 273,16 K
absoluutne termodünaamiline temperatuuriskaala preferred
Usage examples
  • Absoluutne termodünaamiline temperatuuriskaala algab kõige külmemast võimalikust temperatuurist, absoluutsest nullist, 0 K või -273,15 °C, seejärel tõuseb täpselt 1 K iga 1 °C kohta.
absolute thermodynamic scale preferred
Usage examples
  • The absolute temperature scale that starts from the coldest possible temperature, absolute zero, 0 K or -273.15 °C, then rises by exactly 1 K for each 1 °C.
absolute temperature scale

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