English-Russian vocabulary of international lighting . 2014.
thermopile — noun Etymology: 4pile Date: 1849 an apparatus consisting of thermocouples combined so as to multiply the effect and used for generating electric currents or determining intensities of radiation … New Collegiate Dictionary
Pyrgeometer — A pyrgeometer is a device that measures the atmospheric infra red radiation spectrum that extends approximately from 4.5 µm to 100 µm. Pyrgeometer components A pyrgeometer consists of the following major components:*A thermopile sensor which is… … Wikipedia
Pyranometer — A pyranometer is a type of actinometer used to measure broadband solar irradiance on a planar surface and is a sensor that is designed to measure the solar radiation flux density (in watts per metre square) from a field of view of 180 degrees.… … Wikipedia
Thermocouple — plugged to a multimeter displaying room temperature in °C. A thermocouple is a device consisting of two different conductors (usually metal alloys) that produce a voltage proportional to a temperature difference between either end of the pair of… … Wikipedia
Heat flux sensor — A heat flux sensor is a commonly used name for a transducer generating a signal that is proportional to the local heat flux. This heat flux can have different origins; in principle convective , radiative as well as conductive heat can be measured … Wikipedia
Infrared — For other uses, see Infrared (disambiguation). An image of two people in mid infrared ( thermal ) light (false color) … Wikipedia
Heat transfer — is a discipline of thermal engineering that concerns the exchange of thermal energy from one physical system to another. Heat transfer is classified into various mechanisms, such as heat conduction, convection, thermal radiation, and phase change … Wikipedia
Solar variation — Solar variations are changes in the amount of solar radiation emitted by the Sun. There are periodic components to these variations, the principal one being the 11 year solar cycle (or sunspot cycle), as well as aperiodic fluctuations. Solar… … Wikipedia
Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea … Wikipedia
sunlight — /sun luyt /, n. the light of the sun; sunshine. [1175 1225; ME sonneliht. See SUN, LIGHT1] * * * ▪ solar radiation also called sunshine solar radiation that is visible at the Earth s surface. The amount of sunlight is dependent on the… … Universalium
Joseph Henry — Infobox Scientist birth date = birth date|1797|12|17 birth place = Albany, New York, USA death date = death date and age|1878|5|13|1797|12|17 death place = Washington, D. C., USA nationality = United States field = Physics work institutions =… … Wikipedia
