heat insulator - meaning and definition. What is heat insulator
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What (who) is heat insulator - definition

INSULATION AGAINST HEAT TRANSFER
Thermal insulator; Thermal break; Heat insulator; Heat insulation; Thermal Insulation; Insulation (thermal); Thermal barrier; Mechanical insulation; Heat insulators; Thermal breaking; Insulator elements
  • Cabin insulation of a [[Boeing 747-8]] airliner
  • Thermal insulation applied to exhaust component by means of plasma spraying
  • Car exhausts usually require some form of heat barrier, especially high-performance exhausts, where a ceramic coating is often applied.
  • Insulated hot water supply and return hydronic piping on a gas-fired boiler

non-conductor         
  • A three-phase insulator used on distribution lines, typically 13.8 kV phase to phase. The lines are held in a diamond pattern, multiple insulators used between poles.
  • Three-core copper wire power cable, each core with an individual colour-coded insulating sheath, all contained within an outer protective sheath
  • glazing]] (1977)
  • PVC-sheathed [[mineral-insulated copper-clad cable]] with two conducting cores
  • open-wire]] transmission for telephone communication, manufactured for AT&T in the period from c. 1890 to WW-I; It is secured to its support structure with a screw-like metal or wood pin matching the threading in the hollow internal space. The transmission wire is tied into the groove around the insulator just below the dome.
  • Open-wire telegraph pole with porcelain insulators in [[Quidenham]], [[Norfolk]], [[United Kingdom]]
  • Egg-shaped strain insulator
  • Bottom-contact third rail in a sheath insulator
MATERIAL WHOSE INTERNAL ELECTRIC CHARGES DO NOT FLOW FREELY, AND WHICH THEREFORE DOES NOT CONDUCT AN ELECTRIC CURRENT
Electrical insulators; Glass insulators; Glass insulator; Nonconductor; Nonconductors; Non-conductor; Insulator (power engineering); Insulator string; Telegraph insulators; Electrical insulator; Electric insulator; Weathershed; Insulator chain; Insulation (electric); Insulation (electrical); Electric insulation; Electrical insulation; Insulator (Electrical); Creepage; Insulator (electric); Non-conductors; Nonconducting; Non-conducting; Insulator (electrical); Electrical Insulator; Electricity insulation; Creepage distance; Bad insulator; Sheath insulator; Insulator (telegraph and power transmission)
¦ noun a substance that does not conduct heat or electricity.
Derivatives
non-conducting adjective
Nonconductor         
  • A three-phase insulator used on distribution lines, typically 13.8 kV phase to phase. The lines are held in a diamond pattern, multiple insulators used between poles.
  • Three-core copper wire power cable, each core with an individual colour-coded insulating sheath, all contained within an outer protective sheath
  • glazing]] (1977)
  • PVC-sheathed [[mineral-insulated copper-clad cable]] with two conducting cores
  • open-wire]] transmission for telephone communication, manufactured for AT&T in the period from c. 1890 to WW-I; It is secured to its support structure with a screw-like metal or wood pin matching the threading in the hollow internal space. The transmission wire is tied into the groove around the insulator just below the dome.
  • Open-wire telegraph pole with porcelain insulators in [[Quidenham]], [[Norfolk]], [[United Kingdom]]
  • Egg-shaped strain insulator
  • Bottom-contact third rail in a sheath insulator
MATERIAL WHOSE INTERNAL ELECTRIC CHARGES DO NOT FLOW FREELY, AND WHICH THEREFORE DOES NOT CONDUCT AN ELECTRIC CURRENT
Electrical insulators; Glass insulators; Glass insulator; Nonconductor; Nonconductors; Non-conductor; Insulator (power engineering); Insulator string; Telegraph insulators; Electrical insulator; Electric insulator; Weathershed; Insulator chain; Insulation (electric); Insulation (electrical); Electric insulation; Electrical insulation; Insulator (Electrical); Creepage; Insulator (electric); Non-conductors; Nonconducting; Non-conducting; Insulator (electrical); Electrical Insulator; Electricity insulation; Creepage distance; Bad insulator; Sheath insulator; Insulator (telegraph and power transmission)
·noun A substance which does not conduct, that is, convey or transmit, heat, electricity, sound, vibration, or the like, or which transmits them with difficulty; an insulator; as, wool is a nonconductor of heat; glass and dry wood are nonconductors of electricity.
Nonconducting         
  • A three-phase insulator used on distribution lines, typically 13.8 kV phase to phase. The lines are held in a diamond pattern, multiple insulators used between poles.
  • Three-core copper wire power cable, each core with an individual colour-coded insulating sheath, all contained within an outer protective sheath
  • glazing]] (1977)
  • PVC-sheathed [[mineral-insulated copper-clad cable]] with two conducting cores
  • open-wire]] transmission for telephone communication, manufactured for AT&T in the period from c. 1890 to WW-I; It is secured to its support structure with a screw-like metal or wood pin matching the threading in the hollow internal space. The transmission wire is tied into the groove around the insulator just below the dome.
  • Open-wire telegraph pole with porcelain insulators in [[Quidenham]], [[Norfolk]], [[United Kingdom]]
  • Egg-shaped strain insulator
  • Bottom-contact third rail in a sheath insulator
MATERIAL WHOSE INTERNAL ELECTRIC CHARGES DO NOT FLOW FREELY, AND WHICH THEREFORE DOES NOT CONDUCT AN ELECTRIC CURRENT
Electrical insulators; Glass insulators; Glass insulator; Nonconductor; Nonconductors; Non-conductor; Insulator (power engineering); Insulator string; Telegraph insulators; Electrical insulator; Electric insulator; Weathershed; Insulator chain; Insulation (electric); Insulation (electrical); Electric insulation; Electrical insulation; Insulator (Electrical); Creepage; Insulator (electric); Non-conductors; Nonconducting; Non-conducting; Insulator (electrical); Electrical Insulator; Electricity insulation; Creepage distance; Bad insulator; Sheath insulator; Insulator (telegraph and power transmission)
·adj Not conducting; not transmitting a fluid or force; thus, in electricity, wax is a nonconducting substance.

Wikipedia

Thermal insulation

Thermal insulation is the reduction of heat transfer (i.e., the transfer of thermal energy between objects of differing temperature) between objects in thermal contact or in range of radiative influence. Thermal insulation can be achieved with specially engineered methods or processes, as well as with suitable object shapes and materials.

Heat flow is an inevitable consequence of contact between objects of different temperature. Thermal insulation provides a region of insulation in which thermal conduction is reduced, creating a thermal break or thermal barrier, or thermal radiation is reflected rather than absorbed by the lower-temperature body.

The insulating capability of a material is measured as the inverse of thermal conductivity (k). Low thermal conductivity is equivalent to high insulating capability (resistance value). In thermal engineering, other important properties of insulating materials are product density (ρ) and specific heat capacity (c).