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Artykuły w czasopismach na temat „Flying wing”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Yamamoto, Tatsuya, Ryusuke Noda, Hao Liu, and Toshiyuki Nakata. "Gliding Performance of an Insect-Inspired Flapping-Wing Robot." Journal of Robotics and Mechatronics 36, no. 5 (2024): 1134–42. http://dx.doi.org/10.20965/jrm.2024.p1134.

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Flying animals such as insects and birds use wing flapping for flight, occasionally pausing wing motion and transitioning into gliding to conserve energy for propulsion and achieve high flying efficiency. In this study, we have investigated the gliding performance of a gliding model based on a flapping-wing robot developed in a previous study, with the aim of developing a highly efficient flying robot that utilizes bio-inspired intermittent flight. Wind tunnel experiments with a gliding model have shown that the attitude of the wings has a strong influence on gliding performance and that a tai

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Niu, Zhong-Guo, Xiang-Hui Xu, Jian-Feng Wang, Jia-Li Jiang, and Hua Liang. "Experiment on longitudinal aerodynamic characteristics of flying wing model with plasma flow control." Acta Physica Sinica 71, no. 2 (2022): 024702. http://dx.doi.org/10.7498/aps.71.20211425.

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Horizontal tail is eliminated from the flying wing layout for improving the low observable and aerodynamic efficiency, resulting in degrading longitudinal maneuverability and fight stability. The low speed wind tunnel test study of improving the longitudinal aerodynamic characteristics of large aspect ratio flying wing model is carried out by using plasma flow control technology. The flying wing model has a leading-edge sweep angle of 34.5° and an aspect ratio of 5.79. The reasons for deteriorating the static maneuverability and stability of the flying wing model and the mechanism of plasma co

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Ortega Ancel, Alejandro, Rodney Eastwood, Daniel Vogt, et al. "Aerodynamic evaluation of wing shape and wing orientation in four butterfly species using numerical simulations and a low-speed wind tunnel, and its implications for the design of flying micro-robots." Interface Focus 7, no. 1 (2017): 20160087. http://dx.doi.org/10.1098/rsfs.2016.0087.

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Many insects are well adapted to long-distance migration despite the larger energetic costs of flight for small body sizes. To optimize wing design for next-generation flying micro-robots, we analyse butterfly wing shapes and wing orientations at full scale using numerical simulations and in a low-speed wind tunnel at 2, 3.5 and 5 m s −1 . The results indicate that wing orientations which maximize wing span lead to the highest glide performance, with lift to drag ratios up to 6.28, while spreading the fore-wings forward can increase the maximum lift produced and thus improve versatility. We di

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Cahyadi, Danang Dwi, Supratikno, Yasmin Nadhiva Narindria, et al. "From skin folds to flight: elastic and collagen fibers architecture in the wing of the large flying fox (Pteropus vampyrus)." ARSHI Veterinary Letters 8, no. 4 (2024): 97–98. https://doi.org/10.29244/avl.8.4.97-98.

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Flight in bats is the primary mode of locomotion as they are the only flying mammals. The morphological characteristics of the wing membrane have been suggested to play an important role in its flight ability. The present study analysed the functional morphology of the wing membrane of the large flying fox (Pteropus vampyrus), focusing on the organisation of elastic and collagen fibres. In this study, we used two wild-caught adult flying foxes from West Java, Indonesia. The wing membrane tissue sections were stained using haematoxylin-eosin, Masson’s trichrome, and Verhoeff-Van Gieson staining

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Elenin, D. V. "CREATION OF AN EXPERIMENTAL CONTROL BODY (ELEVON) IN THE «FLYING WING» AERODYNAMIC SCHEME." System analysis and logistics 2, no. 28 (2021): 26–32. http://dx.doi.org/10.31799/2077-5687-2021-2-26-32.

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The article discusses the possibility of creating two schemes of an experimental control body in flight for a UAV of the "Flying Wing" scheme. The concept of creating a real prototype for an experiment in the Solidworks Flow environment and in a wind tunnel with a low incoming flow velocity is presented. Key words: wing, aerodynamic design, UAV, flying wing.

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Duda, Dominik Felix, Hendrik Fuest, Tobias Islam, and Dieter Moormann. "Flight guidance concept for the launching and landing phase of a flying wing used in an airborne wind energy system." Wind Energy Science 10, no. 4 (2025): 661–78. https://doi.org/10.5194/wes-10-661-2025.

