“How can we classify heat flow without knowing the area?”
Heat flow is usually thought to be how fast heat can be transferred through a given volume. However, sometimes we may not know about the surface area of our system. So how can we use our scientific mindset to find out? Well, what if we were to simply make a new property, which only classified heat flow for a given length? This is known as a Heat Flux and is applied in engineering systems all over the world.