Arwizet Karudin, Desmarita Leni, Remon Lapisa, Yuda Perdana Kusuma
Students often face difficulties in understanding abstract concepts in thermodynamics, such as thermal system efficiency, temperature distribution, and inter-variable interactions in thermal phenomena. These challenges are compounded by traditional teaching methods, which typically rely only on text and mathematical calculations. This research aims to develop a lab data-based visualization model to enhance students' understanding of thermodynamics concepts. The model utilizes experimental data collected by Mechanical Engineering students at Universitas Negeri Padang on various instructional apparatus, including steam power plants, internal combustion engines, wind turbines, and crank mechanisms, gathered between 2022 and 2024. This visualization model includes several key features: a CRUD-based data storage system using Pymongo, 2D data visualization with Pygwalker, 3D visualizations in contour and surface diagrams, correlation analysis using heatmaps, and machine learning-based predictions with PyCaret. Evaluation results indicate that this model significantly improves students' comprehension of abstract thermodynamics concepts. Based on assessments from four thermodynamics expert lecturers, the information accuracy aspect received an average score of 4 (Good), visualization quality received an average score of 4.25 (Very Good), and ease of use received the highest average score of 4.5 (Very Good). The relevance of the model to learning objectives received an average score of 3.75, slightly below the Good category, indicating room for improvement in terms of educational relevance. Overall, this research demonstrates that integrating EDA and machine learning through the developed visualization model is effective in supporting more interactive and data-driven thermodynamics learning, aligned with the needs of education in the digital era. © Little Lion Scientific.
Department of Mechanical Engineering, Faculty of Engineering, Universitas Negeri Padang, Indonesia; Departement of Mechanical Engineering, Faculty of Engineering, Universitas Muhammadiyah Sumatera Barat, Indonesia; IJIMCE, Faculty of Engineering, Universitas Negeri Padang, Indonesia
