1. A determination method of defrosting start time with frost accumulation amount tracking in air source heat pump systems. (5th February 2021) Authors: Chung, Yoong; Na, Sun-Ik; Yoo, Jin Woo; Kim, Min Soo Journal: Applied thermal engineering Issue: Volume 184(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