conductivity of heat

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• heat conductivity — savitasis šiluminis laidis statusas T sritis fizika atitikmenys: angl. heat conductivity; specific heat conductance; thermal conductivity vok. spezifisches Wärmeleitungsvermögen, n; Wärmeleitzahl, f rus. удельная теплопроводность, f pranc.… …   Fizikos terminų žodynas

• 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

• Heat conduction — or thermal conduction is the spontaneous transfer of thermal energy through matter, from a region of higher temperature to a region of lower temperature, and acts to equalize temperature differences. It is also described as heat energy… …   Wikipedia

• Conductivity — Con duc*tiv i*ty (k[o^]n d[u^]k*t[i^]v [i^]*t[y^]), n. The quality or power of conducting, or of receiving and transmitting, as heat, electricity, etc.; as, the conductivity of a nerve. [1913 Webster] {Thermal conductivity} (Physics), the… …   The Collaborative International Dictionary of English

• Conductivity — may refer to: Electrical conductivity, a measure of a material s ability to conduct an electric current Conductivity (electrolytic), also the specific conductance, is a measurement of the electrical conductance per unit distance in an… …   Wikipedia

• Heat flux — or thermal flux is a flow of energy per unit of area per unit of time. In SI units, it is measured in [W·m 2] . It has both a direction and a magnitude so it is a vectorial quantity. To define the heat flux at a certain point in space, one takes… …   Wikipedia

• conductivity — ► NOUN ▪ the degree to which a specified material conducts electricity or heat …   English terms dictionary

• conductivity — [kän΄duk tiv′ə tē] n. 1. the property of conducting or transmitting heat, electricity, etc. 2. Elec. conductance per unit of area or volume, measured in siemens per meter: the reciprocal of resistivity …   English World dictionary

• Heat transfer coefficient — The heat transfer coefficient, in thermodynamics and in mechanical and chemical engineering, is used in calculating the heat transfer, typically by convection or phase change between a fluid and a solid::Delta Q=h cdot A cdot Delta T cdot Delta… …   Wikipedia

• Heat pipe — A heat pipe is a heat transfer mechanism that can transport large quantities of heat with a very small difference in temperature between the hotter and colder interfaces. Inside a heat pipe, at the hot interface a fluid turns to vapour and the… …   Wikipedia

• Heat sink — A heat sink (or heatsink) is an environment or object that absorbs and dissipates heat from another object using thermal contact (either direct or radiant). Heat sinks are used in a wide range of applications wherever efficient heat dissipation… …   Wikipedia