@conference{66781, author = {Piotr Domanski and Christian Hermes}, title = {An Improved Correlation for Two-phase Pressure Drop of R-22 and R-410A in 180° Return Bends}, year = {2006}, month = {2006-12-01}, publisher = {11th Brazilian Congrress of Thermal Sciences and Engineering - ENCIT 2006, Curitiba, BR}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=861657}, language = {en}, }