thermal coefficient

См. также в других словарях:

• thermal coefficient of expansion — a measure of the dimensional change of a metal with temperature, caused by changes in the magnitude of atomic vibration that affect the atomic spacing …   Mechanics glossary

• coefficient — of expansion coefficient of friction coefficient of rolling resistance aligning torque coefficient aligning stiffness coefficient braking force coefficient braking stiffness coefficient braking traction coefficient camber stiffness coefficient …   Mechanics glossary

• 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 hydraulics — (also called thermohydraulics) is the study of hydraulic flow in thermal systems. A common example is steam generation in power plants and the associated energy transfer to mechanical motion and the change of states of the water while undergoing… …   Wikipedia

• Thermal expansion — Thermodynamics …   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

• Thermal conductivity — In physics, thermal conductivity, k, is the property of a material that indicates its ability to conduct heat. It appears primarily in Fourier s Law for heat conduction.First, we define heat conduction by the formula::: H=frac{Delta Q}{Delta t}=k …   Wikipedia

• Thermal management of electronic devices and systems — Heat generated by electronic devices and circuitry must be dissipated to improve reliability and prevent premature failure. Techniques for heat dissipation can include heatsinks and fans for air cooling, and other forms of computer cooling such… …   Wikipedia

• Thermal power station — Republika Power Plant, a thermal power station in Pernik, Bulgaria …   Wikipedia

• 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 efficiency — In thermodynamics, the thermal efficiency (eta {th} ,) is a dimensionless performance measure of a thermal device such as an internal combustion engine, a boiler, or a furnace, for example. The input, Q {in} ,, to the device is heat, or the heat… …   Wikipedia