Better Wind Farms (IMAGE) Iowa State University Caption Iowa State engineers are using wind tunnel tests to study the effects of hilly terrain and turbine placement on power production. The research team includes, left to right, Ahmet Ozbay, a graduate student of aerospace engineering; Wei Ren, a visiting student from Shanghai Jiao Tong University in China; Zifeng Yang, a former Iowa State post-doctoral research associate and now an assistant professor at Wright State University in Dayton, Ohio; Hui Hu, an associate professor of aerospace engineering; Wei Tian, a postdoctoral research associate in aerospace engineering; and Kotaro Takeshima, a visiting student from Hokkaido University in Japan. Credit Bob Elbert/Iowa State University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.