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Abstract. Airborne wind energy (AWE) is an emerging technology that harvests energy by utilizing tethered airborne systems in wind fields. Given their favorable aerodynamic characteristics, employing flying wings as airborne systems holds considerable promise for system performance. Moreover, when designed as motorized tail sitters, they can provide vertical takeoff and landing capabilities. However, the processes of launching and landing present considerable challenges for these specialized flying wing airborne wind energy systems (AWESs). It is essential to consider the controllability at va

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PRISACARIU, Vasile. "UAV FLYING WING WITH A PHOTOVOLTAIC SYSTEM." Review of the Air Force Academy 17, no. 1 (2019): 63–70. http://dx.doi.org/10.19062/1842-9238.2019.17.1.8.

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PEPELEA, Dumitru, Marius-Gabriel COJOCARU, Adrian TOADER, and Mihai-Leonida NICULESCU. "CFD ANALYSIS FOR UAV OF FLYING WING." SCIENTIFIC RESEARCH AND EDUCATION IN THE AIR FORCE 18, no. 1 (2016): 171–76. http://dx.doi.org/10.19062/2247-3173.2016.18.1.22.

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Davenport, John. "Wing-loading, stability and morphometric relationships in flying fish (Exocoetidae) from the North-eastern Atlantic." Journal of the Marine Biological Association of the United Kingdom 72, no. 1 (1992): 25–39. http://dx.doi.org/10.1017/s0025315400048761.

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‘Four-winged’ flying fish (in which both pectoral and pelvic fins are hypertrophied) reach greater maximum sizes than ‘two-winged’ forms in which only the pectoral fins are enlarged. Exocoetus obtusirostris shows negatively allometric growth in relation to standard length in terms of body mass (b=2·981), and lateral fin area (b=1·834). In consequence, wing-loading rises in positive allometric fashion with standard length (b=l·236). Pectoral fin length cannot be greater than 78–79% of standard length or swimming will be impaired, so the requirement for increased flying speed resulting from incr

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Shyy, Wei, Chang-kwon Kang, Pakpong Chirarattananon, Sridhar Ravi, and Hao Liu. "Aerodynamics, sensing and control of insect-scale flapping-wing flight." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 472, no. 2186 (2016): 20150712. http://dx.doi.org/10.1098/rspa.2015.0712.

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There are nearly a million known species of flying insects and 13 000 species of flying warm-blooded vertebrates, including mammals, birds and bats. While in flight, their wings not only move forward relative to the air, they also flap up and down, plunge and sweep, so that both lift and thrust can be generated and balanced, accommodate uncertain surrounding environment, with superior flight stability and dynamics with highly varied speeds and missions. As the size of a flyer is reduced, the wing-to-body mass ratio tends to decrease as well. Furthermore, these flyers use integrated system cons

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11

Hong, Wei Jiang, and Dong Li Ma. "Influence of Control Coupling Effect on Landing Performance of Flying Wing Aircraft." Applied Mechanics and Materials 829 (March 2016): 110–17. http://dx.doi.org/10.4028/www.scientific.net/amm.829.110.

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As flying wing aircraft has no tail and adopts blended-wing-body design, most of flying wing aircrafts are directional unstable. Pitching moment couples seriously with rolling and yawing moment when control surfaces are deflected, bringing insecurity to landing stage. Numerical simulation method and semi-empirical equation estimate method were combined to obtain a high aspect ratio flying wing aircraft’s aerodynamic coefficients. Modeling and simulation of landing stage were established by MATLAB/Simulink. The control coupling effect on lift and drag characteristics and anti-crosswind landing

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12

Hou, Yu, and Fang Wang. "CPG-Based Movement Control for Bionic Flapping-Wing Mechanism." Applied Mechanics and Materials 226-228 (November 2012): 844–49. http://dx.doi.org/10.4028/www.scientific.net/amm.226-228.844.

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Flapping-wing flying is a kind of rhythmic movement with symmetry of time and space essentially, and this movement is generated and controlled by Central Pattern Generator (CPG). A 2-DOF flapping mechanism was designed according to the flapping-wing flying principle of insects, and the flapping-wing flying CPG model was constructed by nonlinear oscillators. The system responses were studied, and the influences of the model parameters to the system characteristics were analyzed. Through the engineering simulation of flapping-wing flying control model, the first modal vibration of the system was

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13

Xie, Liang, Han, et al. "Experimental Study on Plasma Flow Control of Symmetric Flying Wing Based on Two Kinds of Scaling Models." Symmetry 11, no. 10 (2019): 1261. http://dx.doi.org/10.3390/sym11101261.

