Relevant bibliographies by topics / Square tube

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Square tube'

Author: Grafiati
Published: 4 June 2021
Last updated: 27 July 2025

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Journal articles on the topic "Square tube"

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Yang, In Young, Kil Sung Lee, Young Nam Kim, Jin Oh Chung, and Cheon Seok Cha. "Axial Crushing Behavior and Energy Absorption Capability of Al/CFRP Square Tubes for Light-Weights." Key Engineering Materials 306-308 (March 2006): 297–302. http://dx.doi.org/10.4028/www.scientific.net/kem.306-308.297.

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An aluminum or CFRP (Carbon Fiber Reinforced Plastics) tube is representative light-weight materials but its axial collapse mechamism is different from each other. The aluminum tube absorbs energy by stable plastic deformation, while the CFRP tube absorbs energy by unstable brittle failure with higher specific strength and stiffness than those in the aluminum tube. In an attempt to achieve a synergy effect by combining the two members, aluminum/CFRP square tubes were manufactured, which are composed of aluminum tubes wrapped with CFRP outside aluminum square tubes with different fiber orientat
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Selvaraj, P., J. Sarangan, and S. Suresh. "Computational fluid dynamics analysis on heat transfer and friction factor characteristics of a turbulent flow for internally grooved tubes." Thermal Science 17, no. 4 (2013): 1125–37. http://dx.doi.org/10.2298/tsci110404010s.

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The article presents computational fluid dynamics studies on heat transfer, pressure drop, friction factor, Nusselt number and thermal hydraulic performance of a plain tube and tube equipped with the three types of internal grooves (circular, square and trapezoidal).Water was used as the working fluid. Tests were performed for Reynolds number ranges from 5000 to 13500 for plain tube and different geometry inside grooved tubes. The maximum increase of pressure drop was obtained from numerical modeling 74% for circular, 38% for square and 78% for trapezoidal grooved tubes were compared with plai
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Ida Bagus Alit and IGNK Yudhyadi. "Simulation of shell and tube type heat exchanger for square geometry using computational fluid dynamics method." World Journal of Advanced Engineering Technology and Sciences 9, no. 2 (2023): 345–50. http://dx.doi.org/10.30574/wjaets.2023.9.2.0242.

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Heat exchangers have various types of design models, one example is the shell and tube type heat exchanger. This tool is useful for raising or lowering the temperature. One of its uses is in the hydroelectric power generation industry, namely as an oil cooler bearing. This study aims to design and simulate a shell and tube type heat exchanger with tube inner diameters of 20 mm and 25 mm and also tube arrangement square and rotated square. From the design results obtained a total length of 1318.59 mm, 300 mm outer diameter of the shell and 320 mm inner diameter of the shell. The simulation resu
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Chan, Chunwa, Tao Yu, and Shishun Zhang. "Compressive behaviour of square fibre-reinforced polymer–concrete–steel hybrid multi-tube concrete columns." Advances in Structural Engineering 21, no. 8 (2017): 1162–72. http://dx.doi.org/10.1177/1369433217732499.

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Fibre-reinforced polymer–concrete–steel hybrid multi-tube concrete columns are a new form of columns recently proposed at the University of Wollongong. An multi-tube concrete column consists of an external fibre-reinforced polymer tube and a number of circular internal steel tubes, with the space inside all the tubes filled with concrete. This article presents the first ever experimental study on square multi-tube concrete columns. The experimental program included a total of 14 stub column specimens tested under axial compression, with the test variables being the thickness of the external fi
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Tan, Zhu Hua, Bo Zhang, and Peng Cheng Zhai. "The Effect of Stress Wave on Dynamic Response of Square Thin-Walled Tube." Applied Mechanics and Materials 590 (June 2014): 63–68. http://dx.doi.org/10.4028/www.scientific.net/amm.590.63.

