TY  - RPRT
TI  - Virtual refrigerant charge sensing algorithm for residential CO₂ heat pumps
AU  - Guo, Fangzhou [Lawrence Berkeley National Laboratory (LBNL)]
AU  - Liang, Chenjiyu [Lawrence Berkeley National Laboratory (LBNL)]
AU  - Kim, Donghun [Lawrence Berkeley National Laboratory (LBNL)]
AU  - Shen, Bo [ORNL] (ORCID:0000000336600393)
AU  - Hu, Yifeng [ORNL] (ORCID:0000000242875185)
PY  - 2026
DO  - 10.1016/j.applthermaleng.2026.132139
UR  - https://www.osti.gov/biblio/3451240
ID  - 3451240
ER  -