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heating coefficient

См. также в других словарях:

  • heating coefficient — šildymo koeficientas statusas T sritis Energetika apibrėžtis Nedimensinis dydis, apibūdinantis šilumos siurblio efektyvumą ir lygus ciklo metu šildomam kūnui suteiktos šilumos kiekio ir cikle sunaudoto darbo santykiui. atitikmenys: angl. heating… …   Aiškinamasis šiluminės ir branduolinės technikos terminų žodynas

  • coefficient de chauffage — šildymo koeficientas statusas T sritis Energetika apibrėžtis Nedimensinis dydis, apibūdinantis šilumos siurblio efektyvumą ir lygus ciklo metu šildomam kūnui suteiktos šilumos kiekio ir cikle sunaudoto darbo santykiui. atitikmenys: angl. heating… …   Aiškinamasis šiluminės ir branduolinės technikos terminų žodynas

  • Heating element — A heating element converts electricity into heat through the process of Joule heating. Electric current through the element encounters resistance, resulting in heating of the element. Most heating elements use Nichrome 80/20 (80% nickel, 20%… …   Wikipedia

  • Coefficient of friction — The coefficient of friction is a dimensionless quantity symbolized by the Greek letter μ and is used to approximate the force of friction. Friction can be viewed, again as an approximation, as being of two primary types, static or kinetic . The… …   Wikipedia

  • Coefficient of thermal expansion — When the temperature of a substance changes, the energy that is stored in the intermolecular bonds between atoms changes. When the stored energy increases, so does the length of the molecular bonds. As a result, solids typically expand in… …   Wikipedia

  • Coefficient of performance — The coefficient of performance or COP (sometimes CP), of a heat pump is the ratio of the change in heat at the output (the heat reservoir of interest) to the supplied work. Contents 1 Equation 2 Derivation 3 Improving COP 4 …   Wikipedia

  • Coefficient of Performance — (COP)   A ratio of the work or useful energy output of a system versus the amount of work or energy inputted into the system as determined by using the same energy equivalents for energy in and out. Is used as a measure of the steady state… …   Energy terms

  • heating asymmetry coefficient — Смотри коэффициент несимметричности нагрева …   Энциклопедический словарь по металлургии

  • Temperature coefficient — The temperature coefficient is the relative change of a physical property when the temperature is changed by 1 K. In the following formula, let R be the physical property to be measured and T be the temperature at which the property is… …   Wikipedia

  • Negative temperature coefficient — A negative temperature coefficient (NTC) occurs when the thermal conductivity of a material rises with increasing temperature, typically in a defined temperature range. For most materials, the thermal conductivity will decrease with increasing… …   Wikipedia

  • Underfloor heating — Heat can be provided by circulating heated water or by electric cable, mesh, or film heaters.Underfloor heating can be used with concrete and wooden floors, with all types of floor covering (e.g., stone, tile, wood, vinyl, and carpet), and at… …   Wikipedia

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