...Proceedings of the ASME 2024 International Mechanical Engineering Congress and Exposition IMECE2024 November 17-21, 2024, Portland, Oregon IMECE2024-145247 EVALUATING THE AERODYNAMICS OF A ROOFTOP GREENHOUSE Cailin van Ginkel1, Sunita Kruger2, Leon Pretorius3 1,2,3University of Johannesburg...

... aerodynamics bio-inspired fluid-structure interaction Abstract This project sought to reduce resistive drag forces on complex bodies through the implementation of biologically inspired surface textures. We accomplished this by investigating the effects of riblets on drag forces for flow...

... 1Jade University of Applied Sciences, Wilhelmshaven, Germany ABSTRACT In wall-bounded flows, to which most technical applications belong, viscous drag restricts the aerodynamic efficiency. Riblets, functional surface structures inspired by the dermal denticles of fast swimming sharks, are capable...

... vibration fluid-structure interaction aerodynamics dielectric elastomer finite element angle of attack Abstract The electroactive polymer is a class of smart material undergoing mechanical deformation when subjected to electric excitation. They have great potential for proper control...

... will point out that further improvements are hardly feasible as manufacturable riblet dimensions, especially the riblet tip width, are limited by laser-physical and process-related restrictions. aerodynamics bio inspired design computational fluid dynamics laser processes modeling and simulation...

... Abstract Obtaining aerodynamic forces and moments about all three orthogonal axes for arbitrary shapes at arbitrary orientations in a fast manner via a measurement technique specific to Cal Poly’s low-speed wind tunnel to continually obtain the forces and moments under quasi-steady conditions...

... unmanned aerial vehicle designs. The objective of this study is to computationally evaluate the aerodynamic characteristics and response of the dielectric elastomer material, VHB 4910. The result from this analysis validates the experimental aerodynamic responses from the material’s wind tunnel testing...

..., Macro Fiber Composites (MFC) can be used as an actuator to change the shape of aircraft wing to enhance aerodynamic performance and hence, application of MFC for wing morphing design has become popular throughout these years. The purpose of this research work is to depict the recent progress...

... of data to begin developing a robust mathematical model for the effect of normalized rotor separation on thrust. computational fluid dynamics engineering education aerodynamics aerospace applications fluid-structure interaction design of innovative devices/design of machine elements...

... and aerodynamics of the dielectric elastomer membrane both computationally and experimentally. An electroactive membrane, VHB 4910, is considered the specimen, and the conductive material of carbon grease is used as an insulator on both surfaces of the membrane. Finite element models are developed to compute...

... can affect the drag performance of a tire. For further studies, a more detailed analysis on drag optimization can be conducted for the rim protector cross sectional geometry. CFD tire drag aerodynamics rim protector Proceedings of the ASME 2022 International Mechanical Engineering...

... Harris, Emma San Martin, Dennis Kirby, Richard Melnyk, Nathan Humbert United States Military Academy, West Point, NY ABSTRACT Flight and aerodynamics laboratory experiences have supported the aeronautical engineering courses in the United States Military Academy s mechanical engineering program for over...

.... However, longer blades require thicker root at the inboard section to counteract the bending load and this thicker root at the inboard section of the large wind turbine blades lower the blades aerodynamic efficiency. This loss of aerodynamic efficiency prevents these longer wind turbine blades from being...

... to an electrical input. In this study, a specimen of a hyperplastic elliptic DE membrane is considered to observe the structural dynamics and aerodynamic characteristics under external flow of air subjected to electric excitation. For the structural dynamic characteristics, a finite element model of the membrane...

... the future product. It also concludes that the CAA approach can be considered as a potential cost-effective tool in the early product development process for a better product design. CAA CFD humidification modelling acoustic finite element model aerodynamics CPAP device sound measurements...

... at Ma = 1.2, but no acceptable match at Ma = 0.6 and 0.9. aerodynamics supersonic flows CFD Proceedings of the ASME 2021 International Mechanical Engineering Congress and Exposition IMECE2021 November 1-5, 2021, Virtual, Online IMECE2021-69769 NUMERICAL INVESTIGATION AND VALIDATION OF JET...

... Abstract Aerodynamic design of a forebody geometry has a significant effect on aircraft performance and stability. Although the studies conducted on aircraft performance so far, mostly, focus on optimization of wing-like structures, the contribution coming from an effective forebody design...

... drone design and configuration approaches carried out by several research groups in the last two decades. We also briefly layout the main challenges related to the lift generation problem for a Mas rotorcraft. Keywords: Mars; rotorcraft; airfoil; aerodynamics; aircraft; optimization; CFD NOMENCLATURE L...

... Abstract Frisbee is a popular item for both entertainment and professional sport. The aerodynamics study of the frisbee is crucial to understand its movement and optimize its design. In this paper, I used basic fluid analysis to investigate the effects of parameters on the flying trajectory...

...CONTROLLING DRAG AND DOWN FORCES ON A VEHICLE SIDE-VIEW MIRROR BY APPLYING VORTEX GENERATOR DESIGNS ON THE BOTTOM SURFACE Zulong Dong1, Badih Jawad, Liping Liu, Hossam Metwally Lawrence Technological University Southfield, MI ABSTRACT Side-view mirrors impact the aerodynamic performance...