FIELD: measuring engineering.
SUBSTANCE: method comprises setting heating and non-heating thermistors of meters for measuring temperature profile, determining current temperature profiles, calculating current profile of heat exchange coefficients of the thermistors from the formula 
where P(z,t) is the current power of heating of the thermistor at point z; m, c, and S are the parameters of the meters for measuring temperature profiles (m is the mass per unit length, c is the heat capacity, and S is the area of the outer side); 
is the current profile of temperature of the heating thermistor; 
is the current temperature profile of the non-heating thermistor, and calculating the current profile of the spatial gradient of the heat exchange coefficient 
. The location of extremums zm at the profile is assumed to be the location of the interface.
EFFECT: enhanced accuracy of locating and expanded functional capabilities.
9 dwg
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