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The effect of stress wave propagation on dynamic response of square tube was investigated by the experimental and numerical simulation methods in the present paper. The square tubes were subjected to the axial impact by split Hopkinson pressure bar. And the deformation process of each square tube was recorded by a high speed camera. Typical dynamic plastic buckling phenomena were observed in the experiments. And the numerical calculation of the experimental load case was conducted to analyze the effect of the stress wave propagation on the initial buckling of the square tube. The results show
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Wang, Jian, Hong Tu Sun, and Jing Huang. "Improved Design of Thin-Walled Square Tube for Energy Absorption." Advanced Materials Research 460 (February 2012): 389–92. http://dx.doi.org/10.4028/www.scientific.net/amr.460.389.

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Thin-walled tubes are the main structures to absorb the energy in front impact at the desired controlled collision. A thin-walled square tube is designed by use of a double deck square tube with clapboards which has a stable structure with less Euler deformation in front impact. More deformations of extensional collapse in the double deck square tube with clapboards improve the performance of structures for energy absorption. Induced slots are employed in the square tube to decrease the peak acceleration in front impact. Collision process can be controlled by the slots for the stable deformati
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Zhu, Tao, Hongjun Liang, Yiyan Lu, Weijie Li, and Hong Zhang. "Axial behaviour of slender concrete-filled steel tube square columns strengthened with square concrete-filled steel tube jackets." Advances in Structural Engineering 23, no. 6 (2019): 1074–86. http://dx.doi.org/10.1177/1369433219888726.

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This article investigates the behaviour of slender concrete-filled steel tube square columns strengthened by concrete-filled steel tube jacketing. The columns were realised by placing a square outer steel tube around the original slender concrete-filled steel tube column and pouring strengthening concrete into the gap between the inner and outer steel tubes. Three concrete-filled steel tube square columns and seven retrofitted columns ranging from 1200 to 2000 mm were tested to failure under axial compression. The experimental parameters included three length-to-width ( L/ B1) ratios, three wi
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Goel, Manmohan Dass, and Laxminarayan Krishnappa. "Deformation and Energy Absorption of Aluminum Foam Filled Square Tubes." Advanced Materials Research 585 (November 2012): 34–38. http://dx.doi.org/10.4028/www.scientific.net/amr.585.34.

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Modeling and numerical simulation of aluminum foam filled square tubes under axial impact loading is presented. The foam-filled thin-walled square tubes are modeled as shell wherein, foam core is modeled by incorporating visco-elastic plastic foam model in Altair® RADIOSS. Deformation and energy absorption studies with single, bi-tubular, and multi-tube structure with and without aluminum foam core are carried out for assessing its effectiveness in crashworthiness under the identical conditions. It is observed that the multi-tube structure with foam core modify the deformation modes considerab
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AMER, N., and E. I. GUENDELMAN. "FLUX TUBE SOLUTIONS IN SQUARE ROOT GAUGE THEORY." International Journal of Modern Physics A 15, no. 28 (2000): 4407–15. http://dx.doi.org/10.1142/s0217751x00001397.

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Flux tube solutions are found in the square root gauge theory. Purely magnetic solutions exist which do not contain radiation. It is found that no electric monopole solution exists, which is a sign of electric charge confinement, but magnetic monopole solutions exist and therefore there is no confinement of magnetic charge. There are also solutions which have both electric and magnetic components and represent flux tubes where in addition some radiation process, caused for example by some annihilation in the center of the tube takes place. Finally, there are solutions with both electric and ma
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Mohsenizadeh, Saeid, Zaini Ahmad, and Amran Alias. "Numerical Study on Axial Crushing of Auxetic Foam-Filled Square Tube." Materials Science Forum 975 (January 2020): 159–64. http://dx.doi.org/10.4028/www.scientific.net/msf.975.159.

