# Modeling and experimental analysis of the solar radiation in a CO2 direct-expansion solar-assisted heat pump

> Research article (Applied Thermal Engineering, 2018) · cited 50× · AI/ML

**Wikidata**: [openalex:W2900620774](https://www.wikidata.org/wiki/openalex:W2900620774)  
**Source**: https://4ort.xyz/entity/modeling-and-experimental-analysis-of-the-solar-radiation-in-a-co2-direct-expansion-solar-assisted-heat-pump