Industry News

Heat Pipes and Vapor Chambers – Guidelines for Heat Sink


In today’s webinar, we’re going to basically have six areas that we’re going to talk about. First is, “Do I need to use two-phase?” and we’ll look at the benefits and consequences of using solid materials as opposed to two phases. We’ll look at some basic rules of thumbs, and then we’re going to talk about vapor chambers; yes its true for Heat Sink

We’ll take a look at some sizing; we’re going to talk about how do I integrate them, we’re going to talk about the heat exchange or in other words, the getting rid of the heat part, and how you design those and from a construction standpoint, what they look like. And then finally, what about thermal modeling for these devices? We’re going to talk about that, so we’re going to cover all that stuff today.​

So, let’s look at some rules of thumb. Everybody knows that the two-phase devices are incredible heat conductors. we talk about huge multiples of better conductivity than aluminum or copper, five to 50 times. I think for us, for this audience, the W/mK numbers are more important. then what If I’m doing a sort of a local spreading, you might be down in the 1000 W/mK range. And if I’m moving heat across the room or some distance away, you can get those higher numbers, the 50,000 numbers. We say that heat needs to be moved more than, I can surely say, an inch or an inch and a half to two inches, but 30 to 50 millimeters before you look at using to phase over a piece of metal. yes its all definitely correct here

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