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Filling the thin-walled tubes with a foam core is a typical method to enhance the energy absorption performance and stabilize their crushing responses under impact loading. Recently, auxetic foam material with negative Poisson’s ratio has gained remarkable popularity as an effective candidate to enhance the energy absorption capability of structures. In this paper, polyurethane auxetic foam is suggested as a foam core with the negative Poisson’s ratio of-0.31. Numerical simulation was performed to quantify the crush characteristics of auxetic foam-filled square aluminum tubes for variations in
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Dissertations / Theses on the topic "Square tube"

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Abdelkefi, Abir. "Frottement en hydroformage de tube : caractérisation du frottement par le test d'expansion en matrice carrée." Thesis, Besançon, 2016. http://www.theses.fr/2016BESA2006/document.

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L’objectif de cette thèse est d’étudier la possibilité de caractériser le coefficient de frottement par un modèle analytique. Tout d’abord, le modèle analytique (Orban-Hu,2007) a été programmé à l’aide du logiciel « Matlab » puis validé par simulation numérique à l’aide du logiciel « Ls-Dyna ». Ensuite, on a réalisé des essais expérimentaux afin de caractériser les propriétés mécaniques du cuivre d’une part et étudier la mise en forme de tubes par hydroformage de tubes. Par suite, le coefficient de frottement a été caractérisé aussi bien par le modèle analytique que par le test classique ‘pion
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Brown, William E. III. "Development Of Design Equations For A Square-tube Subbase Supporting A Shaft-mounted Speed Reducer." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/30983.

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Shaft mounted speed reducers are used in material handling applications, such as conveyor systems for transporting ore out of mine shafts. A subbase joins the reducer with an electric motor, and serves to limit the misalignment between the motor shaft and the reducer input shaft. The entire assembly is supported at two points: the axis of rotation of the reducer output shaft, which is fixed, and a clevis-pin joint under the motor, which prevents rotation of the assembly about the reducer output shaft axis. In an effort to reduce the production and material costs of subbases that support shaf
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Shetty, Sandeep Kumar Lankarani Hamid M. "Finite element modeling of energy absorption characteristic of hybrid structure - composite wrapped on a square metal tube." Diss., Click here for available full-text of this thesis, 2006. http://library.wichita.edu/digitallibrary/etd/2006/t067.pdf.

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Thesis (M.S.)--Wichita State University, Dept. of Mechanical Engineering.<br>"May 2006." Title from PDF title page (viewed on October 29, 2006). Thesis adviser: Hamid Lankarani. Includes bibliographic references (leaves 47-51).
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Fišar, Luboš. "Kriteria vzniku defektů při ohybu profilových trubek." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229928.

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The thesis describes the knowledge from a round tube bending technology, as a description of conventional and unconventional devices. There are technological parameters in relation to the creation of defects, and equations for determining the bending moment. These knowledge has been generalized and applied to solution the changes of cross-section shape and thickness in the bending of square cross-section. The solution was implemented to specific component (20x2 mm steel tube with two successive radii R57,2 and R131,5). The results of experiments shows that the material is almost rigid-perfectl
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Dostál, Jan. "Tahokov." Master's thesis, Vysoké učení technické v Brně. Fakulta výtvarných umění, 2018. http://www.nusl.cz/ntk/nusl-377171.

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Controlled deformation. Under with conditions can the iron deformation process be affected? This work is focused on expanding steel profiles. Using various tests, I will confront the visual results with the technical possibilities of the material. Attempting to find a boundary that is still permissible in terms of maximum steel loading just before the material starts to fail. The resulting installation should show the enormous forces needed to distort the material, where the viewer will be directly confront with the process.
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Yang, Zhicheng. "Dynamic buckling of square tubes." Thesis, University of Liverpool, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243260.

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Ronchietto, Fabio Federico Piraino. "Crushing characteristics of axially stacked square tubes." Master's thesis, University of Cape Town, 2008. http://hdl.handle.net/11427/5478.

