Dr. Jiacheng Xie is a Research Engineer in the School of Aerospace Engineering at the Georgia Institute of Technology. He works in the Propulsion and Energy Division within the Aerospace Systems Design Laboratory (ASDL) and supports research efforts in other divisions as needed. In his current position, Dr. Xie is the technical lead for research teams in the fields of Electrified Aircraft Propulsion (EAP) modeling, distributed hybrid-electric aircraft design, sustainable aviation concepts, and certification and safety assessment for novel propulsion and aircraft systems. His research interests include aircraft conceptual design, multidisciplinary design optimization, flight performance and safety analysis, and aircraft airworthiness certification.

  • Doctor of Philosophy, Aerospace Engineering, 2023, Georgia Institute of Technology, Atlanta, GA - USA
  • Master of Science, Computational Science & Engineering, 2023, Georgia Institute of Technology, Atlanta, GA - USA
  • Master of Science, Aerospace Engineering, 2018, Georgia Institute of Technology, Atlanta, GA - USA
  • Bachelor of Engineering, Aeronautical Engineering, 2016, Beijing University of Aeronautics & Astronautics, Beijing, China

Systems Analysis Support for the Electrified Powertrain Flight Demonstration Program (Sponsor: NASA)

  • Role: Technical Lead
  • Project overview: Developed two parallel hybrid-electric propulsion architectures and infused into three parametric turboprop aircraft models. Performed vehicle-level design space exploration to evaluate the potential of MW-class EAP systems in revitalizing the regional and thin-haul aircraft markets.

ASCENT Project 64 - Alternative Design Configurations to Meet Future Demand (Sponsor: FAA)

  • Role: Technical Lead
  • Project overview: Determined the efficiency opportunity if the fleet operates with resized single-aisle aircraft with a shorter design range and reduced Mach number that are closer to current day-to-day flight patterns. Explored the physics-based limitations of efficiency for various propulsion architectures considered for future advanced concept aircraft.

ASCENT Project 82(A) - Modeling of the Committee on Aviation Environmental Protection Stringency Analysis (Sponsor: FAA)

  • Role: Technical Lead
  • Project overview: Resized four classes of turbofan transport aircraft with projected 2030-2050 technologies and performed multi-objective optimization studies to investigate the interdependencies between noise and carbon dioxide emissions as well as the costs associated with their mitigation.

Model-Based Aircraft Certification (Sponsor: NASA)

  • Role: Technical Lead
  • Project overview: Proposed a model-centric methodology for normal category aircraft type certification process and developed a Model-Based Systems Engineering (MBSE) framework for certification plan management and identifying gaps in regulatory architectures in certifying novel technologies.

Reliability and Safety Assessment of Urban Air Mobility Concept Vehicles (Sponsor: NASA)

  • Role: Technical Contributor
  • Project overview: Developed aircraft system schematics and conducted Functional Hazard Assessment (FHA) and Failure Modes and Effects Criticality Analysis (FMECA) for e-VTOL vehicles.

Model-Based Systems Engineering (MBSE) Enabled Overall Aircraft Design (Sponsor: Airbus)

  • Role: Technical Contributor
  • Project overview: Established parametric geometry and aerodynamic models for a research aircraft to support the demonstration of MBSE-enabled multidisciplinary design optimization. Developed SysML models for aircraft certification requirement management to support the MBSE-enabled aircraft conceptual design.

Thesis

  1. Xie, J. (2023). Incorporating Airworthiness Certification Requirements into Unconventional Transport Aircraft Conceptual Design and Optimization (Doctoral dissertation, Georgia Institute of Technology). Link to PDF

Journal Papers

  1. Xie, J., Cai, Y., Sarojini, D., Harrison, E. D., & Mavris, D. N. (2023). Certification-Constrained Vertical Tail Sizing and Power Split Optimization for Distributed Electric Propulsion Aircraft. Journal of Aircraft, 1-18.
  2. Xie, J., Sarojini, D., Cai, Y., Corman, J. A., & Mavris, D. N. (2022). Certification-Driven Platform for Multidisciplinary Design Space Exploration in Airframe Preliminary Design. Journal of Aircraft, 59(2), 329-349.

