# Research on refrigerant charge determination under different compressor speed and its effects on the performance of transcritical CO2 air-conditioning heat pump system in electric vehicle

> Research article (Energy, 2024) · cited 35× · AI/ML

**Wikidata**: [openalex:W4394597512](https://www.wikidata.org/wiki/openalex:W4394597512)  
**Source**: https://4ort.xyz/entity/research-on-refrigerant-charge-determination-under-different-compressor-speed-and-its-effects-on-the-performance-of-tran