Solar Energy And Heat

Heat and Solar Energy

Heat and Solar Energy

Making use of solar heating systems means knowing of several processes that make solar heat out of solar energy. But all the average person needs to learn from this is how they can benefit from the solar home heating.

About the solar collectors

A solar energy collector does just that, collects solar light energy that is converted into heat. This is a simple process. The sunlight first passes easily through a glazed glass surface and is absorbed by a material underneath. The light excites the molecules in the material thus generating heat. The glazed glass then traps the heat, this is known as the green house effect. Once the heat is produced it is ready to be put to use.

Basic Heat Principles

The word heat is basically what's produced when molecules of a substance move rapidly. It's the movement of molecules that create the heat, and is what happens when solar thermal energy in the form of light waves hits an object. The laws of nature state that heat is always moving from areas of higher heat to areas of lower heat. This is the process known as heat transfer.

If you were to put two objects side by side with differing temperatures, the warmer object would cool down conversely while the cooler object warmed up. Heat transfer takes place at a rate that is directly proportional to the temperature difference. The larger the difference, the faster the heat transfer,

Heat Movement Assessment

To fully understand heat transfer regarding solar thermal energy, it's important to know about the 3 kinds of heat transfer. The first is conduction where direct contact between two objects results in heat transfer, such as cooking something in a skillet. The second is convection which is where heat is transferred through moving fluid such as air or water, like baking a cake in the oven. The other is radiation heat transfer, and this is where electromagnetic waves move through a space to strike another object to transfer heat. An example is feeling the sun warm your skin while standing outside.

Choosing which application

Knowing the various types of heat transfer will help you choose the ideal application that will ultimately become beneficial for your home or office. Make sure that you also get all the materials needed for your solar heating system. You can stay comfortable even on long cold months by choosing the right type and knowing the devices and positioning that will guarantee you safe and effective results.

by: Janet Mcintyre.

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