Optimising vehicle performance with advanced active aerodynamic systems

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dc.contributor.authorRijns, Steven
dc.contributor.authorTeschner, Tom-Robin
dc.contributor.authorBlackburn, Kim
dc.contributor.authorSiampis, Efstathios
dc.contributor.authorBrighton, James
dc.date.accessioned2025-06-05T14:37:06Z
dc.date.available2025-06-05T14:37:06Z
dc.date.freetoread2025-06-05
dc.date.issued2025-01-01
dc.date.pubOnline2025-05-14
dc.description.abstractThis study investigates the performance potential of advanced active aerodynamic systems on high-performance vehicles. Static and active aerodynamic configurations, including asymmetrically actuated systems, are evaluated to identify performance gains and the mechanisms driving these improvements. Vehicle performance is optimised using a minimum lap time simulation framework, which utilises a transient vehicle dynamics model and CFD-derived aerodynamic data. Results indicate that configurations with greater aerodynamic adaptability enhance acceleration, braking, cornering, and straight-line performance, yielding notable lap time reductions compared to a static aerodynamic configuration. The asymmetrically controlled aerodynamic configuration achieves the highest lap time reduction of approximately 0.92 s (0.76%) due to its ability to modulate downforce both longitudinally and laterally. Optimal control strategies show that aerodynamic elements are actuated to balance vertical tyre load shifts resulting from load transfer, prioritising downforce on underloaded tyres in demanding scenarios like braking, cornering, and acceleration. Additionally, optimal design parameters for the brake, torque and roll stiffness distributions shift rearward as configurations provide greater control of aerodynamic loads on the rear axle. Overall, this research demonstrates the performance advantages of active aerodynamic systems and offers insights into the mechanisms underlying these enhancements, establishing a foundation for further innovations in the field.
dc.description.journalNameVehicle System Dynamics
dc.format.extentpp. xx-xx
dc.identifier.citationRijns S, Teschner T-R, Blackburn K, et al., (2025) Optimising vehicle performance with advanced active aerodynamic systems. Vehicle System Dynamics, Available online 14 May 2025en_UK
dc.identifier.eissn1744-5159
dc.identifier.elementsID673342
dc.identifier.issn0042-3114
dc.identifier.issueNoahead-of-print
dc.identifier.urihttps://doi.org/10.1080/00423114.2025.2505619
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/23984
dc.identifier.volumeNoahead-of-print
dc.languageEnglish
dc.language.isoen
dc.publisherTaylor and Francisen_UK
dc.publisher.urihttps://www.tandfonline.com/doi/full/10.1080/00423114.2025.2505619
dc.relation.isreferencedbyhttps://doi.org/10.57996/cran.ceres-2742
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectActive aerodynamicsen_UK
dc.subjectperformance optimisationen_UK
dc.subjectminimum lap timeen_UK
dc.subjectoptimal controlen_UK
dc.subjectvehicle dynamicsen_UK
dc.subjectcomputation fluid dynamicsen_UK
dc.subject4007 Control Engineering, Mechatronics and Roboticsen_UK
dc.subject40 Engineeringen_UK
dc.subject4010 Engineering Practice and Educationen_UK
dc.subject7 Affordable and Clean Energyen_UK
dc.subjectAutomobile Design & Engineeringen_UK
dc.subject49 Mathematical sciencesen_UK
dc.titleOptimising vehicle performance with advanced active aerodynamic systemsen_UK
dc.typeArticle
dc.type.subtypeJournal Article
dcterms.dateAccepted2025-05-06

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