1. Azzola, J., Humphrey, J. A. C., Iacovides, H. and Launder, B. E., 1986, “Developing Turbulent Flow in a U-bend of Circular Cross Section: Measurement and Compu tation,”J. Fluid Eng., Vol. 108, pp. 214–221.
2. Champagne, F. H., Sleicher, C. A. and Wehrmann, O. H., 1967, “Turbulence Measurements with Inclined Hot-Wire,”J. Fluid Mech., Vol. 28, part 1, pp. 153–175.
3. Chang, S. M., Humphrey, J.A.C. and Modavi, A., 1983, “Turbulent Flow in a Strongly Curved U-Bend and Downstream Tangent of Square Cross-Sections,” PysicoChemical hydrodynamics, Vol. 4, No. 3, pp. 243–269.
4. Choi, Y. D., Iacovides, H. and Launder, B. E., 1989, “Numerical Computation of Turbulent Flow in a Square-Sectioned 180 Deg Bend,” Transaction of ASME, J. of Fluids Engineering, Vol. 111, pp. 59–68.
5. Choi, Y. D., Kim, S. S. and Humphrey, J. A. C., 1997, “Modeling Turbulent Flow in a 180° Bend of Circular Cross Section,” Transport Phenomena in Thermal Science and Process Engineering, Koyto, Japan: November 30-December 3, pp. 127–132.