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The symmetric flying wing has a simple structure and a high lift-to-drag ratio. Due to its complicated surface design, the flow field flowing through its surface is also complex and variable, and the three-dimensional effect is obvious. In order to verify the effect of microsecond pulse plasma flow control on the symmetric flying wing, two different sizes of scaling models were selected. The discharge energy was analyzed, and the force and moment characteristics of the two flying wings and the particle image velocimetry (PIV) results on their surface flow field were compared to obtain the foll

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14

Xin, Hua, Zhang Ji, and Ming Lei. "The Bionic Wing with Winglet in Near Space Aerodynamic Analysis." Applied Mechanics and Materials 644-650 (September 2014): 1939–42. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.1939.

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With reference to a certain type of flying drones with imitation airfoil design a seagull flat wings and on the basis of its wing tip winglet in this paper. Through to the numerical simulation of two wings, it is concluded that the bionic wing aerodynamic performance is superior to the conventional airfoil wing, after adding wing tip winglet bionic wings effectively reduced the downwash velocity, reduce the induced drag, makes the wing aerodynamic performance is improved. Provide theoretical reference for the design of the uav wing

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15

Ristroph, Leif, and Stephen Childress. "Stable hovering of a jellyfish-like flying machine." Journal of The Royal Society Interface 11, no. 92 (2014): 20130992. http://dx.doi.org/10.1098/rsif.2013.0992.

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Ornithopters, or flapping-wing aircraft, offer an alternative to helicopters in achieving manoeuvrability at small scales, although stabilizing such aerial vehicles remains a key challenge. Here, we present a hovering machine that achieves self-righting flight using flapping wings alone, without relying on additional aerodynamic surfaces and without feedback control. We design, construct and test-fly a prototype that opens and closes four wings, resembling the motions of swimming jellyfish more so than any insect or bird. Measurements of lift show the benefits of wing flexing and the importanc

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16

Yang, Xu, Xiao Yi Jin, and Xiao Lei Zhou. "Bionic Flapping Wing Flying Robot Flight Mechanism and the Key Technologies." Applied Mechanics and Materials 494-495 (February 2014): 1046–49. http://dx.doi.org/10.4028/www.scientific.net/amm.494-495.1046.

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The flapping wing flying robot is an imitation of a bird or insect like a new type of flying robots, the paper briefly outlines the current domestic and international research in the field of flapping wing flight mechanism of the progress made flapping wing flying robot design. On this basis, the current course of the study were discussed key technical issues, combined with the current research, flapping wing aircraft for the future development prospects.

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O’Callaghan, Felicity, Amir Sarig, Gal Ribak, and Fritz-Olaf Lehmann. "Efficiency and Aerodynamic Performance of Bristled Insect Wings Depending on Reynolds Number in Flapping Flight." Fluids 7, no. 2 (2022): 75. http://dx.doi.org/10.3390/fluids7020075.

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Insect wings are generally constructed from veins and solid membranes. However, in the case of the smallest flying insects, the wing membrane is often replaced by hair-like bristles. In contrast to large insects, it is possible for both bristled and membranous wings to be simultaneously present in small insect species. There is therefore a continuing debate about the advantages and disadvantages of bristled wings for flight. In this study, we experimentally tested bristled robotic wing models on their ability to generate vertical forces and scored aerodynamic efficiency at Reynolds numbers tha

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McCracken, Gary F., Kamran Safi, Thomas H. Kunz, Dina K. N. Dechmann, Sharon M. Swartz, and Martin Wikelski. "Airplane tracking documents the fastest flight speeds recorded for bats." Royal Society Open Science 3, no. 11 (2016): 160398. http://dx.doi.org/10.1098/rsos.160398.

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The performance capabilities of flying animals reflect the interplay of biomechanical and physiological constraints and evolutionary innovation. Of the two extant groups of vertebrates that are capable of powered flight, birds are thought to fly more efficiently and faster than bats. However, fast-flying bat species that are adapted for flight in open airspace are similar in wing shape and appear to be similar in flight dynamics to fast-flying birds that exploit the same aerial niche. Here, we investigate flight behaviour in seven free-flying Brazilian free-tailed bats ( Tadarida brasiliensis

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McCracken, Gary F., Kamran Safi, Thomas H. Kunz, Dina K. N. Dechmann, Sharon M. Swartz, and Martin Wikelski. "Airplane tracking documents the fastest flight speeds recorded for bats." Royal Society Open Science 3, no. 11 (2016): 160398. https://doi.org/10.5281/zenodo.14814951.

