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How does Koola keep your drink cold?
The Koola, a modern beverage insulator, has been celebrated for its ability to keep drinks cold, even in the most challenging conditions. While often associated with convenience and style, Koolas are rooted in sound scientific principles. Research into the dynamics of heat transfer and condensation confirms their effectiveness, making them indispensable for keeping beverages refreshingly cool. You can trust us on this. Teams of beer-loving scientists have done peer-reviewed studies to prove how Koolas work! Gotta love those smart people who also love a beverage, hey?!
The role of condensation in warming drinks
When a cold beverage is exposed to warm, humid air, condensation forms on its surface. This makes a drink look delicious, but it’s not good! This phenomenon, while seemingly harmless, is a significant factor in the warming of your drink. As water vapour condenses, it releases latent heat, which transfers directly to the can or bottle.
According to Durran Dale and Dargan Frierson (2013), "Latent heating is the dominant factor warming your cold beer. The rate of latent heating decreases as the outside of the can warms, and the heating ceases completely once the can’s surface temperature exceeds the dew point." In other words, the primary cause of a drink warming in humid conditions is not just air temperature and your hand’s warmth, but the heat released from droplets during condensation.
Even worse, this process is significantly faster in humid climates like the Netherlands. Research published in Physics Today demonstrated that "cold drink cans warm up significantly faster in hot, humid locations than in hot, dry locations—by approximately a factor of two in typical summertime weather conditions" (An Experiment Uses Cold Beverages to Demonstrate the Warming Power of Latent Heat, 2013). Now we know what you’re thinking, Europe might not be that hot, yet, but it certainly is humid. And with climate change, well, you’re going to need a Koola more than ever to combat something far worse than global warming…drink warming! On a warming planet, you will need a cooler drink. Koola has your back!
How Koola prevents condensation
Koolas work by eliminating condensation, which is the root cause of accelerated warming in humid environments. This is achieved through their insulating material, neoprene, which acts as a barrier between the can or bottle and the surrounding air.
Insulation and Temperature Regulation: Neoprene is an exceptional insulator, designed to minimise heat transfer. According to Physics Today (2013), Koolas "help prevent canned drinks from warming up by stopping condensation from forming on the can."
Latent Heat Mitigation: By preventing water vapour from condensing on the surface, Koolas effectively stop the release of latent heat. This process directly slows the warming of the beverage.
A study by scientists at the University of Washington, funded by the National Center of Atmospheric Research and the National Science Foundation, confirmed the effectiveness of Koolas. The research concluded that Koolas reduce heat transfer caused by condensation, particularly in humid conditions, ensuring beverages stay colder for longer (BEV Wines, 2023).
Koolas: A perfect fusion of science and practicality
Koolas combine simple yet effective physics with practical design to deliver a superior drinking experience. Their neoprene construction ensures both flexibility and durability, while their insulating properties combat the effects of heat and condensation. As research has shown, "Koolas prevent condensation from forming, significantly slowing the warming process in both dry and humid environments" (Physics Today, 2013). So, the next time you enjoy an ice-cold beverage in the heat, remember: your Koola is backed by science, ensuring every sip stays perfectly chilled.
References:
“An Experiment Uses Cold Beverages to Demonstrate the Warming Power of Latent Heat.” 2013. Physics Today (20130328). https://doi.org/10.1063/PT.4.2421
Durran Dale R and Dargan M. W Frierson. 2013. “Condensation Atmospheric Motion and Cold Beer.” Physics Today 74–75. https://doi.org/10.1063/PT.3.1958