The Irish Sun
The easy way to cool your car down in seconds for the school run without AC
A SAVVY maths professor has shared the easy way to get your car cool in seconds for the school run. Hannah Fry, from the UK, took to social media to …
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Maths Professor Reveals Simple Fluid Dynamics Trick to Instantly Cool Your Car
London, UK – As summer temperatures rise, a simple yet effective method for rapidly cooling down a hot car, rooted in the principles of fluid dynamics, is gaining attention. Dr. Hannah Fry, a renowned Maths Professor, recently demonstrated a technique that promises to make car interiors temperate in just a few minutes, bypassing the immediate need for air conditioning. Dr. Fry explains that when a car's interior becomes uncomfortably hot, the solution lies in manipulating air pressure. "You open one of the windows on the opposite side of the door, and then you very quickly open and close the driver's door," she advised in her demonstration. This action, she clarifies, is not just a random movement but a deliberate application of fluid dynamics. "The door, as it's moving outwards, it sweeps out all of the air that's in its way, creating this sort of area of low pressure," Dr. Fry stated. This low-pressure zone effectively draws the hot, stale air from inside the car outwards. The vacuum created then allows fresh, cooler air from outside to be pulled in through the open opposite window, quickly replenishing the car's atmosphere. According to Dr. Fry, this process typically takes "only about two or three goes" to achieve a noticeably cooler and more comfortable interior. While she humorously acknowledged that the action might make one "look like a bit of an idiot," the scientific basis and practical benefits make it a worthwhile trick for drivers seeking a quick cool-down without relying solely on their car's air conditioning system.