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(Uploaded by Plazi for the Bat Literature Project) The performance capabilities of flying animals reflect the interplay of biomechanical and physiological constraints and evolutionary innovation. Of the two extant groups of vertebrates that are capable of powered flight, birds are thought to fly more efficiently and faster than bats. However, fast-flying bat species that are adapted for flight in open airspace are similar in wing shape and appear to be similar in flight dynamics to fast-flying birds that exploit the same aerial niche. Here, we investigate flight behaviour in seven free-flying

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Meresman, Yonatan, and Gal Ribak. "Elastic wing deformations mitigate flapping asymmetry during manoeuvres in rose chafers (Protaetia cuprea)." Journal of Experimental Biology 223, no. 24 (2020): jeb225599. http://dx.doi.org/10.1242/jeb.225599.

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ABSTRACTTo manoeuvre in air, flying animals produce asymmetric flapping between contralateral wings. Unlike the adjustable vertebrate wings, insect wings lack intrinsic musculature, preventing active control over wing shape during flight. However, the wings elastically deform as a result of aerodynamic and inertial forces generated by the flapping motions. How these elastic deformations vary with flapping kinematics and flight performance in free-flying insects is poorly understood. Using high-speed videography, we measured how contralateral wings elastically deform during free-flight manoeuvr

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Sackey, J., B. T. Sone, K. A. Dompreh, and M. Maaza. "Wettability Property In Natural Systems: A Case of Flying Insects." MRS Advances 3, no. 42-43 (2018): 2697–703. http://dx.doi.org/10.1557/adv.2018.367.

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AbstractRecently, scientists have demonstrated that material surfaces in nature that possess special wettability properties are composed of micro- and nanostructures. In this study, we focused on the importance of surface structures in determining the wettability of wings of the flying insect species: Idea malabarica, Lucilia sericata and Chrysomya marginalis. Scanning Electron Microscopy (SEM) analysis indicates the different nano-/micro- structures identified on the wings. Surface roughness which plays a role in influencing the wettability was theoretically estimated from the SEM images. Whi

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Starr, Christopher K., Robert S. Jacobson, Joan W. Krispyn, and Joshua A. Spiers. "Caste and wing loading in a social wasp (Hymenoptera, Vespidae, Dolichovespula maculata)." Journal of Hymenoptera Research 84 (August 24, 2021): 381–90. http://dx.doi.org/10.3897/jhr.84.68800.

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Variation in wing design and wing loading according to body weight is well studied across taxa of birds and flying insects. Comparable studies have not been made in the few insects that show substantial size variation within the same phenon of a single species. We examine body measures of adults of the social wasp Dolichovespula maculata (Linnaeus, 1763), with particular attention to the limbs and wing loading. As expected, measures of the length of the legs scales isometrically with overall body weight and size. Against expectation, wing size also scales isometrically with body weight and siz

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Starr, Christopher K., Robert S. Jacobson, Joan W. Krispyn, and Joshua A. Spiers. "Caste and wing loading in a social wasp (Hymenoptera, Vespidae, Dolichovespula maculata)." Journal of Hymenoptera Research 84 (August 24, 2021): 381–90. https://doi.org/10.3897/jhr.84.68800.

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Variation in wing design and wing loading according to body weight is well studied across taxa of birds and flying insects. Comparable studies have not been made in the few insects that show substantial size variation within the same phenon of a single species. We examine body measures of adults of the social wasp Dolichovespula maculata (Linnaeus, 1763), with particular attention to the limbs and wing loading. As expected, measures of the length of the legs scales isometrically with overall body weight and size. Against expectation, wing size also scales isometrically with body weight and siz

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Johansson, L. C., and P. Henningsson. "Butterflies fly using efficient propulsive clap mechanism owing to flexible wings." Journal of The Royal Society Interface 18, no. 174 (2021): 20200854. http://dx.doi.org/10.1098/rsif.2020.0854.

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Butterflies look like no other flying animal, with unusually short, broad and large wings relative to their body size. Previous studies have suggested butterflies use several unsteady aerodynamic mechanisms to boost force production with upstroke wing clap being a prominent feature. When the wings clap together at the end of upstroke the air between the wings is pressed out, creating a jet, pushing the animal in the opposite direction. Although viewed, for the last 50 years, as a crucial mechanism in insect flight, quantitative aerodynamic measurements of the clap in freely flying animals are

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Zhang, Wei, Lin Zhou, Ke Zhao, Ruibin Zhang, Zhenghong Gao, and Bowen Shu. "Airfoil Design Optimization of Blended Wing Body for Various Aerodynamic and Stealth Stations." Aerospace 11, no. 7 (2024): 586. http://dx.doi.org/10.3390/aerospace11070586.