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Includes abstract.<br>Includes bibliographical references (leaves 190-195).<br>The crushing and energy absorption characteristics of thin-walled specimens consisting of single, welded and two axially stacked plate-divided mild steel square tubes were investigated by the performance of numerous quasi-static and dynamic axial crushing tests and FEM (finite element modeling). The simulation was carried out using the finite element package ABAQUS/Explicit 6.7.1. Lengths of the specimens ranged from 300mm to 1700mm encompassing the three main modes of buckling of square tube specimens; namely progr
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Kalhor, Roozbeh. "Energy Absorption of Metal-FRP Hybrid Square Tubes." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/74960.

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Lower-cost manufacturing methods have increased the anticipation for economical mass production of vehicles manufactured from composite materials. One of the potential applications of composite materials in vehicles is in energy-absorbing components such as hollow shells and struts (these components may be in the form of circular cylindrical shells, square and rectangular tubes, conical shells, and frusta). However, constructions which result in brittle fracture of the composite tubes in the form of circumferential or longitudinal corner crack propagation may lead to unstable collapse failure
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Butz, Travis M. "Tests on pultruded square tubes under eccentric axial load." Thesis, Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/21800.

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Yuen, Steeve Chung Kim. "The effects of blast induced imperfections on the energy absorption characteristics of square tubes." Doctoral thesis, University of Cape Town, 2006. http://hdl.handle.net/11427/5446.

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Word processed copy.<br>Includes bibliographical references (p. 305-320).<br>This investigation examines how blast-induced imperfections at opposite sides of a square tube affect the thin-wall structure and reduce its crush load when compressed in the axial direction i.e. its energy absorption characteristics.
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Books on the topic "Square tube"

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Farley, Gary L. Energy-absorption capability and scalability of square cross section composite tube specimens. National Aeronautics and Space Administration, Langley Research Center, 1987.

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Farley, Gary L. Energy-absorption capability and scalability of square cross section composite tube specimens. National Aeronautics and Space Administration, Langley Research Center, 1987.

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Center, Langley Research, and United States. Army Aviation Systems Command., eds. Energy-absorption capability and scalability of square cross section composite tube specimens. National Aeronautics and Space Administration, Langley Research Center, 1987.

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Naziruddin, A. N. Plastic collapse and energy absorption of thick and thin walled angular beams and square tubes. UMIST, 1993.

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J, Brindley W., and United States. National Aeronautics and Space Administration., eds. Heat transfer to throat tubes in a square-chambered rocket engine at the NASA Lewis Research Center. National Aeronautics and Space Administration, 1990.

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You, Yang. Beam to Square Steel Tube Endplate Connection Using Thread-Fixed One-side Bolts: Analysis and Design. Elsevier Science & Technology, 2024.

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Bücher, Kisten. Notebook - Vacuum Tube Behind Inspection Glass: Graphic of a Vacuum Tube, Squared Paper. Independently Published, 2021.

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Square Dance Tune : Piano Solo: Level 1B. Alfred Publishing Co., Inc., 1986.

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Book chapters on the topic "Square tube"

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Weik, Martin H. "square-tube splicer." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_18020.

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Kajikawa, Shohei, Yusuke Kato, Shiliang Zhang, Takashi Kuboki, and Masayoshi Akiyama. "Square Tube Fabrication by Expansion Drawing of Circular Tube." In Lecture Notes in Mechanical Engineering. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-41023-9_62.

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Tran, TrongNhan, PhucThien Nguyen, NhatTan Nguyen, and DucHieu Le. "Effect of Cross-Section on Anti-crushing and Energy Absorption Features of Single and Nested Square Tubes." In Lecture Notes in Mechanical Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-93891-7_28.

