Radiant energy from the sun, new energy, secondary energy

Introduction Radiant energy from the sun, new energy and secondary energy. As long as the energy ultimately comes from the sun, it is solar radiant energy that has only recently been developed and has not been used on a large scale.

Radiant energy from the sun, new energy, secondary energy

As long as the energy ultimately comes from the sun, it is the sun's radiation energy; the new energy has only recently been developed and has not yet been used on a large scale; artificially transformed energy is secondary energy;

Radiant energy from the sun: biogas, solar energy, wind energy

New energies: biogas, solar energy, nuclear energy, wind energy, geothermal energy,

II Secondary energy: biogas, nuclear energy production, wind energy, geothermal energy production

Energy linked to solar radiation currently used by humans

Natural gas is the solar energy that was photosynthesized by plants long ago. It is stored in a physical form and formed after a long period of geological evolution.

Wind energy is caused by air flow caused by the uneven distribution of solar energy on the earth, forning wind and generating wind energy.

On the one hand, hydropower contains wind energy factors, on the other hand, it is also due to uneven solar irradiation which causes convection due to temperature differences of the water. In addition, tidal phenomena are generated. water energy, which can also be indirectly considered solar energy.

The origin of bioenergy and natural gas is that natural gas itself is a kind of bioenergy.

Solar radiation-related energy sources currently used by humans include solar water heaters, coal, and oil.

1. Solar water heater

Solar water heater is an important manifestation of human beings' utilization of solar radiation energy. Through the collector, the sun's rays are collected and converted into thermal energy, then the thermal energyis stored in the water tank for people to use when needed.

This type of equipment not only provides humans with abundant hot water resources, but its non-polluting, renewable, economical and practical characteristics make solar water heaters a widely used energy device in society of today. This not only reduces the consumption of fossil fuels, but also reduces environmental pollution, fully embodying human beings' development and utilization of solar radiation energy.

With the development of science and technology, the efficiency and use experience of solar water heaters are also constantly improving, bringing more convenience and comfort to human life .

2. Coal

Coal is a fossil fuel, generally referring to a black rock with a carbon content of more than 50% that is formed underground and mined. It is one of the world's major sources of energy and is primarily used for electricity generation, industrial coal use, and residential heating. Coal formation and mining are closely linked to factors such as geological structure, climate and biomass.

The process of coal formation required millions of years of deposition and burial. It is a non-renewable resource. Since the extraction and use of coal can have negative impacts on the environment and ecosystems, such as mining accidents, vegetation destruction and air pollution, the growing demand from the population in clean and renewable energy has also promoted clean coal and diversified energy development.

3. Petroleum

Petroleum is a mixture of organic compounds, usually extractedof the earth's crust and is liquid at room temperature. Fossil fuels. It is one of the main pillars of modern industrial and economic development and is widely used for various purposes such as fuels, lubricants, solvents, fertilizers, plastics and rubber, etc.

Oil extraction and processing requires a large amount of technology and equipment, and the oil industry has always been considered a technology- and capital-intensive industry. The production and consumption of oil is very important globally, but due to the limited and non-renewable nature of oil resources, people have started to explore and develop clean and renewable energy sources to replace the oil.

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