Temperature ? Sure that people use almost daily as a matter needless to say, without being made aware of the physical correlations. But how may be the term temperature defined?
Everybody perceives temperature in their environment purely subjectively. If we are too warm or too cold, it is just a feeling, which may be different from individual to individual ? because not everyone gets cold at exactly the same speed. No Strings Attached ? or, better, the problem, that influences (among other things) our state of mind ? is discussed daily whenever we are discussing the expected temperature from the weather forecast with friends, acquaintances or colleagues.
Temperature
With the term temperature (from the Greek ?thermis? = warm), a particular thermal state of a body is described. Heat is really a measure of the energy of a body, that is generated by the random motion of its atoms or molecules in the body?s interior. Here, the temperature is the magnitude of circumstances which establishes the energy content associated with other physical quantities (mass, heat capacity).
Temperature unit
The machine of temperature is the Kelvin. At a temperature of 0 K, all atoms or molecules within a body are in rest ? Impatience within the body is frozen. One describes this state as the absolute zero point. The Celsius temperature scale that is more common in our latitudes defines the zero point as the freezing point of water, since this condition could possibly be reproduced without great technical effort in past times.
Temperature measurement
Different physical properties are directly influenced by the temperature and therefore are used for temperature measurement, such as for example, for example:
the dependence of expansion on temperature
the change in electrical resistance with temperature
voltage generation depending on the temperature
temperature-dependent frequency fluctuations
changes in the wavelength of the radiation of a body, with respect to the temperature
Note
Home elevators our temperature measuring instruments can be found on the WIKA Website.