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Abstract This study investigates the anti-crushing and energy absorption performance of single and nested tube structures used as crushing absorbers. The tube sections analyzed had dimensions of 60 × 60 mm2, 70 × 70 mm2, and 90 × 90 mm2. Compared to the S1 tube, the S3 tube’s Peak Force (PF) was 86.6% larger, while its Specific Energy Absorption (SEA) was 29.4% smaller. Additionally, the NT sample exhibited 86.6% higher PF, 85.6% higher Mean Force (MF), and 85.6% higher Energy Absorption (EA) compared to the S1 sample. The study found a direct correlation between section size and mass: as thes
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Yang, Zhijian, Jixing Li, Guochang Li, and Weizhe Cui. "Finite Element Analysis of Reinforced Hollow High-Strength Concrete Filled Square Steel Tubular Middle-long Column under Eccentric Load." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2532-2_40.

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AbstractTraditional hollow concrete filled steel tube components are mainly used in the transformer power structure. In order to improve the mechanical properties and application scope of hollow concrete filled steel tube components, a new type of reinforcement hollow steel tube high-strength concrete combination structure is proposed. Given that the components in the construction system are frequently in an eccentric stress condition throughout the structural system, the finite element analysis program ABAQUS produces 20 eccentric compression middle-long column models. The overall force proce
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Yamashita, Minoru, Tomohito Okuyama, Naoya Nishimura, and Toshio Hattori. "Control of Onset of Buckling Lobe in Axial Impact of Square Tube." In Explosion, Shock Wave and Hypervelocity Phenomena. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-465-0.173.

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Shinde, Vilas, Elisabeth Longatte, Franck Baj, Y. Hoarau, and M. Braza. "Cross Flow Induced Vibration in a Single Tube of Square Array Using LES." In Progress in Hybrid RANS-LES Modelling. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-70031-1_40.

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Lee, Sung Hyuk, and Nak Sam Choi. "Bending Performance Evaluation of Reinforced Aluminum Square Tube Beams Considering Local Buckling Behavior." In Key Engineering Materials. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-978-4.2290.

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Zhang, Zijuan, Jiale Xing, Yao-Peng Liu, and Guochang Li. "Study of Initial Imperfection of Concrete-Filled Square Steel Tube Columns for Direct Analysis." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-7331-4_46.

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Jianke, Zhang, Wang Xinwu, Fan Lidan, Liu Huanhuan, and Zhao Junyang. "Experimental research on the connection node of square steel tube column and T-shaped piece." In Frontiers of Civil Engineering and Disaster Prevention and Control Volume 1. CRC Press, 2022. http://dx.doi.org/10.1201/9781003308577-17.

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Li, Daheng, Shuwen Yu, Ahmed A. Ghani, and Changhong Peng. "Numerical Calculation of Flow Heat Transfer in a Single Square Tube Under a Blockage Accident." In Springer Proceedings in Physics. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8899-8_21.

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Conference papers on the topic "Square tube"

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Coquard, Typhaine, Bruno Camassel, and Marc Prat. "Evaporation in Capillary Tubes of Square Cross Section." In ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. ASMEDC, 2005. http://dx.doi.org/10.1115/ht2005-72452.

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Modeling of evaporation of a pure liquid within a capillary tube of circular cross section is a classic problem which has been the subject of many studies. Here we consider the case of tubes of polygonal cross section. This case leads to much greater evaporation rates owing to the liquid flow along the tube edges induced by the capillary forces. We concentrate on slow evaporation situations for which evaporation is controlled by mass transfer. Various evaporation regimes are distinguished depending on the competition between capillary, gravity and viscous forces. When the capillary forces are
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Lumsden, Robert H., and David S. Weaver. "The Effect of Fins on Fluidelastic Instability in In-Line and Rotated Square Arrays." In ASME 2007 Pressure Vessels and Piping Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/pvp2007-26597.

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The study of fluidelastic instability in tube arrays has been ongoing for four decades. Although much research has been conducted, a full understanding of the mechanisms involved is still not available. Designers of cross-flow heat exchangers must depend on experience and empirical data from laboratory studies. As new designs are developed, which differ from these experimental facilities, there is an increased risk of failure due to fluidelastic instability. An experimental program was conducted to examine fluidelastic instability in in-line and rotated square finned tube arrays. Three arrays
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Liu, Xiaofang, Ziwen Fang, Haifeng Hong, et al. "Deformation and Energy Absorption of Steel Square Tubes With Optimized Shape Design." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-12446.

