Flame holder

Alright kiddo, so have you ever seen a candle before? Yeah, you know how the flame stays in one place and doesn't flicker around too much? That's because the wax around the wick helps hold the flame in place - it's kind of like a container that keeps the fire steady.

Well, a flame holder works a lot like that, but it's used for bigger fires, like in a jet engine or a furnace. It's a part of the machinery that helps to control the flame and keep it burning steadily.

So let's say you have a furnace that's burning fuel to create heat. The fuel needs air to burn, right? But you don't want too much air or the fire could get out of control. That's where the flame holder comes in - it's designed to control the flow of air, so that just the right amount gets mixed in with the fuel. That way, the fire stays steady and the furnace can heat your home or building safely.

The design of flame holders can vary depending on what they're used for, but the basic idea is always the same - to control and stabilize the flame. Scientists and engineers work really hard to come up with the best designs possible, using all kinds of fancy tools and machinery to test them out and make sure they work right.

So there you have it, kiddo - flame holders are like special containers that help keep big fires under control so they can be used safely and efficiently.