If youve ever watched a dog drink water, you know that it can be a sloshy, spilly, splashy affair -- in other words, adorable. Behind all of the happy, wet messes, however, lies the mechanical logic of carnivorous compensation -- dogs splash when they drink because they have the cheeks of a predatory quadruped. By studying the drinking habits of various dog breeds and sizes, researchers have recently identified and modeled the fluid dynamics at play when dogs drink water... When dogs withdraw their tongue from water, they create a significant amount of acceleration -- roughly five times that of gravity -- that creates the water columns, which feed up into their mouths... The researchers found that heavier dogs drink water with the larger wetted area of the tongue. This indicates that an allometric relationship exists between water contact area of the dogs tongue and body weight -- thus the volume of water a dogs tongue can move increases exponentially relative to their body size. Interesting study from ScienceDaily. Read on...
Posted on: Sun, 30 Nov 2014 02:12:33 +0000