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201
Optimization of Cooling Channel Structure and Numerical Simulation of Heat Transfer with Flow for CPC Collector
Published 2023-09-01“…On this basis, three kinds of inlet section schemes with different shapes, namely, rectangular, semicircular and trapezoidal inner tubes, were proposed, and the heat transfer flow characteristics of channels with different inlet sections and the thermoelectric efficiency of the system were compared. …”
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202
Static Characteristics and Unloading Effect of Deep Overburden Soil Ladder Arch Tunnel
Published 2024-07-01“…Additionally, it aims to clarify the advantages of trapezoidal arches over traditional rectangular arches.Methods This analysis combines indoor modeling tests and numerical simulations. …”
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203
Le site de Plomb « le Mesnil » (Manche), ixe-xiie siècle. Regard sur l’habitat rural du haut Moyen Âge dans l’Ouest français
Published 2007-12-01“…During the 11th-12th centuries, a rectangular building comprising both posts and stone foundations was erected while some parts of the ancient ditch system were reused. …”
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204
Experimental Study and Effective Width Method for Cold-Formed Steel Lipped Channel Stud Columns with Holes
Published 2021-01-01“…The tested stud columns included 4 members without holes, 12 members with circular holes, and 12 members with rectangular holes. The test results showed that the stud columns with holes were governed by local buckling or the interaction of local buckling and distortional buckling. …”
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205
Vibration Analysis of Thin Plate Structures Subjected to a Moving Force Using Frequency-Domain Spectral Element Method
Published 2018-01-01“…The thin plate structures may consist of multiple rectangular thin plates with arbitrary boundary conditions that form multispan thin plate structures, such as bridges. …”
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206
Heat Transfer Optimization of Three Sections of Mini-channel with CuO Nanofluid
Published 2025-07-01“…Three-dimensional channel designs (rectangular, convergent, and converge-diverge) using distilled water and (CuO) nanofluids as a coolant have been compared numerically and experimentally. …”
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207
Design of a Slotted Waveguide Antenna by Means of VBScript Scripting Language Macros in CAD Ansys HFSS
Published 2020-02-01“…In order to design and edit slotted waveguide antennas in CAD Ansys HFSS four macros in the VBScript language were established: for slot subtraction from a broad wall of a rectangular waveguide at given coordinates; for removing the original slots created using the previous macro; for drawing a polyline passing through the centers of the slots, in order to verify the antenna’s near field realized distribution; for inclined slot subtraction from a narrow wall of a rectangular waveguide at given coordinates. …”
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208
Behavior of the T-Shaped Concrete-Filled Steel Tubular Columns after Elevated Temperature
Published 2021-01-01“…A total of 30 TCFST short columns with different temperature (T), steel ratio (α), and duration of heating (t) were tested. The TCFST column was directly fabricated by welding two rectangular steel tubes together. …”
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209
Enhancement of electric field uniformity using 3-phase circular electrodes in RF heating applications
Published 2025-02-01“…A 3D computational simulation model was used to analyze the electric field uniformity at an operating frequency of 13.56 MHz and compared it with conventional single-phase rectangular electrodes. Both simulations and experimental measurements were conducted at 16 points on a plane 1 mm above a ham sample to evaluate the electric field strength. …”
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210
Isolation Enhancement Based on TM010 and TE30 Mode Characteristics in a Patch Antennas Using Genetic Algorithm Optimization for Ku-Band Applications
Published 2025-01-01“…This paper proposes a novel technique to enhance isolation in rectangular patch antennas by leveraging the mode characteristics of TM010 and TE30 to achieve better than −40 dB between the transmitter and receiver with dual-polarization features. …”
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211
Effect of mushy zone constant in Voller-Prakash model on keyholing behaviour in laser powder bed fusion simulation
Published 2024-12-01“…As a result, much smaller values of C were obtained compared to the commonly used range of C>105. …”
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212
Who’s In and Who’s Out? War News from Mexico and the Framing of Evil
Published 2023-11-01“…Just as the rectangular portico evokes a canvas, so too the newspaper, perfectly centered within the portico. …”
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213
Synthesis and electrochemical characterization of APS/FeCl3-PPy@Co2O3 nanocomposites for supercapacitors
Published 2025-07-01“…In this research, PPy@Co2O3 NCs were synthesised using ammonium persulfate (APS) and ferric chloride (FeCl3) as oxidants. …”
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214
Numerical analysis on heat transfer enhancement of Al2O3 and CuO-water nanofluids in annular curved tubes
Published 2025-01-01“…Three coil geometry shapes (including helical, spiral, and conical), five annular cross-section shapes (including circular, elliptical, square, rectangular, and triangular), and three cross-section areas were also investigated in this study. …”
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215
Using Sentinel-1 Time Series Data for the Delineation of Management Zones
Published 2025-05-01“…The objective of this research was to develop a method for mapping soil attributes based on Management Zones (MZs) delineated from Sentinel-1 radar data. Sentinel-1 images were used to create time profiles of six indices based on VV (vertical–vertical) and VH (vertical–horizontal) backscatter in two agricultural fields. …”
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216
A Widely and Continuously Tunable Single-Mode Transmitter Based on a Hybrid Microcavity Laser
Published 2024-11-01“…A method for achieving the single-mode and efficient unidirectional emission of a whispering gallery mode (WGM) semiconductor laser is presented herein. Hybrid square-rectangular lasers (HSRLs) and hybrid square/rhombus-rectangular lasers (HSRRLs) consisting of a Fabry–Pérot (FP) cavity and a square or rhombus cavity microcavity are described. …”
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217
Versions of the Collocation and Least Residuals Method for Solving Problems of Mathematical Physics in the Convex Quadrangular Domains
Published 2017-10-01“…In addition the “small” irregular triangular cells that had been cut off by the domain boundary from rectangular cells of the initial regular grid are joined to adjacent quadrangular cells. …”
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218
Optimization of a cylindrical heatsink with L-shaped fins to minimize thermal resistance variation by installation angle
Published 2025-04-01“…By varying the fin deletion area, fin count, and cylindrical base radius, the ranges of porosity factor and finning factor were determined as 0.7054 ≤ φ ≤ 0.7494 and 2.1069 ≤ ψ ≤ 3.9874, respectively. …”
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219
Design of multiple-stage hydraulic cylinder for structural safety and sealing analysis
Published 2025-04-01“…Additionally, sealing performance tests were carried out for three commonly used hydraulic seals (O-ring, Rectangular-ring, U-seal). …”
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220
Numerical analysis of integrated photovoltaic thermal systems utilizing nanoparticles with phase change material and fin attachments
Published 2025-05-01“…In this study, a three-dimensional photovoltaic thermal /phase change material (PVT/PCM) model is numerically assessed to evaluate the impact of using a variable number of rectangular fins on the system's efficiency. Specifically, PVT/PCM assemblies with 5, 10, 15, and 20 fins, alongside vane heights of 0.15, 0.4, 0.65, and 0.9 (expressed as the ratio h/H), were examined using a 6 % MWCNT nanofluid coolant. …”
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