How to Use heat engine in a Sentence

heat engine

noun

• Standard nuclear generators, like those powering the Mars rovers, are often bulky heat engines.
  — Mrigakshi Dixit, Interesting Engineering, 9 Feb. 2026
• According to the researchers, Carnot determined the maximum efficiency of heat engines.
  — Georgina Jedikovska, Interesting Engineering, 16 Oct. 2025
• This non-thermal heat then traveled several micrometers to a quantum-dot heat engine, a microscopic system that converts heat into electricity through quantum effects.
  — Jijo Malayil, Interesting Engineering, 12 Oct. 2025
• Fuel cells are typically more efficient and environmentally friendly than heat engines, such as the internal combustion engines that usually power cars.
  — IEEE Spectrum, 16 May 2016
• Their analysis showed that this technique could surpass both the Carnot and Curzon-Ahlborn efficiency limits, which traditionally define the maximum performance of heat engines.
  — Jijo Malayil, Interesting Engineering, 12 Oct. 2025
• That indirect pathway is fundamentally constrained by thermodynamic limits, particularly the Carnot efficiency ceiling associated with heat engines, which restricts how much of the fuel’s energy can be converted into usable electricity.
  — Bojan Stojkovski, Interesting Engineering, 26 Apr. 2026