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How thermal radiation heat dissipation coatings accelerate the heat dissipation of objects

How thermal radiation heat dissipation coatings accelerate the heat dissipation of objects

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2022-07-19
  • Views:635

(Summary description)Graphene thermal radiation heat dissipation coating is a special coating that can improve the heat dissipation efficiency of the surface of the object and reduce the temperature of the object. Graphene heat-dissipating coatings can dissipate heat in the form of thermal radiation, accelerating the reduction of the surface temperature of objects. Graphene heat dissipation coating has the characteristics of good self-cleaning, anti-corrosion, waterproof, fire resistance, insulation, acid and alkali resistance, and convenient construction.

How thermal radiation heat dissipation coatings accelerate the heat dissipation of objects

(Summary description)Graphene thermal radiation heat dissipation coating is a special coating that can improve the heat dissipation efficiency of the surface of the object and reduce the temperature of the object. Graphene heat-dissipating coatings can dissipate heat in the form of thermal radiation, accelerating the reduction of the surface temperature of objects. Graphene heat dissipation coating has the characteristics of good self-cleaning, anti-corrosion, waterproof, fire resistance, insulation, acid and alkali resistance, and convenient construction.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2022-07-19
  • Views:635
Information

All objects in nature, as long as the temperature is above the absolute temperature of zero, will constantly transmit heat in the form of electromagnetic waves. This way of transmitting energy is called radiation. The energy released by an object through radiation is called radiant energy. Radiation is calculated in roentgen/hour (R).

Radiation is a kind of non-contact heat transfer, which can also be carried out in a vacuum. Radiation also has "equivalence". Regardless of the temperature of the object (gas), it radiates outward. Object A can radiate to object B, and B can also radiate outward. Radiation to nails.

The heat transmitted by radiation has a determined relationship with the temperature of the object. The higher the temperature of the object, the more heat the object radiates outward. This phenomenon is mainly because the object with high temperature radiates a short wavelength and emits a high frequency. More heat is radiated away. The surface temperature of the sun can reach 6000°K, and it continuously transmits huge energy to the earth in the form of radiation wavelengths between 0.15-4 microns, but in the temperature range that humans are exposed to, it is practically meaningful that the wavelength is located at 0.38 The thermal radiation between ~1000pm, and most of them are located in the range of 0.76~20pm in the infrared (also known as heat ray) segment. When the absolute temperature is 290K, the emission peak is infrared rays with a wavelength of 10um.

To sum up the above, if the speed of heat dissipation and cooling of the object is accelerated, the amount of radiation of the object will be increased, and at the same time, the "equivalence" of radiation should also be reduced. When the temperature of the object does not change much, the amount of radiation of the object itself is limited, so it is necessary to cover the surface of the object with a material. The wavelength of the radiation of this material is relatively short, and the radiated heat is more than the object itself. The heat taken by radiation is much larger, and this material can well break the "equivalence" of radiation, which can accelerate the heat dissipation and cooling of the object.

Graphene thermal radiation heat dissipation coating is a special coating that can improve the heat dissipation efficiency of the surface of the object and reduce the temperature of the object. Graphene heat-dissipating coatings can dissipate heat in the form of thermal radiation, accelerating the reduction of the surface temperature of objects. Graphene heat dissipation coating has the characteristics of good self-cleaning, anti-corrosion, waterproof, fire resistance, insulation, acid and alkali resistance, and convenient construction.

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