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首页> 外文期刊>Journal of Heat Transfer >Hands-On Workshops to Assist in Students' Conceptual Understanding of Heat Transfer
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Hands-On Workshops to Assist in Students' Conceptual Understanding of Heat Transfer

机译：动手研讨会，帮助学生对传热的概念理解

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摘要

A two-year study was conducted to engage undergraduate mechanical engineering students to approach heat transfer education in an active, hands-on manner and excite them to pursue research and graduate studies in the field. Physical workshops were designed and implemented into junior level heat transfer classes, allowing students to feel and observe heat transfer using heat flux and temperature sensors that provided real-time data. These instruments, coupled with open-ended, challenge-based pedagogy, provided opportunities for students to explore important heat transfer concepts, such as the differences between heat and temperature. The conceptual knowledge of the students was assessed through concept-specific questions. These results were compared to those of a control group who took the traditional lecture without the workshops. The results yielded significantly higher scores for the experimental group in the first year but much less of a difference in the second year, which added video-enhanced workshops in place of the purely hands-on workshops. In addition to concept questions, surveys taken by the students reveal that the students much preferred the workshops in either form over not having them. They also believed the workshops strongly enhanced their learning by giving them a real, hands-on experience.
机译：进行了为期两年的研究，以吸引机械工程专业的本科生以积极，动手的方式进行传热教育，并激发他们从事该领域的研究和研究生学习。设计了物理讲习班并将其实施为初级传热课程，使学生能够使用提供实时数据的热通量和温度传感器来感受和观察传热。这些工具与不限成员名额，基于挑战的教学法相结合，为学生提供了探索重要传热概念的机会，例如热量和温度之间的差异。通过概念特定问题评估了学生的概念知识。将这些结果与对照组进行了比较，对照组没有进行传统的讲习班。结果在实验组的第一年中获得了明显更高的分数，但在第二年中却没有太大的差异，这增加了视频增强的研讨会，代替了纯粹的动手研讨会。除了概念问题外，学生进行的调查还显示，与没有培训班相比，学生更喜欢采用任何一种形式的培训班。他们还认为，研讨会通过给他们真实的动手经验，极大地增强了他们的学习能力。

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