thermal conductivity

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thermal conductivity

n.
A measure of the ability of a material to allow the flow of heat from its warmer surface through the material to its colder surface, determined as the heat energy transferred per unit of time and per unit of surface area divided by the temperature gradient, which is the temperature difference divided by the distance between the two surfaces (the thickness of the material), expressed in watts per kelvin per meter.

thermal conductivity

n
(General Physics) a measure of the ability of a substance to conduct heat, determined by the rate of heat flow normally through an area in the substance divided by the area and by minus the component of the temperature gradient in the direction of flow: measured in watts per metre per kelvin. Symbol: λ or k Sometimes shortened to: conductivity
References in periodicals archive ?
As a result, CTS has requested a 30-day extension to the initial comment period in order to prepare and submit an Addendum to the Focused Feasibility Study that will evaluate Electrical Resistance Heating (ERH) and In-Situ Chemical Oxidation (ISCO) for the expanded treatment area north near MW6/MW7.
If a home relies on inefficient baseboard or ceiling heat (yes, resistance heating is still alive and well in Eugene-Springfield), installing a ductless heat pump or a ducted high-efficiency heat pump makes fiscal sense for the customer and the utility.
Currently, cooked food production relies on traditional heating methods such as electric resistance heating, gas heating, oil recirculation heating and similar.
The resistance heating elements were energized during defrost cycles, which reduces efficiency when compared to the AHRI rating.
The energy-guzzling backup resistance heating seldom, if ever, comes on.
EPA studies find geothermal heat pumps help reduce consumption of energy and emissions that traditional heating and air conditioning systems produce by up to 40% (air source heat pumps) and over 70% (electric resistance heating with standard air conditioning systems).
Some specific topics include thermal deformation of quart flat mirror surfaces under non-uniform heating, a hot-forming process using direct resistance heating, boronizing of the whetstone forming die, and a calculation model of punch force during tube extension.
The transportable electric ladle is a shell-contained refractory crucible comprised of modular baffle or side pocket panels in which high-intensity electric resistance heating elements are embedded (Figs.
The semiproduct was heated using high-frequency resistance heating (Masek et al.
According to the Northwest Energy Efficiency Alliance, nearly one million homes in the Northwest still rely on electric resistance heating as a primary heat source.
The heaters generate electrical eddy currents in the barrel wall, which cause resistance heating without expending energy to heat the mass of a heater band.