Gentwin heat pipe is a device that moves heat

Posted by gentwin on March 29th, 2017

A heat pipe is a device that moves heat from a heat source to a region where heat can dissipate. The heat pipe does not actually dissipate heat, so as it is added to heat sink as fitting. Heat pipe is a copper tube with internal core structure, sealed at both ends, with a small amount of water inside. When heat is applied to the pipe, the water will boil and become a gas, and then the gas travels to the cooler part of the heat pipe, where it condenses back to the liquid. Water evaporation and condensation can transfer heat.

Many types of core structures can be used in heat pipes, and they are usually divided into grooves, reticular, powdered and mixed forms. The grooved heat pipe is a brass tube with a series of shallow grooves inside the heat pipe. When the water is liquid, it travels in the tank, and it is steam, which travels in the open space of the tube. The slot tube can be used in the horizontal direction, but if the use of about 15 ° in the horizontal direction, the performance is very limited.

The mesh heat pipe is a smooth copper pipe that houses the braided copper mesh along the inside of the tube. The grid is designed to remain in contact with the walls of the pipe in a region where the pipe is bent or flattened. The horizontal direction of the mesh tube can be about 30 °.

Powder core tube heat pipe can also be called sintering heat pipe. During the manufacturing process, the mandrel is installed in the center of the tube and the copper powder is poured into the tube around the mandrel. After the powder is fully packed, the parts are placed in a sintering furnace. Once in the temperature state, the copper powder will stick to the tube and form a lot of internal pockets, such as sponge. Due to the small size of the pocket, the sintered tube can effectively move the water and can be used horizontally, vertically and all the points between them.

The performance of the heat pipe is a function of its length, diameter, core structure and overall shape. The larger the diameter, the more power you can transport, but the longer the length, the worse the ability of the pipe. Sintering heat pipe is superior to mesh, better than slotting. The heat pipe can be bent and flattened so as to move the heat or adapt to a smaller space when needed, but these types of modifications affect the total heat that can be transferred. In the case where the heat to be transported is too large for a single pipe, multiple pipes can be used in parallel and connected in series to move more heat at a greater distance. Know more at

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