ТЕРМОЭЛЕКТРИЧЕКИЙ КОНТРОЛЬ ТЕПЛОВОГО СОПРОТИВЛЕНИЯ СИСТЕМЫ КОРПУС-ТЕРМОИНТЕРФЕЙС-РАДИАТОР
DOI:
https://doi.org/10.31489/2023No3/52-61Ключевые слова:
термоинтерфейс, тепловое сопротивление, термоЭДС, эффект Зеебека, термоэлектрический контрольАннотация
В статье предложено применять способ термоэлектрического контроля для определения теплофизических параметров термоинтерфейса. Термоинтерфейс расположен между металлическими поверхностями, между которыми при нагреве возникает термоЭДС, на любом этапе эксплуатации прибора. Приведены графики разницы температур от времени нагрева, измеренного термопарами, и измеренные с помощью термоЭДС, подтверждающие правильность термоэлектрического метода. Графики позволяют наглядно увидеть процесс теплопередачи при введении теплового сопротивления, флуктуации температуры и результирующей термоЭДС. Предлагаемый метод позволяет контролировать термическое сопротивление с погрешностью менее 8 %.
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