Abstract
Due to the great progress in the electronics industry, heat management in electronic components is becoming a serious and important problem. Cooling of electronic components ensures a lower occurrence of failure of elements, longer service life of the device, protection against overheating of elements, further prevents malfunction of the device and loss of heat. In many cases, heat dissipation by natural convection is often insufficient. Heat dissipation by forced convection is effective, but it carries the risk of clogging the interior of the electrical cabinet with dust, which can negatively affect the functionality of the electrical elements over time. One of the possibilities of efficient heat dissipation from the electrical cabinet without forced convection is by means of heat pipe technology, which uses a phase change of the working substance for heat transfer. The article deals with the design, construction and experimental determination of the performance of gravity heat tubes with an increased heat exchange area suitable for the design of an electrical cabinet heat exchanger.
Highlights
The originator of the heat pipe is R
Heat is transferred in the heat pipes through the phase change of the working medium state
The aim of the work was to design, experimentally verify the functionality and measure the transmitted thermal power of a heat pipe with an increased heat exchange area, suitable for the design of a heat exchanger for heat removal from the electrical cabinet by a dust-free method. It is clear from the measured results that gravitational heat pipes with an increased heat exchange area are able to transfer more heat power than heat pipes without an increased heat exchange area
Summary
The originator of the heat pipe is R. S. Gaugler, who in 1944 built a device with the primary purpose of heat transfer with the required power. Gaugler, who in 1944 built a device with the primary purpose of heat transfer with the required power It was a closed two-phase system with liquid and gaseous filling. Heat is transferred in the heat pipes through the phase change of the working medium state. The heat transfer medium evaporates in the evaporating part of the tube and the condensation of steam takes place in the condensing part of the tube, which transfers latent heat [1]
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