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Abstract Square crush tubes have been widely used as impact energy absorbers in automotive and railway vehicles. In this paper, a square tube with vertical plates and dents has been designed to increase the controllability and stability of crash performance. Vertical plates are welded perpendicularly to the side walls of the tube, which increase the transverse stiffness and ensure the tube crashes in longitudinal direction under impact not in ideal axial direction. Dents have been put on the side walls near the front end of the tube to ensure the collapse always start from the front and progre
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Khulief, Y. A., and S. A. Said. "Experimentally-Tuned Finite Element Model of Flow-Induced Vibrations in a Square Tube Bundle Subjected to Cross-Flow." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-85810.

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It has been recognized that modeling of the complex dynamics of fluidelastic forces, that give rise to vibrations of tube bundles, requires a comprehensive dynamic model of high fidelity based on experimental insight. Accordingly, the prediction of the flow-induced vibration due to unsteady cross-flow can be greatly aided by semi-analytical models, in which some coefficients are determined experimentally. In this paper, the elastodynamic model of the tube array is formulated using the finite element approach, wherein each tube is modeled by a set of finite tube-elements. The interaction betwee
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Zhou, Hanwei, Ling Zhu, Shengming Zhang, and T. X. Yu. "Experimental Study on Ultimate Strength of Thin-Walled Square Tube Under Axial Compression." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-96134.

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Abstract There are many welded thin-walled square tube structures in ship structures. At present, researchers are mainly involved in axial compressive ultimate strength of square tubes with large aspect ratios. However, the study of square tubes with small aspect ratios on ultimate strength capacity have seldom been conducted. In order to study the ultimate strength capacity of thin-walled square tubes with small aspect ratio under axial compression, three welded thin-walled square tubes with different slenderness ratios were manufactured and studied in this paper. The ultimate strength of tho
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Darwish, S., A. Hadji, H. P. Pham, N. Mureithi, and C. H. Ha. "Flow-Induced Vibration Behaviour of a Rotated Square Tube Array Subjected to Cross-Flow." In ASME 2021 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/pvp2021-62462.

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Abstract The present paper presents experimental tests investigating flow-induced vibration and possible fluidelastic instability (FEI) in a rotated square geometry tube array. The pitch spacing ratio of approximately P/D = 1.64 is somewhat larger than that found in typical array geometries. Experiments were conducted in water flow. The stability of a single flexible tube as well as multiple flexible tubes was investigated. The tubes were free to vibrate purely in the streamwise direction or the transverse direction relative to the upstream flow. A single flexible tube, in the otherwise rigid
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Ali, Muhammad, Eboreime Ohioma, and Khairul Alam. "Study of Energy Absorption Characteristics of Square Tube With Composite Cellular Core." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-86916.

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Square tubes are primarily used in automotive structures to absorb energy in the event of an accident. The energy absorption capacity of these structural members depends on several parameters such as tube material, wall thickness, axial length, deformation modes, locking strain, crushing stress, etc. In this paper, the work presented is a continuation of research conducted on exploring the effects of the introduction of cellular core in tubular structures under axial compressive loading. Here, the crushing response of composite cellular core tube was numerically studied using ABAQUS/Explicit m
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Okano, Masanori, Hiroshi Saito, Asami Nakai, and Hiroyuki Hamada. "Energy Absorption Properties of Various Square FRP Tubes." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-42227.

