Researchers have found that the perfect fire shape has been discovered, as campfires around the globe have had this shape for centuries, but no one could explain why exactly. Adrian Bejan, researcher at Duke University in Durham, North Carolina, claims that its secret is based on the Constructional Law.
This law, devised in 1996, that deals with flow system, refers to the fact that the cone shape is the one that helps out the best with the prolongation of the fire.The ratio between the base of the fire and the height seems to be the entire secret : “The reason is that this shape is the most efficient for air and heat flow. Our success in building fires in turn made it possible for humans to migrate and spread across the globe, heat flow from fire facilitates the movement and spreading of human mass on the globe.”
The wider the base of the fire is, the longer the fire will last, given that the height is proportional to it.The Constructional Law states that flow systems are better perpetuated in shape that allow the access the particular fluid that is being conducted.Also, the wide base allows the fuel to be transported and heat to be lead upwards.
This represents the main reason why this fire shape has always been by various people throughout the world. Tall fires are not the most appropriate ones because they lose a lot of heat during the process. Now that the key to building the perfect fire has been unlocked, everyone will be able to build themselves a good campfire, even those that believed that they were not gifted at it.
However, the most important aspect of the discovery is that it affects the phase change energy storage that is vital to the energy storage process. These will all prove to be very useful when projecting man made designs, because of this principle is going to be used as the underlying theory for several other types of studies that are already being conducted, from “snowflakes to airplanes” as stated in the above mentioned Constructional Law.
The secrets of energy storage will prove soon to bring essential benefits to many branches of technology.
Image Source: thetimes.co.uk