Conference Papers

  1. Xie, J., Bendarkar, M. V., Cai, Y., & Mavris, D. N. (2023). Revisiting “Critical-Engine-Inoperative” Conditions for Distributed Hybrid-Electric Aircraft. In AIAA AVIATION 2023 Forum (p. 3608).
  2. Xie, J., Harrison, E., & Mavris, D. N. (2023). Quantifying Impacts of Uncertainties on Certification-Driven Design. In AIAA AVIATION 2023 Forum (p. 4194).
  3. Cai, Y., Xie, J., Brooks, J., Gladin, J. C., & Mavris, D. N. (2023). System-Level Design Space Exploration of a Parallel Hybrid Propulsion System for a Regional Short Takeoff and Landing Turboprop Aircraft. In AIAA AVIATION 2023 Forum (p. 4503).
  4. Cai, Y., Pastra, C. L., Xie, J., Thind, J. K., Monjon, M. M., Gladin, J. C., & Mavris, D. N. (2023). System-level Trade Study of Hybrid Parallel Propulsion Architectures on Future Regional and Thin Haul Turboprop Aircraft. In AIAA SCITECH 2023 Forum (p. 0838).
  5. Xie, J., Cai, Y., Sarojini, D., Harrison, E., & Mavris, D. N. (2022). Vertical Tail Sizing and Power Split Optimization for the PEGASUS Concept Considering Certification Requirements. In AIAA AVIATION 2022 Forum (p. 3204).
  6. Cai, Y., Xie, J., Cinar, G., & Mavris, D. N. (2022). Advanced 2030 Turboprop Aircraft Modeling for the Electrified Powertrain Flight Demonstration Program. In 2022 IEEE Transportation Electrification Conference & Expo (ITEC) (pp. 664-669). IEEE.
  7. Xie, J., Cai, Y., Chen, M., & Mavris, D. N. (2021). A Multi-Fidelity Aerodynamic Analysis Method for Transonic Transport Aircraft Conceptual Design and Mission Analysis. In AIAA Aviation 2021 Forum (p. 2433).
  8. Cai, Y., Xie, J., Harrison, E., & Mavris, D. N. (2021). Assessment of Longitudinal Stability-and-Control Characteristics of Hybrid Wing Body Aircraft in Conceptual Design. In AIAA AVIATION 2021 FORUM (p. 2448).
  9. Bendarkar, M. V., Xie, J., Briceno, S. I., Harrison, E. D., & Mavris, D. N. (2020). A Model-Based Aircraft Certification Framework for Normal Category Airplanes. In AIAA Aviation 2020 Forum (p. 3096).
  10. Xie, J., Harrison, E. D., & Mavris, D. N. (2020). Differential Dynamic Programming to Critical-Engine-Inoperative Takeoff Certification Analysis. In AIAA AVIATION 2020 FORUM (p. 2641).
  11. Xie, J., Chakraborty, I., Briceno, S. I., & Mavris, D. N. (2019). Development of A Certification Module for Early Aircraft Design. In AIAA Aviation 2019 Forum (p. 3576).
  12. Xie, J., Cai, Y., Chen, M., & Mavris, D. N. (2019). Integrated Sizing and Optimization of Hybrid Wing Body Aircraft in Conceptual Design. In AIAA Aviation 2019 Forum (p. 2885).
  13. Bleu-Laine, M. H., Bendarkar, M. V., Xie, J., Briceno, S. I., & Mavris, D. N. (2019). A Model-Based System Engineering Approach to Normal Category Airplane Airworthiness Certification. In AIAA Aviation 2019 Forum (p. 3344).