Hanlong Wan Awarded Bronze Medal in IEA Global Student Video Competition

Hanlong Wan was awarded the Bronze medal in the Global Student Video competition at the 13^th International Energy Agency Heat Pump Conference.

“I am highly honored to receive this award, which encourages me to continue contributing to the heat pump and AC industry,” he said. “I want to thank the Air Solution R&D Laboratory at LG Electronics for supporting my project and my deep gratitude goes to CEEE for providing me with a very stimulating research atmosphere and Prof. Hwang for his consistent guidance.”

The goal of the video competition aims to exchange creative ideas and relevant knowledge on the topics such as heat pump application, environmental issues, energy, or what students do in the laboratory.

Wan’s video submission shows the field test of a Variable Refrigerant Flow (VRF) system at the UMD campus. The test data is presented in the video. Large-data-analysis tools and machine-learning-based algorithms are leveraged to model, analyze, and improve the system.

Wan conducted numerous field tests for VRF systems in an office building, comparing the quasi-steady-state metrics and time-average metrics in different time scales. Then, coopering with LG Electronics, he applied the various controls to the same VRF system and compared their dynamic performance, energy efficiency, and thermal comfort in the experiments. In addition, he built a ten-year database for the tested building and developed multiple data-driven models using the database. Finally, he compared Recurrent Neural Network, Convolutional Neuronal Network, and other machine-learning-based algorithms handling extensive data and optimized the parameters settings considering the cost, uncertainty, and accuracy.

Published May 27, 2021