2022年7月28日

Solar energy (solar energy) refers to the thermal radiation energy of the sun (see the three ways of thermal energy transmission: radiation), the main performance is often said that the sun’s rays. Although the energy radiated by the sun to the earth’s atmosphere is only 1/2.2 billion of its total radiant energy, it is as high as 173,000 TW, which means that the energy that the sun irradiates on the earth every second is equivalent to 5 million tons of coal. The energy hitting the earth is 499,400,00,000 joules. Solar energy in a broad sense is the source of many energy on earth, such as wind energy, chemical energy, potential energy […]