FIELD: measurement equipment.
SUBSTANCE: determination, using a meter, of heat conductivity of equivalent coefficient of heat conductivity of a flat three-layer sample of square cross section, consisting of two identical heat-conductive reference standards of available thickness with available coefficient of heat conductivity of material and layer of fluid heat insulation of available thickness arranged between reference standards. Using available values of heat conductivity coefficients of the flat three-layer sample and heat conductive reference standards, thicknesses of separate layers of the flat three-layer sample (reference standards and liquid heat insulation) they calculate using a special calculation formula the coefficient of heat conductivity of liquid heat insulation.
EFFECT: increased accuracy of determination of liquid heat insulation heat conductivity coefficient under laboratory conditions.
1 dwg
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