- .Song Yulong; Cao Feng.Investigation of the Optimal Intermediate Water Temperature in a Combined R134a and Transcritical CO2 Heat Pump for Space Heating,2017
- .Song Yulong;Cao Feng.Investigation on the adaptivity of the Transcritical CO2 Refrigeration System with a capillary,2017
- .Yulong Song, Jing Wang, Feng Cao, Pengcheng Shu, Xiaolin Wang.Experimental investigation on a capillary tube based transcritical CO2 heat pump system,2017
- .Xiang Yin, Feng Cao, Shengchen Pan, Yulong Song, Jiyou Fei, Xiaolin Wang.Numerical investigation on screw rotor deformation and influence on volumetric efficiency of the twin-screw multiphase pump,2017
- **,油气混输增压过程的热力学研究,国家自然科学基金项目,2008-1~,纵向项目
- **,水下双螺杆油气混输泵研究开发,“863”高科技项目,2008-1~,纵向项目
- **,原油加热用防爆型高温水源热泵研究开发,横向,2007-10~,横向项目
- **,跨临界CO2热泵及其压缩机研究与开发,“863”高科技项目,2007-1~,纵向项目