“thermopile”的概念、定义、翻译、参考文献-科学参考

thermopile

Physics

A device used to detect and measure the intensity of radiant energy. It consists of a number of thermocouples connected together in series to achieve greater sensitivity. The hot junctions of the thermocouples are blackened and exposed to the radiation to be detected or measured, while the cold junctions are shielded from the radiation. The thermoelectric e.m.f. generated enables the hot junction excess temperature to be calculated and the radiant intensity to be deduced. They are used in various applications, from a safety device that ceases to produce an electric current if a pilot light blows out to an instrument to measure the heat radiation received from the sun.

Astronomy

An instrument for measuring the heat radiated by an object. It consists of a series of thermocouples connected together for greater sensitivity, and produces an electric current from which the intensity of the radiation can be measured.

Electronics and Electrical Engineering

See thermocouple.

Geology and Earth Sciences

Instrument for the measurement of direct and diffuse short-wave radiation, which utilizes a bank of thermocouples covered by a glass or other transparent dome.

单词	thermopile
释义	thermopile Physics A device used to detect and measure the intensity of radiant energy. It consists of a number of thermocouples connected together in series to achieve greater sensitivity. The hot junctions of the thermocouples are blackened and exposed to the radiation to be detected or measured, while the cold junctions are shielded from the radiation. The thermoelectric e.m.f. generated enables the hot junction excess temperature to be calculated and the radiant intensity to be deduced. They are used in various applications, from a safety device that ceases to produce an electric current if a pilot light blows out to an instrument to measure the heat radiation received from the sun. Astronomy An instrument for measuring the heat radiated by an object. It consists of a series of thermocouples connected together for greater sensitivity, and produces an electric current from which the intensity of the radiation can be measured. Electronics and Electrical Engineering See thermocouple. Geology and Earth Sciences Instrument for the measurement of direct and diffuse short-wave radiation, which utilizes a bank of thermocouples covered by a glass or other transparent dome.
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