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Aerospace, Volume 6, Issue 8 (August 2019)
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Cover Story (view full-size image) Thermodynamic cycle analysis tools play a critical role in evaluating the performance of gas [...] Read more. Thermodynamic cycle analysis tools play a critical role in evaluating the performance of gas turbine engines, but they have traditionally been used as stand-alone codes. As propulsion systems become more integrated with the vehicle design, the propulsion models need to become more integrated as well. This research developed a new cycle analysis library, called pyCycle, to enable multidisciplinary gradient-based design optimization of engines for these new vehicle concepts. pyCycle provides efficient analytic derivatives for propulsion models built with it, leading to seven times faster optimization compared to existing tools. View this paper.