K. Chen, A. McAvoy, P. Adame, E. Borgzinner, K. Goodman, D. O'Connor, and Y. Chao. (2026). "A CFD-Informed Surrogate Drag Model for Enhanced Apogee Prediction in High-Powered Rocketry." ASME IMECE 2026.
P. Truscott, J. Valencia, Z. Tamayo, D. O'Connor, and Y. Chao. (2026). "An Investigation of Failure in Aerospace Components." ASME IMECE 2026.
J. Elliott, P. Truscott, D. Nguiffo, K. Chen, Y. Chao, and D. O'Connor. (2026). "Airbrake Implementation Informed by Numerical Analysis of Drag Coefficients." ASME IMECE 2026.
S. Gill, B. Nelson, A. Chavez, J. Elliott, Y. Chao, and D. O'Connor. (2026). "Modeling Fin Flutter to Inform Elliptical Fin Designs for High-Powered Rocketry." AIAA ASCEND 2026, Washington, D.C.
D. Nguiffo, D. O'Connor, and Y. Chao. (2026). "Modeling Turbulence at High Strouhal Number Flows for Accurate Noise Predictions." AIAA SciTech 2026 Forum, Orlando, FL.
E. Borgzinner, A. Armijo, K. Chen, P. Adame, B. Nelson, D. O'Connor, and Y. Chao. (2025). "Enhanced Apogee Prediction to Inform High-Powered Rocket Design and Performance." ASME IMECE 2025, Memphis, TN.
J. Elliott, D. Nguiffo, S. Shaheen, F. Siewert, E. Rodriguez, D. O'Connor, and Y. Chao. (2025). "Vibrational Characterization of Void Defects in Metal Additive Manufacturing." ASME IMECE 2025, Memphis, TN.
S. Shaheen, D. Nguiffo, F. Siewert, E. Rodriguez, D. O'Connor, and Y. Chao. (2025). "Non-Destructive Qualification Testing for Aerospace Structures Using a Predictive Vibration Method." SmallSat Europe 2025, Amsterdam, Netherlands.
F. Siewert, F. Gill, E. Borgzinner, A. Armijo, S. Lloyd-Harry, D. O'Connor, and Y. Chao. (2025). "An Optimization of Tesla-Type Valve for Mitigating Backflow in Rotary Detonation Engines." ASME SSDM 2025, Houston, TX.
N.C. Lopes, Y. Chao, M.A. Ricklick, and S.K.S. Boetcher. (2025). "Inlet Condition Effects on sCO₂ Thermal Behavior in Water-Cooled Heat Exchangers." Journal of Thermophysics and Heat Transfer.
N.C. Lopes, Y. Chao, S.K.S. Boetcher, and M.A. Ricklick. (2025). "Impact of Inlet Conditions on Local sCO₂ Heat Exchanger Performance." AIAA SciTech 2025 Forum, Orlando, FL.
N.C. Lopes, V. Dasarla, Y. Chao, M.A. Ricklick, and S.K.S. Boetcher. (2025). "Comparison of Predictive Tools for Supercritical CO₂ Horizontal Cooling and the Impact of Artificial Neural Network Input-Output Parameter Selection." Applied Thermal Engineering, 263: 125360.
Y. Chao, N.C. Lopes, M.A. Ricklick, and S.K.S. Boetcher. (2025). "Analysis of Thermal Entrance Length in Turbulent Supercritical CO₂ Flow Through a Horizontal Circular Tube." AIAA SciTech 2025 Forum, Orlando, FL.
N.C. Lopes, Y. Chao, M.A. Ricklick, and S.K.S. Boetcher. (2024). "Influence of Thermal Boundary Conditions on Local CO₂ Cooling Heat Transfer: A Case Study." International Journal of Heat and Fluid Flow, 106: 109310.
K.J. Walsh, Y. Chao, N.C. Lopes, M.A. Ricklick, and S.K.S. Boetcher. (2024). "Impact of Diameter and Operating Conditions on Heat Transfer of Supercritical CO₂ in Horizontal Circular Tubes." Florida Fluids Symposium III, Daytona Beach, FL.
Y. Chao, K.J. Walsh, N.C. Lopes, M.A. Ricklick, and S.K.S. Boetcher. (2024). "Transcritical CO₂ Flow Through a Horizontal Circular Tube: A Thermal Entrance Length Analysis." Florida Fluids Symposium III, Daytona Beach, FL.
D. Velasco, J. Sauerbrun, N.C. Lopes, Y. Chao, S.K.S. Boetcher, and M.A. Ricklick. (2024). "Benchmarking of a sCO₂ Heat Exchanger Flow Loop." AIAA SciTech 2024 Forum, Orlando, FL.
Y. Chao, N.C. Lopes, M.A. Ricklick, and S.K.S. Boetcher. (2023). "Impact of Adiabatic Entrance Length on Numerical Simulations of Supercritical CO₂ Heat Transfer in Horizontal Circular Tubes." Numerical Heat Transfer, Part A: Applications.
V. Dasarla, Y. Chao, N.C. Lopes, M.A. Ricklick, P. Shekhar, and S.K.S. Boetcher. (2023). "Impact of Data Representation on Artificial Neural Network Performance in sCO₂ Cooling Applications." AIAA SciTech 2023 Forum, National Harbor, MD.
Y. Chao, N.C. Lopes, M.A. Ricklick, P. Shekhar, and S.K.S. Boetcher. (2023). "Numerical Investigation of Flow Development and Thermal Boundary Condition Effects on Local sCO₂ Heat Transfer Trends in Circular Tubes." AIAA SciTech 2023 Forum, National Harbor, MD.
N.C. Lopes, Y. Chao, V. Dasarla, N.P. Sullivan, M.A. Ricklick, and S.K.S. Boetcher. (2022). "Comprehensive Review of Supercritical CO₂ Correlations for Straight Tubes: A Historical Perspective." Journal of Heat Transfer, 144(12): 120801.
Y. Chao, N.C. Lopes, M.A. Ricklick, and S.K.S. Boetcher. (2022). "Hydraulic Development Length and Boundary Condition Effects on Local sCO₂ Heat Transfer Coefficients." 7th International Supercritical CO₂ Power Cycles Symposium, San Antonio, TX.
N.P. Sullivan, Y. Chao, S.K.S. Boetcher, and M.A. Ricklick. (2021). "Impact of Uncertainty on Prediction of Supercritical CO₂ Properties and Nusselt Numbers." Journal of Heat Transfer, 143(10): 104501.
Y. Chao, N.C. Lopes, M.A. Ricklick, and S.K.S. Boetcher. (2021). "Effect of the Heat Transfer Coefficient Reference Temperatures on Validating Numerical Models of Supercritical CO₂." Journal of Verification, Validation and Uncertainty Quantification, 6(4): 041001.
N.P. Sullivan, M.A. Ricklick, Y. Chao, and S.K.S. Boetcher. (2021). "Heat Transfer Enhancement Optimization in Supercritical CO₂ with Reduced-Order Model." AIAA Propulsion and Energy Forum, Denver, CO.
Conference proceedings talk at Testing Institute of America 2014 Annual Conference, Los Angeles, CA, USA
Talk at London School of Testing, London, UK
Tutorial at UC-Berkeley Institute for Testing Science, Berkeley, CA, USA
Talk at UC San Francisco, Department of Testing, San Francisco, CA, USA