Nusselt number Memes

The engineering student's villain origin story in one image. You spend 5 hours drowning in dimensionless numbers, fluid property charts, and enough Greek symbols to make Zeus jealous—all to calculate a single heat transfer coefficient. That tiny "h" mocks your existence after destroying your evening, weekend, and will to live. The universe's cruelest joke is that your professor will mark it wrong anyway because you forgot to convert from Kelvin to Celsius somewhere in equation 17b.