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Bumblebees are clumsy fliers. It is estimated that a foraging bee bumps into a flower about once per second, which damages its wings over time. Yet despite having many tiny rips or holes in their wing...
Dragonflies use vision, subtle wing control to straighten up and fly right（图）
蜻蜓 视觉 翅膀 伸直 向右飞翔
2023/5/22
With their stretched bodies, immense wingspan and iridescent coloring, dragonflies are a unique sight. But their originality doesn’t end with their looks: As one of the oldest insect species on the pl...
If you brush against the wings of a butterfly, you will likely come away with a fine sprinkling of powder. This lepidopteran dust is made up of tiny microscopic scales, hundreds of thousands of which ...
The use of fixed-wing UAV photogrammetry with LiDAR DTM to estimate merchantable volume and carbon stock in living biomass over a mixed conifer-broadleaf forest
UAV photogrammetry LiDAR DTM estimate merchantable volume carbon stock mixed conifer-broadleaf forest
2024/2/28
Remote sensing (RS) data are often used as a complementary data source to acquire accurate quantitative estimations of merchantable volume (V) and carbon stock in living biomass (CST), which are criti...
美国内布拉斯加大学林肯分校Cho Wing Solomon To教授来南京航空航天大学交流访问（图）
美国内布拉斯加大学 Cho Wing Solomon To教授 南京航空航天大学 飞行器先进设计技术 非线性动力学
2017/7/25
应我校航空宇航学院飞行器先进设计技术国防重点学科实验室张明副教授邀请，美国内布拉斯加大学林肯分校机械与材料工程学院终身教授Cho Wing Solomon To教授，于2017年7月3日至14日访问了我校，并于7月11日为我校师生做了题为“Large Nonlinear Dynamic Responses of Shell Structures with PiezoelectricSensing ...
Factors Affecting the Incidence of Angel Wing in White Roman Geese: Stocking Density and Genetic Selection
Angel Wing Stocking Density Genetics White Roman Geese
2016/7/27
The present study investigated stocking density and genetic lines, factors that may alter the severity and incidence of angel wing (AW), in White Roman geese. Geese (n = 384) from two genetically sele...
Professor Wing Hung Wong，Department of Statistics at Stanford University（图）
Professor Biomedical Data Science
2016/5/24
Stephen R. Pierce Family Goldman Sachs Professor in Science and Human Health
Professor of Statistics
Professor of Biomedical Data Science
Mailing Address:
Department of Statistics
Sequoia Hall
...
Actualize of Low Altitude Large Scale Aerophotography and Geodesic base on Fixed-Wing Unmanned Aerial Vehicle Platform
System Integration Aerial Photogrammetry Digital Orthophoto Orthophoto Mapping Aerial Triangulation
2015/11/23
This paper introduces the key technologies and methods of establishing the aerial photogrammetric system using Unmanned Aerial Vehicles (UVA) photogrammetry technique for satisfying the increasing nee...
ORTHO-RECTIFICATION OF NARROW BAND MULTI-SPECTRAL IMAGERY ASSISTED BY DSLR RGB IMAGERY ACQUIRED BY A FIXED-WING UAS
Ortho-rectification Band-to-band registration Projective transformation
2015/9/10
Miniature Multiple Camera Array (MiniMCA-12) is a frame-based multilens/multispectral sensor composed of 12 lenses with narrow band filters. Due to its small size and light weight, it is suitable to m...
SONGBIRD – AN INNOVATIVE UAS COMBINING THE ADVANTAGES OF FIXED WING AND MULTI ROTOR UAS
UAV VTOL Fxed wing Wing Copter Resource management Pipeline inspection Cartography
2015/9/10
This paper describes a family of innovative fixed wing UAS with can vertical take off and land – the SONGBIRD family. With nominal payloads starting from 0.5 kg they can take off and land safely like ...
Towards Computational Flapping Wing Aerodynamics of Realistic Configurations using Spectral Difference Method
Towards Computational Flapping Wing Aerodynamics Realistic Confi gurations Spectral Diff erence Method
2015/7/3
In this paper high-order high-fidelity simulations of unsteady flows over flapping wings are examined. The numerical framework for the present computational flapping wings anal...
3D Flapping Wing Simulation with High Order Spectral Difference Method on Deformable Mesh
3D Flapping Simulation Spectral Diff erence Method Deformable Mesh
2015/7/3
In this paper we carry out computational studies of three-dimensional flow over flapping wings. The problems we have investigated include, firstly, three-dimensonal simulation of ...
NLF Airfoil and Wing Design by Adjoint Method and Automatic Transition Prediction
NLF Airfoil Wing Design Adjoint Method Automatic Transition Prediction
2015/7/3
This paper describes the application of optimization technique based on control theory for natural-laminar-°ow airfoil and wing design in viscous compressible °ow modeled by the Reynolds averaged Navi...
Design of Adjoint Based Laws for wing flutter control
Design Adjoint Based Laws wing fl utter control
2015/7/2
An airplane, by its nature of being, is constructed so that it is as light as possible. The structural design is guided by static and dynamic factors. The more stringent constraints on the structural ...
Comparative Study of 3D Wing Drag Minimization by Different Optimization Techniques
3D Wing Drag Minimization Diff erent Optimization Techniques
2015/7/2
The main goal of this paper is to document a comparative study of different CFD based optimization techniques applied to the so lution of a 3D wing drag minimization problem.