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The airfoil is the foundation of an aircraft, and its characteristics have a significant impact on those of the aircraft. Conventional airfoil design mainly focuses on improving aerodynamic performance, while flying wing airfoil designs should also consider layout stability and stealth performance. The design requirements for an airfoil vary with its position on the flying wing layout aircraft based on corresponding spanwise flow field characteristics. By analyzing the spanwise flow characteristics of the flying wing, partition design models for flying wing airfoils were established in this st

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Liu, Guangze, Song Wang, and Wenfu Xu. "Flying State Sensing and Estimation Method of Large-Scale Bionic Flapping Wing Flying Robot." Actuators 11, no. 8 (2022): 213. http://dx.doi.org/10.3390/act11080213.

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A large bionic flapping wing robot has unique advantages in flight efficiency. However, the fluctuation of fuselage centroid during flight makes it difficult for traditional state sensing and estimation methods to provide stable and accurate data. In order to provide stable and accurate positioning and attitude information for a flapping wing robot, this paper proposes a flight state sensing and estimation method integrating multiple sensors. Combined with the motion characteristics of a large flapping wing robot, the autonomous flight, including the whole process of takeoff, cruise and landin

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Олег Львович Лемко and Євген О. Кушніренко. "AERO DYNAMIC SHAPE OF TRANSPORT AIRCRAFT “FLYING WING” SCHEME WITH HIGH ASPECT RATIO." MECHANICS OF GYROSCOPIC SYSTEMS, no. 27 (October 6, 2014): 84–92. http://dx.doi.org/10.20535/0203-377127201438043.

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"Normal" aerodynamic scheme despite the fact that it has become the dominant in global aviation, in terms of aerodynamics is not ideal. To create a lifting force only wing is just necessary. All other elements of aircraft glider - fuselage , horizontal and vertical tail exist only for the crew, passengers and cargo, ensuring the sustainability and management to provide a satisfactory landing characteristics. It became apparent that with the increasing size of the planes becomes possible and appropriate to place all the major part of their weight directly in the wing. This idea was expressed in

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Keidel, Dominic, Giulio Molinari, and Paolo Ermanni. "Aero-structural optimization and analysis of a camber-morphing flying wing: Structural and wind tunnel testing." Journal of Intelligent Material Systems and Structures 30, no. 6 (2019): 908–23. http://dx.doi.org/10.1177/1045389x19828501.

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This article presents the design, optimization and performance assessment of a novel structure-actuation morphing concept for a flying wing, enabling the flight control for straight flight and around the pitch and roll axes. The applied camber-morphing concept utilizes an optimized selectively compliant internal structure, combined with electromechanical actuators to achieve a trailing edge deflection. These deflections lead to variations of the local and global lift, permitting to control the flight of the aircraft. The aero-structural behaviour of the wing is analysed using a coupled three-d

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Henningsson, P., F. T. Muijres, and A. Hedenström. "Time-resolved vortex wake of a common swift flying over a range of flight speeds." Journal of The Royal Society Interface 8, no. 59 (2010): 807–16. http://dx.doi.org/10.1098/rsif.2010.0533.

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The wake of a freely flying common swift ( Apus apus L.) is examined in a wind tunnel at three different flight speeds, 5.7, 7.7 and 9.9 m s −1 . The wake of the bird is visualized using high-speed stereo digital particle image velocimetry (DPIV). Wake images are recorded in the transverse plane, perpendicular to the airflow. The wake of a swift has been studied previously using DPIV and recording wake images in the longitudinal plane, parallel to the airflow. The high-speed DPIV system allows for time-resolved wake sampling and the result shows features that were not discovered in the previou

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Liu, Yun, Zhi Sheng Jing, Shan Chao Tu, Ming Hao Yu, and Guo Wei Qin. "Character Measurement of Flapping-Wing Mechanism." Applied Mechanics and Materials 48-49 (February 2011): 300–303. http://dx.doi.org/10.4028/www.scientific.net/amm.48-49.300.

