Thermal Thought Leadership with Celsia Heat Pipes

Our chosen business partner in the thermal management sector, Celsia Inc, is a renowned innovator in heat management technologies. When innovation is the destination, the journey is typically one of imagination and resourcefulness that can’t help but pick up a wealth of expertise on the way. And so it is with Celsia. Which is why I would like to share some of that expert wisdom.

For decades, heat pipes were the default two-phase device of choice for thermal engineers. Why? It was largely due to the cost advantages relative to more complex notion of vapour chambers. Heat pipes are used for heat transport, for which they still exhibit an advantage, and for heat spreading – typically using multiple pipes in close proximity.

They can be configured into an almost infinite array of shapes, moving heat from the evaporator to remote locations where it can be more easily cooled. For lower power applications, perhaps requiring only a single, small heat pipe, or those where heat must be effectively transported, heat pipes still dominate.

Celsia focuses its efforts on ‘difficult heatsink applications’, like those that require multiple heat pipes to transport heat over longer distances, or where a complex shape is required and two-piece vapour chambers are beyond the budget. As with all two-phase devices, thickness, wick porosity and type, and the quantity of working liquid are variables whose design can be adjusted and optimised to suit each application’s requirements.

In addition to creating specialty square heat pipes for improved thermal conductivity, Celsia is well versed in the design and manufacture of ‘thermo-syphons’ deployed where the condenser is especially far away from the evaporator. Celsia’s design engineers use sintered, mesh and grooved wicks in heat sink designs for a variety of industries. These advances have led to further innovations in Vapour Chamber design. And that’s something I will cover in detail in a future blog. In the meantime, watch this space, or call us if you’re too curious to wait!

Best regards – Neil


Neil Wilson
Neil Wilson

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