@article{Manglik_2001 author = {Raj M. Manglik and S. Maramraju and Arthur E. Bergles}, title = {The Scaling and Correlation of Low Reynolds Number Swirl Flows and Friction Factors in Circular Tubes with Twisted-Tape Inserts}, journal = {Journal of Enhanced Heat Transfer}, issn = {1065-5131}, year = {2001}, volume = {8}, number = {6}, pages = {383--395} }