thermal conductivity ratio

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• Thermal conductivity detector — The thermal conductivity detector (TCD) is a bulk property detector and a chemical specific detector commonly used in gas liquid chromatography. [Grob, Robert L. Ed.; Modern Practice of Gas Chromatography , John Wiley Sons, C1977, pg. 228, ] This …   Wikipedia

• Thermal mass — Thermal mass, in the most general sense, is any material that has the capacity to store heat. The following discussion pertains to its functional application in ecologically sustainable building construction. When used correctly, it can… …   Wikipedia

• Thermal shock — is the name given to cracking as a result of rapid temperature change. Glass and ceramic objects are particularly vulnerable to this form of failure, due to their low toughness, low thermal conductivity, and high thermal expansion coefficients.… …   Wikipedia

• Thermal conduction — In heat transfer, conduction (or heat conduction) is a mode of transfer of energy within and between bodies of matter, due to a temperature gradient. Conduction means collisional and diffusive transfer of kinetic energy of particles of ponderable …   Wikipedia

• thermal conduction — Transfer of heat energy resulting from differences in temperature between adjacent bodies or adjacent parts of a body. In the absence of a heat pump, the energy will flow from a region of higher temperature to a region of lower temperature. The… …   Universalium

• Thermal contact conductance — In physics, thermal contact conductance is the study of heat conduction between solid bodies in thermal contact. The thermal contact conductance coefficient, hc, is a property indicating the thermal conductivity, or ability to conduct heat,… …   Wikipedia

• Thermal diffusivity — In heat transfer analysis, thermal diffusivity (symbol: alpha,, but note that the symbols kappa, D, and k are all commonly used) is the ratio of thermal conductivity to volumetric heat capacity. It has SI of m²/s.:alpha = {k over { ho c pwhere: * …   Wikipedia

• Thermal management of high power LED — With the coming of energy saving era, high power light emitting diodes (LEDs) are promising to replace other technologies such as incandescent and fluorescent bulbs in signaling, solid state lighting, and vehicle headlight applications due to… …   Wikipedia

• Thermal copper pillar bump — The Thermal Copper Pillar Bump, also known as the thermal bump , is a thermoelectric device made from thin film thermoelectric material embedded in flip chip interconnects (in particular copper pillar solder bumps) for use in electronics and… …   Wikipedia

• Electrical conductivity — or specific conductivity is a measure of a material s ability to conduct an electric current. When an electrical potential difference is placed across a conductor, its movable charges flow, giving rise to an electric current. The conductivity σ… …   Wikipedia

• Solar thermal energy — Solar thermal system for water heating in Santorini, Greece …   Wikipedia