Chord Length
Chord Length - Related Videos
07:59
Airfoil Behavior: Pressure Distribution over a Clark Y-14 Wing
0 Views •
2023
Source: David Guo, College of Engineering, Technology, and Aeronautics (CETA), Southern New Hampshire University (SNHU), Manchester, New Hampshire An airfoil is a 2-dimensional wing section that represents critical wing performance characteristics. The pressure distribution and lift coefficient are important parameters that characterize the behavior of airfoils. The pressure distribution is directly related to the lift generated by airfoils. A Clark Y-14 airfoil, which is used in this...
09:18
Clark Y-14 Wing Performance: Deployment of High-lift Devices (Flaps and Slats)
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2023
Source: David Guo, College of Engineering, Technology, and Aeronautics (CETA), Southern New Hampshire University (SNHU), Manchester, New Hampshire A wing is the major lift-generating apparatus in an airplane. Wing performance can be further enhanced by deploying high-lift devices, such as flaps (at the trailing edge) and slats (at the leading edge) during takeoff or landing. In this experiment, a wind tunnel is utilized to generate certain airspeeds, and a Clark Y-14 wing with a flap and slat...
07:01
Flow Visualization in a Water Tunnel: Observing the Leading-edge Vortex Over a Delta Wing
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2023
Source: Jose Roberto Moreto, Gustaaf Jacobs and Xiaofeng Liu, Department of Aerospace Engineering, San Diego State University, San Diego, California The delta wing, shown in Figure 1D, is a popular design in high-speed airplanes due to its superb performance in transonic and supersonic flight regimes. This type of wing has a small aspect ratio and high sweep angle, which reduces drag at high subsonic, transonic and supersonic flight regimes. The aspect ratio is defined as the wing span divided...
11:47
Heterotopic Renal Autotransplantation in a Porcine Model: A Step-by-Step Protocol
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Cited by 23 •
2016
Porcine models of organ transplantation provide an important platform to study mechanisms of organ preservation. This article describes a heterotopic porcine renal autotransplantation model, which allows investigating new approaches to improve the outcome of transplantation using marginal kidney grafts.
05:12
Transesophageal Atrial Burst Pacing for Atrial Fibrillation Induction in Rats
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Cited by 6 •
2022
The present work describes an experimental protocol of transesophageal atrial burst pacing for efficient induction of atrial fibrillation (AF) in rats. The protocol can be used in rats with healthy or remodeled hearts, allowing the study of AF pathophysiology, identification of novel therapeutic targets, and evaluation of new therapeutic strategies.
FAQs
For a circular arc, chord length is calculated with c = 2r sin(θ/2), where r is the radius and θ is the subtended central angle. The half-angle inside the sine function connects the angular geometry to the straight-line span. This relationship lets engineers determine a required dimension from known circular geometry.
As θ increases while the radius remains fixed, the chord grows and eventually approaches the circle’s diameter. This behavior shows how the separation between arc endpoints depends on the subtended angle. Engineers can use the radius-angle relationship to anticipate endpoint positions and maintain dimensional control in curved layouts.
Chord length and the curved arc describe different geometric distances between the same endpoints. The chord supplies the direct straight-line reference, while the arc follows the curve connecting those points. Keeping these measures distinct helps engineers select the appropriate dimension when developing geometric models, checking layouts, or specifying a linear span.
First identify the two endpoints of the circular feature and establish the radius and subtended central angle when they are known. Substitute those values into c = 2r sin(θ/2) to obtain the straight-line dimension. In computer-aided design, engineers can then compare the calculated value with the modeled geometry to support dimensional control.
In geometric modeling and computer-aided design, chord length provides a direct dimension between selected points on curved geometry. Engineers can use it to specify, inspect, and control the placement of features in a layout. Accurate chord measurements help maintain intended dimensions during design development and provide a consistent basis for checking modeled geometry.
For an airfoil section, chord length defines the reference distance from the leading edge to the trailing edge. Engineers use this distance when specifying the section and evaluating its geometry in relation to performance. Accurate chord measurement establishes a consistent dimensional reference, helping connect the airfoil’s geometric description with engineering analysis.