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Researchers in the aerospace department are using the Iowa State University Icing Research Tunnel to understand how ice builds up on aircraft wings and wind turbine blades. The tunnel is one of only a few wind tunnels in the country and the only one on a university campus. Hui Hu, professor of aerospace engineering, will use the tunnel as part of a $663,000 grant from NASA to study icing of aircraft wings, a $360,000 grant form the NSF to study icing of wind turbine blades, and a $20,000 seed grant from Iowa State’s Institute for Physical Research and Technology to develop new technology to study aircraft icing.