Low order multidisciplinary optimisation of counter-rotating open rotors

dc.contributor.author Smith, D.A.
dc.contributor.author Filippone, A.
dc.contributor.author Bojdo, N.
dc.date.accessioned 2021-03-04T15:52:30Z
dc.date.available 2021-03-04T15:52:30Z
dc.date.issued 2018
dc.description.abstract A recent renewed interest in CROR propulsion demands the need for suitable design and analysis tools. As an unconventional propulsion system, a multidisciplinary analysis should be made at the preliminary design stage in order to fully evaluate a designs suitability across a number of domains. To address this, this contribution presents a number of low order models ideally suited for the preliminary design stage. Low order models for the evaluation of aerodynamic, acoustic and structural performance are presented. Following this, a multi-objective optimisation is carried out. Suitable objective functions are presented to evaluate the performance over a number of flight phases. Using these, a number of designs are presented for take-off only, cruise only, and combined take-off and cruise. These designs are shown to be of greater performance with respect to a baseline design. The work presented highlights the potential of the low order models and optimisation routine as a preliminary design and analysis tool for CROR propulsion.
dc.identifier.other 38 - Low Order Multidisciplinary Optimisation of Counter-Rotating Open Rotors.pdf
dc.identifier.uri http://hdl.handle.net/20.500.11881/3949
dc.language.iso en
dc.title Low order multidisciplinary optimisation of counter-rotating open rotors
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