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The characteristics and the application prospect are analyzed. It is concluded that bionic flapping-wing flying has better lift fore generation efficiency, which is the development trend of aerial vehicles. By the scaling effect analysis on bionic flying mechanism, it is presented that bionic flying could be realized more easily when the sizes are decreased. In this article, the flying mechanism of inset and Aves was studied and the high lift force mechanism of flapping-winging was concluded. In order to make the flapping-flying easier, we design a new type flapping-flying mechanism. A set of

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Zhang, Haiming, and Zhenzhong Liu. "Design and Research on Flapping Mechanism of Biomimetic Albatross." Journal of Physics: Conference Series 2343, no. 1 (2022): 012006. http://dx.doi.org/10.1088/1742-6596/2343/1/012006.

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In order to solve the problems of low flying efficiency, poor aerodynamic performance of wing and short flying time distance existing in the research of flapping wing aircraft, a kind of albatron-like flapping wing structure with higher flying efficiency is proposed in this paper. The functions of bird wing flutter, folding and gliding are realized by two degrees of freedom control respectively. First, the flying characteristics of albatross are analyzed and the flying characteristics suitable for albatross are summarized. Propose design requirements for bionic design objectives; The bionic st

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Shi, Wei, Yanjun Tao, Shaoze Lu, and Mingxu Yi. "Research on quantum radar stealth optimization design of flying wing aircraft." Journal of Physics: Conference Series 3026, no. 1 (2025): 012037. https://doi.org/10.1088/1742-6596/3026/1/012037.

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Abstract With the continuous advancement of quantum radar technology, the detection capabilities for stealth aircraft have been significantly enhanced, posing an increasingly substantial threat to such targets. Consequently, it has become imperative to investigate the design and optimization of quantum radar stealth for aircraft. This paper proposes a novel quantum radar stealth optimization method specifically tailored for flying wing aircraft. Initially, based on the definition of QRCS (Quantum Radar Cross Section) and the surface element transformation of complex three-dimensional targets,

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Jiao, Jing Shan, Xin Hua, and Zhang Ji. "Analysis of the Bionic Wing's Aerodynamic Performance." Applied Mechanics and Materials 644-650 (September 2014): 385–89. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.385.

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According to a certain type of flying in the no imitation gull wing design straight wing with man. Then the bionic wing and conventional airfoil are simulated, and compared the two kinds of wing aerodynamic parameters. The study found, hale no flow man-machine bionic wing design can effectively improve the wing, reduce the upper wing surface flow separation, reduce the lift loss, reduce the pressure drag, improve the lift drag ratio of the wings. In this paper, the simulation results for the design of the UAV wing provides certain reference.

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Bourdin, P., A. Gatto, and M. I. Friswell. "Performing co-ordinated turns with articulated wing-tips as multi-axis control effectors." Aeronautical Journal 114, no. 1151 (2010): 35–47. http://dx.doi.org/10.1017/s0001924000003511.

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Abstract This paper investigates a novel method for the control of aircraft. The concept consists of articulated split wing-tips, independently actuated and mounted on a baseline flying wing. The general philosophy behind the concept was that adequate control of a flying wing about its three axes could be obtained through local modifications of the dihedral angle at the wing-tips, thus providing an alternative to conventional control effectors such as elevons and drag rudders. Preliminary computations with a vortex lattice model and subsequent wind tunnel tests and Navier-Stokes computations d

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Shevell, Richard S. "Feasibility of the "Flying Wing"." Science 245, no. 4924 (1989): 1311–12. http://dx.doi.org/10.1126/science.245.4924.1311.d.

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Shevell, R. S. "Feasibility of the "Flying Wing"." Science 245, no. 4924 (1989): 1311–12. http://dx.doi.org/10.1126/science.245.4924.1311-c.

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Bolsunovsky, A. L., N. P. Buzoverya, B. I. Gurevich, et al. "Flying wing—problems and decisions." Aircraft Design 4, no. 4 (2001): 193–219. http://dx.doi.org/10.1016/s1369-8869(01)00005-2.

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Li, Zhong Jian, and Dong Li Ma. "Control Characteristics Analysis of Split-Drag-Rudder." Applied Mechanics and Materials 472 (January 2014): 185–90. http://dx.doi.org/10.4028/www.scientific.net/amm.472.185.

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Flying wing configuration is a promising candidate for various kinds of unmanned aerial vehicles. However, this kind of configuration eliminates conventional vertical tail and rudder, thus existing severe problems on yawing control. To make the flying wing configuration into practical use, it is especially necessary to gain a deep understanding on the control characteristics of yawing control devices. To the innovative yawing control device: split-drag-rudder, which is most widely used on flying wing configuration, the paper introduced its current research and mechanical feature, then carefull

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Dinh, Bao Anh, Hieu Khanh Ngo, and Van Nhu Nguyen. "An efficient low-speed airfoil design optimization process using multi-fidelity analysis for UAV flying wing." Science and Technology Development Journal 19, no. 3 (2016): 43–52. http://dx.doi.org/10.32508/stdj.v19i3.519.

