A study of transcritical carbon dioxide flow through adiabatic capillary tubes

Modified neural network correlation of refrigerant mass flow rates through adiabatic capillary and short tubes: Extension to CO2 transcritical flow

“…Zhang and Yang (2005) developed a two-fluid model to simulate the flow characteristics of supercritical CO 2 through the short tube orifices. Madsen et al (2005), Cecchinato et al (2008), Da Silva et al (2008) and Hermes et al (2008) presented different numerical models for supercritical CO 2 through capillary tubes. Agrawal and Bhattacharyya (2008) compared the transcritical CO 2 heat pump performance of using capillary tubes and expansion valves.…”