A recent study led by Chinese scientists has challenged the hundreds-of-year-old myth that a heat engine can achieve both ...

The Carnot cycle is the gold standard for heat engine efficiency, defining the maximum theoretical performance possible between two temperatures. While no real engine can reach this limit due to ...

A study published in Physical Review Letters (PRL) details a "Gambling Carnot Engine" that researchers report can attain 100% efficiency while also improving power generation. The researchers present ...

This has been discussed before on Ars, such as at https://arstechnica.com/civis/threa...ost-efficient-heat-pump-in-the-world.1501605/, and https://arstechnica.com ...

This study was led by Prof. Xiaoqing Gao (Northwest Institute of Eco-Environment and Resources， Chinese Academy of Sciences) and Prof. Yaoming Ma (Institute of Tibetan Plateau Research, Chinese ...

Dutch startup BlueHeart Energy is testing its thermoacoustic heat pump engine in residential settings, with a limited European launch expected in spring 2027, followed by gradual scaling. The system ...

Formula 1 cars have some excellent thermal efficiency, with even the best mainstream cars just scraping under their potential. But why is that?

(brief explanation) the monthly variation in the atmospheric heat engine efficiency on the QTP for May to September from 2000 to 2020. The atmospheric heat engine efficiency from May to September ...