能量转换的热力学教学：斯特林发动机实验
Thermodynamics education for energy transformation: a Stirling Engine experiment
摘要：
我们提出了一个热力学实验，适合一年级的本科生采用斯特林发动机，以创建一个示范的能量转换，并测量这种发动机的机械效率。使用一个便宜的透明腔斯特林发动机，学生可以连接的概念，如理论压力-体积图与发动机的活塞的物理运动和由此产生的有用的输出工作的纺车。我们发现大多数学生成功地完成了这个实验，获得了与作者进行实验时相似的结果。除了核心热力学课程外，该实验还包含直流电路、示波器和数据分析，因此可以将其整合到更广泛的本科物理课程中，以结合多学科教学。
英文摘要：
We present a thermodynamics experiment suitable for first year undergraduate students employing Stirling Engines to create a demonstration of energy transformation and to measure the mechanical efficiency of such engines. Using an inexpensive transparent chambered Stirling Engine, students can connect concepts such as the theoretical pressure-volume diagram with the physical movements of the engine's pistons and the resultant useful output work of a spinning wheel. We found the majority of students successfully complete this experiment obtaining results similar to when performed by the authors. In addition to the core thermodynamics lesson, this experiment incorporates DC circuits, oscilloscopes, and data analysis so it can be integrated into a wider undergraduate physics course to combine the teaching of multiple subjects.
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