thermopile वाक्य
उदाहरण वाक्य
मोबाइल
- These heat flux meters usually consist of thermopiles which provide an electrical signal which is in direct proportion to the heat flux.
- He used it to experiment on the photography of the moon with wet plates and also began to study solar radiation using thermopiles.
- They are also used widely in heat flux sensors ( such as the Moll thermopile and Eppley pyrheliometer ) and gas burner safety controls.
- Later, the system was improved to replace thermopiles with an Inertial Measurement Unit ( IMU ) using a combination of accelerometers, gyroscopes and magnetometers.
- Another kind of sensor used in ear thermometers, called a thermopile, performs a continuous measurement of emitted infrared energy, rather than taking a snapshot.
- Here, a larger voltage is needed than in a pilot flame safety system described above, and a thermopile is used rather than a single thermocouple.
- This was soon outdone by the first true IR iceberg detector, which did not use thermopiles, patented in 1914 by R . D . Parker.
- Thermopiles are also used to generate electrical energy from, for instance, heat from electrical components, solar wind, radioactive materials, laser radiation or combustion.
- Other heat flux sensors include Gardon gauges ( also known as a circular-foil gauge ), thin-film thermopiles, and Schmidt-Boelter gauges.
- Because a thermopile sensor takes an average of five temperature readings, it must be left in the ear several seconds longer than necessary with a pyroelectric ear thermometer.
- Further, photodiodes are reverse biased and saturate for optical powers above a certain value ( typically in mW ), making thermopile sensors suitable for high power measurements.
- In 1913, he developed thermopile detectors and used them at Lick Observatory to measure IR radiation from 110 stars, and the planets Mars, Venus, and Jupiter.
- So-called " millivolt " thermostat systems use thermopiles heated by gas-fired pilot lights to produce the electricity that is then used to control the heating system.
- Thermocouples can be connected in series to form a thermopile, where all the hot junctions are exposed to a higher temperature and all the cold junctions to a lower temperature.
- Depending on application there are several thermosyphon designs : thermoprobe, thermopile, depth thermosyphon, sloped-thermosyphon foundation, flat loop thermosyphon foundation, hybrid flat loop thermosyphon foundation.
- The passive ( cold ) junctions of the thermopile are fully protected from solar radiation and in thermal contact with the pyranometer housing, which serves as a heat-sink.
- Tyndall spectrally decomposed the radiation by use of a rock salt prism, which passed heat as well as visible rays, and measured the radiation intensity by means of a thermopile.
- In the modern thermopile pyranometers the active ( hot ) junctions of the thermopile are located beneath the black coating surface and are heated by the radiation absorbed from the black coating.
- In the modern thermopile pyranometers the active ( hot ) junctions of the thermopile are located beneath the black coating surface and are heated by the radiation absorbed from the black coating.
- A large array of SiGe thermocouples / unicouples form a thermopile that was incorporated into the design of radioisotope thermoelectric generators ( RTGs ) used in the missions " natural decay.
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