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Zhu, Lilin; Xiang, Gang – Physics Education, 2022
We report on the study of student difficulties regarding a heat engine in the context of a Stirling cycle by the method of measurement. An in-class test about a Stirling engine with a regenerator was taken by three classes, and the students were asked to perform one of the most basic activities--calculate the efficiency of the heat engine. Our…
Descriptors: Heat, Physics, Science Instruction, Engines