Engines Memes

Posts tagged with Engines

Useful Work Goes Brrrrrrrrrrrrrrr
Physics Engineering Science
16 days ago 12.0K views 0 shares
Useful Work Goes Brrrrrrrrrrrrrrr
Ever noticed how engines are basically energy wasting machines? 😂 This brilliant diagram shows the sad truth of thermodynamics in action! In diesel engines, only about 30-40% of the fuel's energy actually makes it to the wheels as "useful work." The rest? It's just throwing a party elsewhere as heat, noise, friction, and other parasitic losses! It's like ordering a large pizza but only getting to eat 3 slices while your roommates (who didn't pay) steal the rest. The Second Law of Thermodynamics strikes again - no system is 100% efficient, and entropy always increases. Engineers spend their entire careers fighting this uphill battle against physics, trying to squeeze every last drop of efficiency from these mechanical beasts. And yet, thermodynamics just laughs and goes "brrrrrrr" with your wasted energy!

The Thermodynamic Reality Check
Engineering Physics Science
16 days ago 12.8K views 0 shares
The Thermodynamic Reality Check
The brutal honesty of thermodynamics in one perfect cartoon! This meme brilliantly illustrates the second law of thermodynamics in action through a diesel engine. While some energy actually does useful work (the tiny mouse getting the good stuff), the majority gets wasted as heat, noise, and vibration (the big chunky guy hogging most of the energy). Engineers call these "parasitic losses" because they're basically energy vampires stealing power that could be moving your car forward. Even the most efficient diesel engines only convert about 40% of fuel energy into actual work - the rest just becomes your engine's mixtape of rumbles and heat.

That's It? That's How Engineering Crushes Dreams?
Engineering Physics Academia
3 months ago 8.5K views 0 shares
That's It? That's How Engineering Crushes Dreams?
Welcome to Engineering 101, where complex mechanical marvels are reduced to "just pressure differences." The look of utter disbelief perfectly captures that moment when you realize four years of engineering education will be spent converting magnificent machines into boring differential equations. Professors love doing this—reducing jet engines, rockets, and sports cars to simple physics principles, then wondering why half the class is questioning their life choices. The beautiful complexity of a combustion engine? Nah, just gases pushing things around. Next week we'll reduce your student loan debt to "just a negative number in a spreadsheet."

The Unholy Trinity Of Vehicular Emissions
Chemistry Climate Earth-science Engineering
5 months ago 15.3K views 0 shares
The Unholy Trinity Of Vehicular Emissions
The automotive industry's version of a gang threat. When an engine fails to completely combust its fuel, it unleashes the unholy trinity of pollutants: SO x (sulfur oxides), NO x (nitrogen oxides), and CO x (carbon oxides). These chemical thugs don't just hang around street corners—they ascend to the atmosphere, wreaking havoc on our ozone and climate. It's basically a drive-by shooting aimed at the stratosphere. Your car's check engine light isn't a suggestion; it's a hostage negotiation situation.