1. Department of Mechanical, Aerospace, and Biomedical Engineering, University of Tennessee (UT) Space Institute, UT, Knoxville, TN 37388, USA.
2. Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.
3. National Renewable Energy Laboratory, Golden, CO 80401, USA.
4. Department of Mechanical, Aerospace, and Biomedical Engineering, UT, Knoxville, TN 37996, USA.