1. Eschenbacher, J. F., Joko, M., Nakabe, K. and Suzuki, K., Visualization of Drag Reducing Flow Disturbed by a Vortex Generator, Proceeding of the 36th National Heat Transfer Symposium of Japan (Kumamoto, Japan), (1999), Vol. 3, 549–550.
2. Eschenbacher, J. F., Joko, M., Nakabe, K., and Suzuki, K., Characteristics of Longitudinal Vortices Generated in Drag-reducing Flows, to appear in International Journal of Transport Phenomena (2001).
3. Gyr, A. and Bewersdorff, H. W., Drag Reduction of Turbulent Flows by Additives, (1995), 5–6, Kluwer Academic Publisher, Dodtrecht, Netherlands.
4. Kawaguchi, Y., Daisaka, H., Yabe, A., Hishida, K. and Maeda, M., Turbulent Characteristics in Transition Region of Dilute Surfactant Drag Reducing Flows, Proceedings of the 11th Symposium on Turbulent Shear Flows (Grenoble, France), (1997), Vol. 1, P1-49–P1-54.
5. Tiggelbeck, St., Mitra, N. K. and Fiebig, M., Experimental Investigations of Heat Transfer Enhancement and Flow Losses in a Channel with Double Rows of Longitudinal Vortex Generators, Int. J. Heat and Mass Transfer, 26–9 (1993), 2327–2337.