Thermosiphons are passive, two-phase thermal management systems that have a wide variety of benefits and potential applications.
A Thermosiphon is a passive, two-phase cooling system that relies on gravity to circulate a fluid rather than a capillary wick structure often used in heat pipes and other heat transport devices. As with all passive two-phase cooling, the liquid and vapor exist within the self-contained envelope and contain no pumps or other moving parts.
While there are several different constructions for Thermosiphons, they generally all consist of three basic components: an evaporator, a fluid loop (or adiabatic section), and a condenser. The evaporator absorbs energy into the system, which causes the working fluid, usually a refrigerant or other dielectric fluid, to turn into vapor. The vapor then travels through the adiabatic section (vapor tube) due to the pressure difference between hot evaporator and cool condenser (buoyancy), where the heat is expelled from the system and the vapor condenses back into a liquid and returns to the evaporator via gravity. This process is repeated indefinitely as long as there is heat to reject from the system.
Thermosiphons are useful for a wide variety of industries and devices. Thermosiphons are effective enterprise solutions for CPUs, GPUs, ASICs and FPGAs within servers, networking equipment, and cabinets. Industrial and power applications benefit from thermosiphons for cooling wind and solar inverter IGBTs. Power amplifiers in telecommunications equipment like Remote Radio Units and full cabinets leverage the high cooling capacity of thermosiphons. The heat transfer coefficient of a thermosiphon is hundreds of times more than conventional materials like aluminum or copper and energy is transported with consistent temperatures throughout the unit. This makes Thermosiphons ideal for larger surfaces, heat transfer across multiple devices, or as a cost-effective option for any application where orientation with respect to gravity is known and fixed.
在Boyd，Thermiphons经过各种测试，以确保它们可靠并准备使用。压力测试，泄漏测试和热性能测试只是Boyd中使用的一些方法，以确保每个热虹吸管满足规格。
在我们的下一博客中，我们将详细介绍Boyd的四种类型的热虹柱配置：直接接触环热虹吸，2D热虹吸翅片，3D直接接触环热虹吸管和空到气环热虹吸。Have questions? We're ready to help!
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