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In this study, the static and impact energy absorption characteristics and crushing mechanism based on precise cross-sectional observation of crush zone in two kinds of square FRP tube were investigated. The specific energy absorption value of unidirectional tube showed higher value than that of knitted fabric tube in both static and impact test. Energy absorption mechanism changed from central crack progressive mode with fiber fracture to delamination mode without fiber fracture for unidirectional tube, and from central creck progressive mode to collapse mode with large fragments of inner fro
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Khalifa, Ahmed, David Weaver, and Samir Ziada. "Fluidelastic Instability of a Single Flexible Tube in a Rigid Tube Array." In ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30030.

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Tube and shell heat exchangers are commonly used in both fossil and nuclear power plants. The unexpected failure for such components is expensive and potentially dangerous. Of the various excitation mechanisms which can cause excessive tube vibration, fluidelastic instability is the most dangerous and therefore has received the most attention. The present study reviews the experimental work published in the open literature which involves the use of a single flexible tube in a rigid array to study fluidelastic instability. The data are categorized based on the array geometry into four main grou
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Jenson, Sean, and Muhammad Ali. "Cellular Core Square Tube Crushing Analysis With Induced Folding Mechanisms." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-94847.

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Abstract Thin-walled axial crushing members are often employed as energy absorbers in crash attenuators and automobile chassis designs. They improve crashworthiness while maintaining low structural weight addition due to their high strength to weight ratios. The addition of core material has also shown to increase energy absorption capacity and increase structural stability during deformation. Specifically, the addition of functionally graded cellular cores maintained high strength to weight ratios and assisted the increase in strength and stability. The present study aimed to investigate the
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Reports on the topic "Square tube"

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Liu, Xuechun, Xu Lu, Shuanghui Pu, and Ailin Zhang. STATIC PERFORMANCE STUDY ON SLIDEABLE ALL BOLTED CONNECTION OF TRUSS TO SQUARE STEEL TUBE COLUMN. The Hong Kong Institute of Steel Construction, 2018. http://dx.doi.org/10.18057/icass2018.p.110.

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Dan, Gan, Yan Feng, Cheng Rui, and Zhou Xuhong. CYCLIC TESTS OF CONCRETE-FILLED U-SHAPED STEEL BEAM TO CONCRETE-FILLED SQUARE STEEL TUBE COLUMN JOINTS. The Hong Kong Institute of Steel Construction, 2018. http://dx.doi.org/10.18057/icass2018.p.031.

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Shimizu, Yuki, Dai-heng Chen, and Kuniharu Ushijima. Axial Compression of Corrugated Square Tubes. SAE International, 2005. http://dx.doi.org/10.4271/2005-08-0232.

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FLEXURAL BEHAVIOR OF REINFORCED HOLLOW HIGH STRENGTH CONCRETE FILLED SQUARE STEEL TUBE. The Hong Kong Institute of Steel Construction, 2024. http://dx.doi.org/10.18057/ijasc.2024.20.2.12.

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Flexural behavior of reinforced hollow high strength concrete filled square steel tube was studied through test and finite element analysis. Six specimens were designed to consider effects of steel ratio and reinforcement ratio. The failure modes, bending moment-curvature curve, load-strain curve and distribution of the deflection curves were analyzed. The results showed that the steel tube, PHC column, sandwich concrete can work well together subjected to bending moment. The change process of moment-curvature curve of specimen could be divided into three stages: elastic stage, elastic-plastic
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ANALYSIS AND DESIGN OF AXIALLY LOADED SQUARE CFST COLUMN TO RC BEAM JOINTS STIFFENED BY DIAGONAL RIBS. The Hong Kong Institute of Steel Construction, 2023. http://dx.doi.org/10.18057/ijasc.2023.19.1.6.

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This work proposes a partially through-beam joint system to connect square concrete-filled steel tubular (CFST) columns and reinforced concrete (RC) beams. In the system, the holes in the steel tube allow longitudinal beam reinforcements to be continuous through the joint zone to achieve direct load-transfer of the beam, and the square steel tube with holes is strengthened by welding diagonal ribs located at the corners of the steel tube. Finite element (FE) analyses on joints with RC beams were carried out based on verified models. The analysis results showed that diagonal ribs welded to the
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MECHANICAL PROPERTIES OF HGMFSST COLUMNS UNDER AXIAL COMPRESSION-EXPERIMENT AND ANALYSIS. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/ijasc.2022.18.4.10.

