| 摘要 |
A method for determining the absolute temperature TA of a measuring body (2) at the time t comprises using a reference body (1) whose thermal capacity c is known and which is arranged such that the heat transmission coefficient p between the reference body (1) and the measuring body (2) is known or can be determined. The method also comprises measuring the temperature difference (TA-TR) between said measuring body (2) and said reference body (1), and calculating the absolute temperature TA of said measuring body according to formula (I), in which <SIGN> is the absolute temperature of the measuring body at the time 0, V(t) is a physical parameter mathematically related to the measured temperature difference (TA-TR) and g is a function indicating the mathematical relation between V(t) and (TA-TR). A device for carrying the method into effect comprises means (3) for determining the temperature difference (TA-TR) and means (9) for calculating the absolute temperature TA of the measuring body at the time t according to the above formula. |
