Comparative Studies on Micro-Fins Geometry for Fin Efficiency and Effectiveness by Hari Prasadarao Pydi, Anusha Peyyala, M. Naga Swapna Sri, N. Srinivasa Rao, Sivasundar Vijayakumar, Deepa Devarajan

“…Rectangular, triangular, and parabolic specimens were fabricated (dimensions: 45×45×6mm3, spacing: 5 mm). …”
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Comparison between concrete stress diagrams according to the Brazilian standard ABNT NBR 6118: 2014 by Victor Hugo Dalosto de Oliveira, Rodolfo Alves Carvalho, Luana Ferreira Borges, Paulo Chaves de Rezende Martins, Rodolfo Rabelo Neves, João Paulo de Almeida Siqueira, Gabriel Yves da Silva Oliveira, Cintia Adriana Azevedo de Liz Anhaia

“…Deductions and numerical examples were used, and different results were obtained for each formulation. …”
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Anatomical evaluation of the positions of bone tunnels created using a rectangular retro-dilator in revision anterior cruciate ligament reconstruction by Daisuke Kubota, Hiroteru Hayashi, Daisaburo Kurosaka, Ryo Ikeda, Tomohiro Kayama, Toshiyuki Omori, Teruyuki Miyasaka, Naoya Esaki, Taiki Neyatani, Mitsuru Saito

“…Abstract Background This study used three-dimensional computed tomography (3D-CT) to evaluate the targeted positions of rectangular bone tunnels created using a rectangular retro-dilator (RRD) in revision anterior cruciate ligament (ACL) reconstruction, with the aim of assessing the accuracy of the technique in bone tunnel creation at the target position. …”
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A Numerical Analysis of the Effect of Corrugated Surface Profile on Heat Transfer in Turbulent Flow Through a Rectangular Mini-Channel by Mansur Mustafaoğlu (nasiri Khalaji), Muhammet Kaan Yeşilyurt

“…In the present study the effect of corrugated surface profile on heat transfer and flow characteristics were numerically investigated under turbulent flow conditions in a rectangular cross-section mini-channel through Computational Fluid Dynamics (CFD) simulations using the ANSYS Fluent 2019 software. …”
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Effect of Cross-Sectional Aspect Ratio on Rectangular FRP-Concrete-Steel Double-Skin Tubular Columns under Axial Compression by Bing Zhang, Xia-Min Hu, Wei Wei, Qian-Biao Zhang, Ning-Yuan Zhang, Yi-Jie Zhang

“…The effect of the cross-sectional shape of the inner steel tube (i.e., both elliptical and rectangular inner steel tubes were used) and the effect of FRP tube thickness were also investigated experimentally. …”
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Broadened-Beam Uniform Rectangular Array Coefficient Design in LEO SatComs Under Quality of Service and Constant Modulus Constraints by Weiting Lin, Yuchieh Wu, Borching Su

“…In this paper, beam broadening methods for uniform rectangular arrays (URAs) in LEO SatComs were studied. …”
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Computational fluid dynamics (CFD)- deep neural network (DNN) model to predict hydrodynamic parameters in rectangular and cylindrical bubble columns by Vishal Dhakane, Praneet Mishra, Ashutosh Yadav

“…Similarly, for cylindrical bubble columns, the MSE values were 0.0009 for gas holdup and 0.0006 for axial liquid velocity.…”
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Torque moments and stress analysis in two passive self-ligating brackets across different incisor inclinations: A 3-dimensional finite element study by Rajat Kanta Satapathy, Shubhnita Verma, Jangam Sowmya, Prasad Chitra

“…Methods: Reporting guidelines for in-silico studies using finite element analysis in medicine (RIFEM) were used. Damon Q and Pitts 21 brackets were scanned and 3D models generated. …”
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Quantitative evaluation of surface roughness and mass loss for different types of composite resins used for clear aligner attachments: an in vitro study by Rana R. Alshammari, Rana R. Alshammari, Nada Alshihah, Aljazi Aldweesh

“…Therefore, the aim of this research was to compare the surface roughness and mass loss of six types of composite resins.Materials and methodsNinety rectangular composite resin attachments (2 × 4 × 1 mm) were fabricated using three flowable composite resins (Tetric PowerFlow, Filtek™ Supreme Flowable Restorative, and Clearfil Majesty Flow) and three restorative composite resins (Tetric PowerFill, Filtek™ Supreme XTE Universal, and Estelite Sigma Quick). …”
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Performance Improvement of an Integrated Collector Storage Solar Water Heater by Using an Additional Glass Cover: A Numerical Study by Angham F. Abed, Noora A. Hashim, Ruaa B. Dahham, Esam H. Alkaldy

