1. IIHR-Hydroscience & Engineering, The University of Iowa, Iowa City, IA, USA
2. IIHR-Hydroscience and Engineering, 100 C. Maxwell Stanley Hydraulics Laboratory, The University of Iowa, Iowa City, IA 52242-1585, USA
3. IIHR-Hydroscience and Engineering, The University of Iowa, Iowa City, IA, USA
4. Applications Engineering and Balance of Plant Mechanical Equipment, American Electric Power Inc., Columbus, OH, USA
5. Electric Power Research Institute, Palo Alto, CA, USA