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High-strength grouting material (HGM) has the characteristics of early strength, high strength, high self-flow, and micro-expansion, but research on composite columns formed by steel tube and HGM is relatively scarce. Therefore, in this paper, the mechanical properties of HGM-filled square steel-tube columns (HGMFSST columns) under axial compression were experimentally studied. The main parameters included tube thickness (t) and HGM strength (fck). The test results showed that members with t = 4 mm failed due to local buckling, and members with thicker steel tube thickness failed mainly due to
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AXIAL COMPRESSION BEHAVIOR OF SQUARE THIN-WALLED CFST COLUMN TO RC BEAM JOINTS. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/icass2020.p.288.

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To investigate the influence of eccentricity ratio and slenderness ratio on the mechanical properties of eccentric compressed concrete filled steel tubular (CFST) lattice column, the ultimate bearing capacity tests of 20 K shape arrangement lacing strip of four-tube CFST columns were conducted. Based on the stress-strain relationship of CFST and the influence of shear deformation, the equilibrium equation of the mid-section is established and a numerical method for the ultimate bearing capacity of CFST lattice column is proposed. The slenderness reduction coefficient calculation model and equi
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ANALYSIS OF THE DYNAMIC MECHANISM OF SQUARE TUBULAR T-JOINTS WITH CHORD FLANGES SUBJECTED TO IMPACT LOADING. The Hong Kong Institute of Steel Construction, 2024. http://dx.doi.org/10.18057/ijasc.2024.20.1.3.

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This study examines the dynamic mechanical properties of square tubular T-joints with impact loads acting on the chord surface in the joint area. The study first verified the failure modes and behaviors of the specimens under a brace axial force and impact, respectively, where the simulation results demonstrated good agreement with the experimental results. A total of 138 square hollow section tubular T-joint finite element models were divided into T1, T2, and T3 groups based on different tube diameter ratios. The failure modes, displacement-time history curves, and impact force-time history c
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EXPERIMENTAL STUDY ON MECHANICAL PERFORMANCE OF BUCKLING-RESTRAINED BRACE ON FRAMES WITH HIGH-STRENGTH CONCRETE-FILLED SQUARE STEEL TUBE COLUMNS. The Hong Kong Institute of Steel Construction, 2023. http://dx.doi.org/10.18057/ijasc.2023.19.3.9.

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Using buckling-restrained braces (BRBs) in frames with high-strength concrete-filled square steel tube columns(HSCFSSTC) can solve issues such as brittle failure and low lateral stiffness. To investigate the mechanical performance of buckling-restrained brace frames(BRBFs), an experiment study was conducted. The investigation involved the design and analysis of a frame system composed of BRBs, HSCFSSTC and H-shaped steel beams. Sub-structures at a 1/3 scale with two types of connections, welded and pin connections, were subjected to pseudo-static tests. The influence of BRBF connection types o
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FINITE ELEMENT ANALYSIS ON BEHAVIOR OF HCFHST MIDDLE LONG COLUMNS WITH INNER I-SHAPED CFRP UNDER AXIAL LOAD. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/icass2020.p.033.

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In this paper, the behavior of high-strength concrete filled high-strength square steel tube (HCFHST) middle long columns with inner I-shaped CFRP profile under axial load was studied. The finite element analysis models were established by ABAQUS software based on reasonable material constitutive relationship models. The whole process curve of load-deformation was analyzed. In addition, effects of concrete strength, steel yield strength, slenderness ratio, steel ratio and configuration ratio of CFRP on mechanical behavior of middle long columns were studied. On the basis of the parametric anal
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