1. Department of Mechanical and Aerospace Engineering, UCLA, 32-135 Eng. IV, 420 Westwood Plaza, Los Angeles, CA 90095, USA,
2. Department of Mechanical and Aerospace Engineering, UCLA, 32-135 Eng. IV, 420 Westwood Plaza, Los Angeles, CA 90095, USA
3. NASA-Dryden Flight Research Center, Edwards, CA 93523, USA