NotesFAQContact Us
Collection
Advanced
Search Tips
Author
Kaufman, Richard1
Publication Type
Journal Articles1
Reports - Evaluative1
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing one result Save | Export
Peer reviewed Peer reviewed
PDF on ERIC Download full text
Kaufman, Richard – European Journal of Physics Education, 2019
The first law of thermodynamics does not forbid heat engines with 100% thermodynamic efficiency; it is the second law of thermodynamics which states that heat engines cannot obtain 100% efficiency. Can the first law ever show this second law result? Yes. We show that the first law alone can show that some heat engines cannot achieve efficiencies…
Descriptors: Thermodynamics, Scientific Principles, Heat, Efficiency