Three-dimensional visualization of diffusion flame shapes under acoustic excitation using stereoscopic imaging and reconstruction technique

Ng, W B; Salem, Angela; Zhang, Y.

doi:10.1007/bf03181739

Cited by 8 publications

(5 citation statements)

References 11 publications

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“…In the present paper, an improved four mirrors system adapter with a single camera has been employed as stereo system to measure simultaneously in-and out-of-plane displacements. Previous theoretical studies have been developed [20][21][22] and optimized by others authors [23]. Recently, Pankow et al [24] developed a method based in a four mirror system using DIC to analyze the images, highlighting accurate results.…”

Section: Measurement Science and Technologymentioning

confidence: 99%

“…A pseudo-stereovision-system is proposed in order to apply 3D-DIC by employing a single camera. Different authors [20,21,23,28] have proposed a four-mirror set-up only for observing or to perform out of plane measurements using interferometric techniques under carefully controlled conditions. Additionally, it configures a portable and adaptable set-up which is easily employed under different test conditions, not only under laboratory environment.…”

Section: Experimental Set-upmentioning

confidence: 99%

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Optical low-cost and portable arrangement for full field 3D displacement measurement using a single camera

López‐Alba

Felipe-Sesé

Schmeer

et al. 2016

Meas. Sci. Technol.

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In the current paper, an optical low-cost system for 3D displacement measurement based on a single camera and 3D digital image correlation is presented. The conventional 3D-DIC set-up based on a two-synchronized-cameras system is compared with a proposed pseudo-stereo portable system that employs a mirror system integrated in a device for a straightforward application achieving a novel handle and flexible device for its use in many scenarios. The proposed optical system splits the image by the camera into two stereo images of the object. In order to validate this new approach and quantify its uncertainty compared to traditional 3D-DIC systems, solid rigid in and out-of-plane displacements experiments have been performed and analyzed. The differences between both systems have been studied employing an image decomposition technique which performs a full image comparison. Therefore, results of all field of view are compared with those using a stereoscopy system and 3D-DIC, discussing the accurate results obtained with the proposed device not having influence any distortion or aberration produced by the mirrors. Finally, the adaptability of the proposed system and its accuracy has been tested performing quasi-static and dynamic experiments using a silicon specimen under high deformation. Results have been compared and validated with those obtained from a conventional stereoscopy system showing an excellent level of agreement.

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Section: Measurement Science and Technologymentioning

confidence: 99%

Section: Experimental Set-upmentioning

confidence: 99%

Optical low-cost and portable arrangement for full field 3D displacement measurement using a single camera

López‐Alba

Felipe-Sesé

Schmeer

et al. 2016

Meas. Sci. Technol.

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“…This four-mirror stereo adapter has been extensively applied in stereo imaging technique or study [20,21] and they are still available in the market from several manufacturers. Figure 10 demonstrates a real stereo adapter attached to the front of the camera lens.…”

Section: Compact Stereo Systemmentioning

confidence: 99%

Analysis and optimization of the stereo-system with a four-mirror adapter

Wang¹,

Li²,

Zhang³

2008

J. Eur. Opt. Soc.-Rapid Publ.

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Stereo imaging is becoming an important diagnostic tool in many practical applications throughout the industries. In the diagnostic procedure two views are used to provide in-depth information of the observing object. The conventional two-synchronized-camera systems used in most applications, pose difficulty to people new to the applications, especially when off-the-shelf cameras have to be used. In this article, several commonly used single camera stereo systems are reviewed and studied. The stereo system with a four-mirror adapter in particular is analyzed, whereafter an improvement is made to achieve the maximum field of view (FOV) of the stereo system with the four-mirror adapter.

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“…There are many papers on the study of premixed and/or non-premixed flames in association with acoustic forcing, for examples [1][2][3][4]. The experiments [5] gave an impetus to experimental investigations of the flame development during gas fuel combustion in microjets at low Reynolds numbers.…”

Section: Introductionmentioning

confidence: 99%

Stability of Subsonic Microjet Flows and Combustion

Козлов¹,

Grek²,

Katasonov³

et al. 2013

JFCMV

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Results of experimental studies of round and plane propane microjet combustion in a transverse acoustic field at small Reynolds numbers are presented in this paper. Features of flame evolution under the given conditions are shown. Based on the new information obtained on free microjet evolution, new phenomena in flame evolution in a transverse acoustic field with round and plane propane microjet combustion are discovered and explained.

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Three-dimensional visualization of diffusion flame shapes under acoustic excitation using stereoscopic imaging and reconstruction technique

Cited by 8 publications

References 11 publications

Optical low-cost and portable arrangement for full field 3D displacement measurement using a single camera

Optical low-cost and portable arrangement for full field 3D displacement measurement using a single camera

Analysis and optimization of the stereo-system with a four-mirror adapter

Stability of Subsonic Microjet Flows and Combustion

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