“…The study employs numerical analysis to assess and optimize the performance of a rectangular solar collector with an added glass cover and an internal horizontal barrier. …”
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Cavity Effects and Prediction in the Vibration of Large-Section Rectangular Coal Roadways Induced by Deep-Hole Bench Blasting in Open-Pit Mines by Anjun Jiang, Honglu Fei, Yu Yan, Runcai Bai, Shijie Bao

“…Based on coal roadway vibration monitoring data and numerical simulations, the cavity effect and vibration response characteristics of the coal roadway induced by deep-hole bench blasting under varying blast source distances and relative angle conditions were analyzed. A predictive model for PPV of rectangular coal roadway surrounding rock, incorporating the relative angle as one of the key influencing factors, was developed. …”
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Oxygen consumption and heart rate obtained in a ramp protocol are equivalent during exercise session of rectangular loading at ventilatory thresholds for athletes by Victor Hugo Gasparini Neto, Paulo Azevedo, Luciana Carletti, Anselmo José Perez

“…This study tested if O2 and heart rate (HR) corresponding to first (VT1) and second ventilatory threshold (VT2) determined during a ramp protocol were equivalent to those observed in rectangular load exercises at the same intensity in runners elite athletes (EA) and non-athletes (NA). …”
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Influence of Varying Temperature and Concentration on Magnetohydrodynamics Peristaltic Transport for Jeffrey Fluid with a Nanoparticles Phenomenon through a Rectangular Porous Duct by Dheia Gaze Salih

“…Numerical results were obtained for temperature distribution, nanoparticles concentration, velocity, pressure rise, pressure gradient, friction force and stream function. …”
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Experimental Study on Axial Compression Behaviour of Ultra-high-performance Concrete-filled Duplex Stainless Steel Tube Stub Rectangular Columns by TANG Hongyuan, WANG Huixiang, LIU Ye

“…This study addresses these limitations by developing ultra-high-performance concrete (UHPC) -filled duplex stainless steel tube (UFSST) columns, which significantly enhance corrosion resistance, load capacity, and deformation behavior.MethodsTwelve rectangular short-column specimens were subjected to axial compression tests to evaluate the performance of UFSST columns. …”
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Mechanical Performance Evaluation and Strengthening of Rectangular RC Columns with Deficient Lap Splices: Monotonic Loading Tests and Equivalent Plastic Hinge Modeling by Yuheng Zhao, Fangxin Jiang, Xue Zhang, Yufeng Guo

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Traveling-wave tubes on looping waveguides with a potential jump by A. V. Aksenchyk, I. F. Kirynovich

“…In this work, we have chosen a slowing down system in the form of a chain of looping rectangular waveguides. Its advantage is that it has a wide bandwidth and each link in such a chain is coordinated with the adjacent ones. …”
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Surface roughness impact of 3D Ti-alloy printed WR-10 waveguide and rectangular horn antenna at W-band (75-110 GHz) by Cheolbok Kim, Ryan Cadwell, Anthony Ngoma, Zhong Yang, Md Mufassal Ahmad, Jungkwun Kim, Sung Jin Kim

“…Abstract To investigate the effect of the surface roughness of 3D-metal-printed sub-THz components, the WR-10 3-inch-long waveguide and 24 dBi rectangular horn antenna were 3D-metal-printed using a titanium alloy powder and a high-resolution 3D metal printer. …”
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Three-dimensional numerical simulation on fracture mechanical behavior and acoustic emission characteristics of rectangular sandstone containing non-coplanar fissures under convent... by Sheng-Qi Yang, Yue Li, Peng-Fei Yin, Zhen Zhong, Xiao-Shuang Li, Yu Song

“…Therefore, based on the triaxial test of rectangular sandstone with non-coplanar fissures, employing three-dimensional discrete element numerical model (PFC3D), the failure mechanism and AE characteristics of rock specimens under different confining pressures and rock bridge inclinations were investigated. …”
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Comparison of effects of two different feeding rations (high feed rates and limited) on growth of rainbow trout in rectangular concrete pools culture conditions of Susehri in Turke... by Seher Dirican, Haldun Musul

“… This study is focused on comparison of effects of two different feeding rations on growth of rainbow trout in rectangular concrete pools culture conditions of Susehri in Turkey. …”
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Simulation Analysis and Optimization of the Shearing Type of Quadrangular Rotor by SUN Quan-ying, CAO Fei-fe, MA Ming-ming, WANG Tian-peng, ZHOU Zong-ping

“…In order to improve the reliability and stability of the mixer rotor, to meet the design requirements of the sheartype foursided rotor, in work this paper, the static analysis and modal analysis of the shearing type of quadrangular rotor were carried out by using Solidworks Simulation module, and we obtained the rotor stress and deformation distribution and critical speed range The optimization algorithm was used to optimize the design based on the finite element analysis, the results show that the shear strength of rectangular rotor strength increased by 50%, the stiffness increased 153%, the resonance speed interval is reduced by 46%, and the analysis results have certain guiding significance for the structural optimization and improvement of the shearing type of quadrangular rotor.…”
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