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This paper proposes an efficient low-speed airfoil selection and design optimization process using multi-fidelity analysis for a long endurance Unmanned Aerial Vehicle (UAV) flying wing. The developed process includes the low speed airfoil database construction, airfoil selection and design optimization steps based on the given design requirements. The multi-fidelity analysis solvers including the panel method and computational fluid dynamics (CFD) are presented to analyze the low speed airfoil aerodynamic characteristics accurately and perform inverse airfoil design optimization effectively w

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Liu, Lan, and Zhao Xia He. "Simulation and Experiment for Rigid and Flexible Wings of Flapping-Wings Microrobots." Advanced Materials Research 97-101 (March 2010): 4513–16. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.4513.

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In this paper, an insect-based flapping-wing flying microrobot was built which can successfully fly in the sky. The unsteady aerodynamics associated with this microrobot was studied by using the method of computational fluid dynamics (CFD). On the basis of numerical simulation, the Fluid-Structure coupling mechanics for flexible flapping-wings were studied and discussed. According to the practically developed flapping-wing microrobot, a 2-D simulation model for flexible flapping-wings was established. Fluid-Structure coupling deformation and the effects of this model on the aero dynamic perfor

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Dimitriadis, G., J. D. Gardiner, P. G. Tickle, J. Codd, and R. L. Nudds. "Experimental and numerical study of the flight of geese." Aeronautical Journal 119, no. 1217 (2015): 803–32. http://dx.doi.org/10.1017/s0001924000010939.

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AbstractThe flight of barnacle geese at airspeeds representing high-speed migrating flight is investigated using experiments and simulations. The experimental part of the work involved the filming of three barnacle geese (Branta Leucopsis) flying at different airspeeds in a wind tunnel. The video footage was analysed in order to extract the wing kinematics. Additional information, such as wing geometry and camber was obtained from a 3D scan of a dried wing. An unsteady vortex lattice method was used to simulate the aerodynamics of the measured flapping motion. The simulations were used in orde

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Plaza-Buendía, Jorge, Juana María Mirón-Gatón, Antonio José García-Meseguer, Adrián Villastrigo, Andrés Millán, and Josefa Velasco. "Flight Dispersal in Supratidal Rockpool Beetles." Insects 15, no. 3 (2024): 140. http://dx.doi.org/10.3390/insects15030140.

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Flight dispersal is ecologically relevant for the survival of supratidal rockpool insects. Dispersal has important consequences for colonisation, gene flow, and evolutionary divergence. Here, we compared the flight dispersal capacity of two congeneric beetle species (Ochthebius quadricollis and Ochthebius lejolisii) that exclusively inhabit these temporary, fragmented, and extreme habitats. We estimated flight capacity and inferred dispersal in both species using different approaches: experimental flying assays, examination of wing morphology, and comparison of microsatellite markers between s

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Pan, Yalin, and Jun Huang. "Influences of airfoil profile on lateral-directional stability of aircraft with flying wing layout." Aircraft Engineering and Aerospace Technology 91, no. 7 (2019): 1011–17. http://dx.doi.org/10.1108/aeat-04-2018-0119.

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Purpose The purpose of this study is to analyze influence of airfoil profile on lateral-directional flying quality of flying wing aircraft. The lateral-directional stability is always insufficient for aircraft with the layout due to the absence of vertical stabilizer. A flying wing aircraft with double-swept wing is used as research object in the paper. Design/methodology/approach The 3D model is established for the aircraft with flying wing layout, and parametric modeling is carried out for airfoil mean camber line of the aircraft to analyze lateral-directional stability of the aircraft with

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Johansson, L. Christoffer, Sophia Engel, Emily Baird, Marie Dacke, Florian T. Muijres, and Anders Hedenström. "Elytra boost lift, but reduce aerodynamic efficiency in flying beetles." Journal of The Royal Society Interface 9, no. 75 (2012): 2745–48. http://dx.doi.org/10.1098/rsif.2012.0053.

