Industry News
The Heating Principle and Operation of Electric Heaters
- ReleaseTime: 2024-01-27
Introduction: Electric heaters are convenient devices for indoor heating during the winter season. They operate by converting electrical energy into heat energy. The heating principle of electric heaters involves two main methods: resistance heating and radiant heating.
Firstly, resistance heating is one of the most common heating principles used in electric heaters. Inside the heater, there is typically a resistance wire or element. When an electric current passes through the wire or element, it generates heat. This heat is then transferred to the surrounding air, similar to an electric stove. The advantage of resistance heating is its ability to quickly provide warmth by rapidly heating the surrounding air.
Secondly, radiant heating is another commonly employed heating principle in electric heaters. Radiant heating refers to the direct transfer of heat energy from the heater to people and objects through radiation, rather than heating the surrounding air. Electric heaters often utilize infrared radiation technology, emitting long-wave infrared radiation. This radiation is absorbed by people and objects, converting it into heat energy. Radiant heating is advantageous as it can rapidly heat individuals and objects without the need to wait for the surrounding air to be heated.
Additionally, some electric heaters combine convection heating with radiant heating. Convection heating involves the use of a fan or air circulation system within the heater to evenly distribute the heated air, providing a more widespread heating effect.
In conclusion, electric heaters operate based on the heating principles of resistance heating and radiant heating. Resistance heating utilizes a resistance wire or element to generate heat, heating the surrounding air. Radiant heating, on the other hand, directly transfers heat energy to people and objects through infrared radiation. Some electric heaters also incorporate convection heating by utilizing fans or air circulation systems to evenly distribute the heated air. When selecting an electric heater, one can consider their specific needs and environment to choose the appropriate heating principle and operation mode.
