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thermopile
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thermopile
thermopile (ˈθɜːməpaɪl) [f. thermo- + pile n.3 5.] A thermo-electric battery, used in connexion with a galvanometer, for measuring minute quantities of radiant heat; also called thermo-multiplier.1849 Noad Electricity (ed. 3) 424 Thermo-piles are now constructed by soldering together at their altern...
Oxford English Dictionary
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Thermopile laser sensor
Thermopile laser sensors (Fig 1) are used for measuring laser power from a few µW to several W (see section 2.4). inside the sensor element
Radial thermopile sensor/Thermopile discs
Thermopile discs have thermocouples deposited onto an aluminium plate in a radial
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Thermopylae (disambiguation)
Thermopylae, North Carolina, the fictional setting of Michael Malone's novel, Handling Sin
See also
Battle of Thermopylae (disambiguation)
Thermophile
Thermopile
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thermo-multiplier
ˌthermo-ˈmultiplier [f. thermo- + multiplier 4.] Early name for a thermopile: so called in reference to the multiplying effect of the numerous cells in the battery.1835 Faraday tr. Melloni in Philos. Mag. VII. 475 In order to experiment under these circumstances, it is clearly necessary to employ an...
Oxford English Dictionary
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Pyranometer
:
A thermopile sensor with a black coating. It also shields the thermopile sensor from convection.
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bolometer
bolometer (bəʊˈlɒmɪtə(r)) [f. Gr. βολή beam of light + µέτρον measure.] An electrical instrument of great sensitiveness for measuring radiant heat. Hence bolometric (bɒləʊˈmɛtrɪk), a.1881 Nature XXV. 14 An instrument..capable of indicating a change of temperature as minute as 1-100,000th of a single...
Oxford English Dictionary
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Heat flux
The most common type of heat flux sensor is a differential temperature thermopile which operates on essentially the same principle as the first measurement However, differential thermopile heat flux sensors have to be calibrated in order to relate their output signals [μV] to heat flux values [W/(m2⋅K)].
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Pyrgeometer
Pyrgeometer components
A pyrgeometer consists of the following major components:
A thermopile sensor which is sensitive to radiation in a broad range It is measured using a temperature sensor inside the instrument, near the cold junctions of the thermopile.
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热电堆
参见
珀耳帖效应
热电效应
热电材料
放射性同位素热电发电机
外部链接
The Museum of Retro Technology: Thermo-Electric Generators
TPA81 Thermopile detector Array Technical Specification
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Pyrheliometer
Sunlight enters the instrument through a window and is directed onto a thermopile which converts heat to an electrical signal that can be recorded.
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T-MOS thermal sensor
Both thermopile and bolometer are passive detectors while microbolometers can also have an active structure, but the transistor used is a TFT (thin-film See also
Bolometer
CMOS
Infrared radiation
MOSFET
Semiconductor fabrication process
Thermal radiation
Thermopile
References
Further reading
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Thermoelectric effect
Thermoelectric generators are like a thermocouple/thermopile but instead draw some current from the generated voltage in order to extract power from heat They are optimized differently from thermocouples, using high quality thermoelectric materials in a thermopile arrangement, to maximize the extracted power
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曝光计
至于物理式的,一般用采用辐射热测量计、电热堆(thermopile)及光电二极管,并透过对读数与光子数量的调较,从而计算出热辐射功率。
一般的典型曝光计不需要操纵,可自动进行监测。量度单位是「瓦特每平方米」(W/m2)。
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Thermographic camera
occurred in 1829, when Leopoldo Nobili, using the Seebeck effect, created the first known thermocouple, fabricating an improved thermometer, a crude thermopile Subsequently, Melloni worked alone, creating an instrument in 1833 (a multielement thermopile) that could detect a person 10 metres away.
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Photovoltaic system performance
Typical sensors used for such irradiance measurements include thermopile pyranometers, PV reference devices and photodiode sensors. Class A sensors need to be re-calibrated once per year, require cleaning once per week, require a heater and require ventilation (for thermopile pyranometers
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