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Flying insects typically possess two pairs of wings. In beetles, the front pair has evolved into short, hardened structures, the elytra, which protect the second pair of wings and the abdomen. This allows beetles to exploit habitats that would otherwise cause damage to the wings and body. Many beetles fly with the elytra extended, suggesting that they influence aerodynamic performance, but little is known about their role in flight. Using quantitative measurements of the beetle's wake, we show that the presence of the elytra increases vertical force production by approximately 40 per cent, ind

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Dai, Shuhao, Hongli Ji, Chongcong Tao, Chao Zhang, and Jinhao Qiu. "Design and thermal protection performance analysis of insulated wing storage box for hypersonic variable-sweep aircraft." Journal of Physics: Conference Series 2764, no. 1 (2024): 012043. http://dx.doi.org/10.1088/1742-6596/2764/1/012043.

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Abstract Utilizing variable-sweep wing technology can further enhance the flight performance of hypersonic aircraft in a wide range of high-altitude, high-speed environments. Existing research on hypersonic variable-sweep flying wings has mainly focused on aerodynamic shape design, with limited research on the internal thermal protection of the aircraft. This study firstly investigates the performance improvement of a hypersonic flying wing using variable-sweep technology through CFD simulations. Secondly, to address the high-temperature issues induced by variable-sweep wings, an insulated win

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STOICA, Cornel, Dumitru PEPELEA, Mihai NICULESCU, and Adrian TOADER. "AERODYNAMIC DESIGN CONSIDERATIONS OF A FLYING WING TYPE UAV." SCIENTIFIC RESEARCH AND EDUCATION IN THE AIR FORCE 19, no. 1 (2017): 213–20. http://dx.doi.org/10.19062/2247-3173.2017.19.1.24.

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Hawkes, Elliot W., and David Lentink. "Fruit fly scale robots can hover longer with flapping wings than with spinning wings." Journal of The Royal Society Interface 13, no. 123 (2016): 20160730. http://dx.doi.org/10.1098/rsif.2016.0730.

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Hovering flies generate exceptionally high lift, because their wings generate a stable leading edge vortex. Micro flying robots with a similar wing design can generate similar high lift by either flapping or spinning their wings. While it requires less power to spin a wing, the overall efficiency depends also on the actuator system driving the wing. Here, we present the first holistic analysis to calculate how long a fly-inspired micro robot can hover with flapping versus spinning wings across scales. We integrate aerodynamic data with data-driven scaling laws for actuator, electronics and mec

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Xu, Liang, Bin Chen, and Jieke Yao. "A Comparative Correction Method for CFD Numerical Simulation and Wind Tunnel Experiment of Flying Wing Aircraft with Small Aspect Ratio." Scientific Journal of Intelligent Systems Research 7, no. 6 (2025): 31–38. https://doi.org/10.54691/32p5g571.

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The state and size of the numerical simulation model and the wind tunnel experiment model are different, which makes the aerodynamic data of the aircraft different. In this paper, two sets of longitudinal aerodynamic data are obtained through CFD numerical simulation and wind tunnel experiment for flying wing aircraft with small aspect ratio, the difference between simulation and experiment is analyzed, the comparative correction method of longitudinal aerodynamic coefficient of flying wing aircraft is established, the correction values of lift coefficient and pitching moment coefficient is ob

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Liu, Xiaodong, Peiliang Zhang, Guanghong He, Yongen Wang, and Xudong Yang. "Multi-objective aerodynamic optimization of flying-wing configuration based on adjoint method." Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University 39, no. 4 (2021): 753–60. http://dx.doi.org/10.1051/jnwpu/20213940753.

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In order to solve the multi-objective multi-constraint design in aerodynamic design of flying wing, the aerodynamic optimization design based on the adjoint method is studied. In terms of the principle of the adjoint equation, the boundary conditions and the gradient equations are derived. The Navier-Stokes equations and adjoint aerodynamic optimization design method are adopted, the optimization design of the transonic drag reduction for the two different aspect ratio of the flying wing configurations is carried out. The results of the optimization design are as follows: Under the condition o

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Wang, Yunjie, Yajun Yin, Gangtie Zheng, and Hongxiang Yao. "Driving mechanism of dragonfly’s wing flapping pattern for liquid circulation inside wing." Animal Biology 71, no. 1 (2020): 85–101. http://dx.doi.org/10.1163/15707563-bja10048.

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Abstract Flying animals can inspire practical approaches to a more advanced way of flying. Dragonflies demonstrate a special flapping pattern in which their wings perform torsional movement while flapping, which is different from that of birds. This flapping pattern is referred to as nonsynchronous flapping in this article. We present a hypothesis that nonsynchronous flapping provides a driving force for enhancing the haemolymph circulation inside dragonfly wings. To support this hypothesis, a controlled experiment was designed and conducted with living dragonflies. By observing the liquid mot

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