RU93014384A - METHOD FOR DETERMINING HEAT CONDUCTIVITY AND TEMPERATURE CONDUCTIVITY OF SOLID MATERIAL DEPENDING ON TEMPERATURE - Google Patents

METHOD FOR DETERMINING HEAT CONDUCTIVITY AND TEMPERATURE CONDUCTIVITY OF SOLID MATERIAL DEPENDING ON TEMPERATURE

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Publication number
RU93014384A
RU93014384A RU93014384/25A RU93014384A RU93014384A RU 93014384 A RU93014384 A RU 93014384A RU 93014384/25 A RU93014384/25 A RU 93014384/25A RU 93014384 A RU93014384 A RU 93014384A RU 93014384 A RU93014384 A RU 93014384A
Authority
RU
Russia
Prior art keywords
temperature
conductivity
solid material
material depending
determining heat
Prior art date
Application number
RU93014384/25A
Other languages
Russian (ru)
Inventor
Г.Е. Первушин
А.И. Майоров
Original Assignee
Центральный аэрогидродинамический институт им.проф.Н.Е.Жуковского
Filing date
Publication date
Application filed by Центральный аэрогидродинамический институт им.проф.Н.Е.Жуковского filed Critical Центральный аэрогидродинамический институт им.проф.Н.Е.Жуковского
Publication of RU93014384A publication Critical patent/RU93014384A/en

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Claims (1)

Способ относится к тепловым испытаниям, в частности к исследованиям теплофизических свойств материалов. Изобретение обеспечивает повышение точности измерения. Способ определения теплопроводности и температуропроводности твердых материалов в зависимости от температуры заключается в том, что исследуемый образец в виде пластины с датчиком температуры нагревают до заданной температуры в термостате, затем перегревают датчик импульсом тока на 3 - 10°, измеряют моменты достижения двух последовательных температур за время одного импульса, затем устанавливают в термостате другую температуру и повторяют все операции над образцом. Теплопроводность и температуропроводность определяют расчетным путем.The method relates to thermal testing, in particular to the study of thermophysical properties of materials. The invention provides improved measurement accuracy. The method of determining the thermal conductivity and thermal diffusivity of solid materials depending on the temperature is that the test sample in the form of a plate with a temperature sensor is heated to a predetermined temperature in a thermostat, then the sensor is overheated by a current pulse of 3 - 10 °, the moments of reaching two successive temperatures in one pulse, then set another temperature in the thermostat and repeat all the operations on the sample. Thermal conductivity and thermal diffusivity is determined by calculation.
RU93014384/25A 1993-03-19 METHOD FOR DETERMINING HEAT CONDUCTIVITY AND TEMPERATURE CONDUCTIVITY OF SOLID MATERIAL DEPENDING ON TEMPERATURE RU93014384A (en)

Publications (1)

Publication Number Publication Date
RU93014384A true RU93014384A (en) 1995-09-20

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