TY  - RPRT
TI  - Virtual refrigerant charge sensor for variable-speed heat pumps based on feature selection
AU  - Liang, Chenjiyu
AU  - Guo, Fangzhou
AU  - Kim, Donghun
AU  - Hlanze, Philani
AU  - Cai, Jie
PY  - 2026
DO  - 10.1016/j.applthermaleng.2026.130290
UR  - https://www.osti.gov/biblio/3484959
ID  - 3484959
ER  -