An experimental study of the aerodynamics of micro corrugated wings at low Reynolds number

Chitsaz, Nasim; Siddiqui, Kamran; Marian, Romeo; Chahl, Javaan

doi:10.1016/j.expthermflusci.2020.110286

Cited by 17 publications

(10 citation statements)

References 25 publications

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“…Experimental analysis of flow over the full 3D wing, complete with measured micronscale features, was performed to explore the effect of reconstructed natural surface texture on flight performance at low Re. The flow patterns were analysed at an angle of attack of 10 • and Re = 5 × 10 3 , Re = 8 × 10 3 , and Re = 12 × 10 3 , showing better performance than that found in previous studies based on extruded 2D corrugated aerofoils [47].…”

Section: Wing Performance and Structurementioning

confidence: 59%

Biomimetic Drones Inspired by Dragonflies Will Require a Systems Based Approach and Insights from Biology

Chahl

Chitsaz

McIvor

et al. 2021

Drones

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Many drone platforms have matured to become nearly optimal flying machines with only modest improvements in efficiency possible. “Chimera” craft combine fixed wing and rotary wing characteristics while being substantially less efficient than both. The increasing presence of chimeras suggests that their mix of vertical takeoff, hover, and more efficient cruise is invaluable to many end users. We discuss the opportunity for flapping wing drones inspired by large insects to perform these mixed missions. Dragonflies particularly are capable of efficiency in all modes of flight. We will explore the fundamental principles of dragonfly flight to allow for a comparison between proposed flapping wing technological solutions and a flapping wing organism. We chart one approach to achieving the next step in drone technology through systems theory and an appreciation of how biomimetics can be applied. New findings in dynamics of flapping, practical actuation technology, wing design, and flight control are presented and connected. We show that a theoretical understanding of flight systems and an appreciation of the detail of biological implementations may be key to achieving an outcome that matches the performance of natural systems. We assert that an optimal flapping wing drone, capable of efficiency in all modes of flight with high performance upon demand, might look somewhat like an abstract dragonfly.

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Section: Wing Performance and Structurementioning

confidence: 59%

Biomimetic Drones Inspired by Dragonflies Will Require a Systems Based Approach and Insights from Biology

Chahl

Chitsaz

McIvor

et al. 2021

Drones

Self Cite

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“…There have been several morphological studies focused on characterizing the corrugations of insect wings using 3D reconstruction of cross-sectional 2D imaging (photogrammetry) [89][90][91][92][93][94][95] and 3D scanning (micro-CT) techniques 96 (Fig. 3-i).…”

Section: Insect-scale Flow Controlmentioning

confidence: 99%

Aerial and aquatic biological and bioinspired flow control strategies

et al. 2023

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Flow control is the attempt to favorably modify a flow field’s characteristics compared to how the flow would have developed naturally along the surface. Natural flyers and swimmers exploit flow control to maintain maneuverability and efficiency under different flight and environmental conditions. Here, we review flow control strategies in birds, insects, and aquatic animals, as well as the engineered systems inspired by them. We focus mainly on passive and local flow control devices which have utility for application in small uncrewed aerial and aquatic vehicles (sUAVs) with benefits such as simplicity and reduced power consumption. We also identify research gaps related to the physics of the biological flow control and opportunities for device development and implementation on engineered vehicles.

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“…The aviation industry is another branch that utilizes reverse engineering methods. For instance: 3D modeling of micro-grooved wings and investigation of their flow characteristics [15], assembly inspection of large aircrafts with non-contact measurements [16], investigation of airframes and aerodynamic surfaces using LiDAR sensors [17].…”

Section: Introductionmentioning

confidence: 99%

3D modeling of car parts by photogrammetric methods: Example of brake discs

Kanun

KANUN²,

Yakar

2022

Mersin Photogrammetry Journal

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Re-measurement of existing, manufactured parts and re-creation of 3D models of these parts brought about the concept of reverse engineering. Reverse engineering has become a frequently applied and utilized concept in processes such as repairing damaged parts, improving used parts, and making new designs based on old parts. One of the main reverse engineering methods widely used by many engineering branches is photogrammetry. Photogrammetry, which includes a wide range of applications from professional cameras to mobile phones, is divided into branches such as terrestrial photogrammetry, aerial photogrammetry and underwater photogrammetry. The basis of all these categories is the concept of making measurements of a part, structure or region and modeling them in 3D, even if they involve different equipment and instruments. In this study, the 3D model of a rear brake disc of a personal passenger car was obtained using mobile photogrammetric methods. In the results section, the applicability of the method was examined in terms of cost, time and accuracy, together with the results of the accuracy analysis. It has been shown that the mobile photogrammetry method can provide easy applicability, low cost and high accuracy.

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An experimental study of the aerodynamics of micro corrugated wings at low Reynolds number

Cited by 17 publications

References 25 publications

Biomimetic Drones Inspired by Dragonflies Will Require a Systems Based Approach and Insights from Biology

Biomimetic Drones Inspired by Dragonflies Will Require a Systems Based Approach and Insights from Biology

Aerial and aquatic biological and bioinspired flow control strategies

3D modeling of car parts by photogrammetric methods: Example of brake discs

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