The fundamental temperature scale with its zero at absolute zero and expressed in degrees Kelvin. One degree Kelvin is equal to one degree Celsius or one degree Centigrade. For the purpose of practical calculations in order to convert Celsius to Kelvin add 273. It is normal for the degree Kelvin to be abbreviated in mathematical formulae to ‘K’ with the degree symbol being omitted.



Related Terms

CELSIUS TEMPERATURE SCALE

Temperature scale of 0o (freezing water) to 100o (boiling water). Celsius = (Fahrenheit - 32) x 5/9.

CELSIUS

A temperature scale with gradients between the freezing and boiling points of water are divided into 100 equal parts.

CURLE SCALE OF TEMPERATURE

A temperature scale based on the susceptibility of a paramagnetic substance, assuming that it obeys Curie's law; used at temperatures below about 1 kelvin.

ABSOLUTE TEMPERATURE SCALE

A scale of temperature measurement in which zero degrees is absolute zero.

KELVIN TEMPERATURE

Temperature based upon a thermodynamic scale with its zero point at absolute zer

CARGO PRESSURE RELIEVING SYSTEM

A system CONSISTing OF 1 OR MORE RELIEF VALVES SET AT A PRESSURE CORRESPONDING TO THE GAUGE PRESS OF CARGO AT REFERENCE TEMPerature AS DEFINED ABOVE AN OVERRIDE ARRANGEMENT, WHENEVER NECESSARY, TO PREVENT ITS NORMAL OPERATION. ARRANGEMNT INCLUDES FUSIBLE ELEMENT DESIGNED TO MELT BETween 98 AND 104°C AND CAUSE RELIEF VALVES AS SPEC IN 1 TO BECOME OPERABLE, LOCATED IN VICINITY OF RELIEF VALVES. THE SYSTEM BECOME OPERABLE EVEN IF: LOSS OF POWER, NOT DEPENDENT ON ANY SOURCE OF SHIP’S POWER.

FAHRENHEIT TEMPERATURE

Temperature based on a scale in which, under standard atmospheric pressure

ABSOLUTE ZERO

The temperature at which the volume of a gas theoretically becomes zero and all thermal motion ceases. It is generally accepted as being -273.16°C.

RAMP RATE

Ramp rate is used in bringing a turbine up to operating temperature and is the degrees Celsius rise per hour that metal surfaces are exposed to when bringing a machine to rated conditions. Manufacturers specify ramp rates or their machines in order to avoid thermal stresses. Thermocouples are used in measuring metal temperatures.

ABSOLUTE ZERO TEMPERATURE

Temperature measured from absolute zero (-459.67°F, or -273.16°C).

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