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Evacuated Tube With Heat Pipe

Categories Solar Collector
Packaging Details: Carton/Wooden box
Payment Terms: T/T, L/C
MOQ: 1 Piece
Supply Ability: 1000000 Piece / Month
Delivery Time: 10 days when received deposit
Vacuum tube material: borosilicate glass
Brand Name: Shouting&OEM
Pipe Material: Copper
Application: Solar Thermal
Type: Vacuum Solar Collector
Place of Origin: China
Category: Copper Pipes
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    Evacuated Tube With Heat Pipe

    Structure and Principle of Heat Pipe: The heat pipe is hollow with the space inside evacuated, much the same as the solar tube. In this case insulation is not the goal, but rather to alter the state of the liquid inside. Inside the heat pipe is a small quantity of purified water and some special additives. At sea level water boils at 100oC (212oF), but if you climb to the top of a mountain the boiling temperature will be less that 100oC (212oF). This is due to the difference in air pressure.
    Based on this principle of water boiling at a lower temperature with decreased air pressure, by evacuating the heat pipe, we can achieve the same result. The heat pipes used in AP solar collectors have a boiling point of only 30oC (86oF). So when the heat pipe is heated above 30oC (86oF) the water vaporizes. This va pour rapidly rises to the top of the heat pipe transferring heat. As the heat is lost at the condenser (top), the va pour condenses to form a liquid (water) and returns to the bottom of the heat pipe to once again repeat the process.
    At room temperature the water forms a small ball, much like mercury does when poured out on a flat surface at room temperature. When the heat pipe is shaken, the ball of water can be heard rattling inside. Although it is just water, it sounds like a piece of metal rattling inside.
    This explanation makes heat pipes sound very simple. A hollow copper
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