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Parametric optimization of flow in a solar chimney power plant under variable semi elliptical constraints.
Sci Rep
January 2025
Department of Mathematical Sciences, United Arab Emirates University, P.O. Box 15551, Al Ain, Abu Dhabi, United Arab Emirates.
In response to the ongoing quest for more efficient renewable energy sources, this research addresses a significant gap in understanding the performance variations of Solar Chimney Power Plant (SCPP) models, particularly focusing on the influence of flow parameters in full and half-inclined collector sections featuring semi-elliptical curvature. The motivation stems from the need to optimize SCPP designs for enhanced energy generation while minimizing resource utilization and environmental impact. This research focuses on investigating flow parameter variations in Solar Chimney Power Plant (SCPP) models with full and half-inclined collector sections featuring semi-elliptical curvature and variable semi-minor heights (b: 0.
View Article and Find Full Text PDFDoes Improved Resection Plane Coverage During Shoulder Arthroplasty Influence Proximal Humeral Bone Stress? A Comparison of Circular vs. Elliptical Humeral Heads.
J Shoulder Elbow Surg
December 2024
Department of Mechanical Engineering, Western University, London, ON, Canada; The Roth|McFarlane Hand and Upper Limb Centre, St. Joseph's Hospital, London, ON, Canada; Department of Surgery, Western University, London, ON, Canada. Electronic address:
Introduction: Stress shielding remains a concern following total shoulder arthroplasty using press-fit short humeral stems. While the effect of alterations in implant geometry, positioning, and sizing on stress shielding have been investigated, the effects of coverage of the cortical boundary of the resection plane have not yet been fully explored. The purpose of this study was to quantify the effect of improved cortical coverage using elliptical vs.
View Article and Find Full Text PDFMorphological Changes of the Apical Foramen in Curved Root Canals After Use of Different Heat Treated NiTi Rotary Files: A Scanning Electron Microscopy Study.
Eur Endod J
December 2024
Department of Conservative Dentistry and Endodontics, University of Jammu, J and K, Indira Gandhi Government Dental College Jammu, India.
Objective: The present study aimed to evaluate the effect of heat-treated nickel titanium (NiTi) files TruNatomy and XP- Endo Shaper on the major apical foramen deformation and enlargement in curved root canals using area, circularity, and Feret's diameter ratio.
Methods: Sixty mesio-buccal roots of maxillary and mandibular molars with Vertucci type II root canal were selected. The teeth were decoronated using a carborundum disc.
Source-detector trajectory optimization for FOV extension in dental CBCT imaging.
Comput Struct Biotechnol J
December 2024
Research Center for Clinical AI-Research in Omics and Medical Data Science (CAROM), Department of Medicine, Danube Private University (DPU), Krems, Austria.
In dental imaging, Cone Beam Computed Tomography (CBCT) is a widely used imaging modality for diagnosis and treatment planning. Small dental scanning units are the most popular due to their cost-effectiveness. However, these small systems have the limitation of a small field of view (FOV) as the source and detector move at a limited angle in a circular path.
View Article and Find Full Text PDFLocation Method of Buried Polyethylene Gas Pipeline Based on Acoustic Signal Ellipse Method.
Sensors (Basel)
November 2024
Changchun Special Equipment Inspection & Research Institute (Changchun Special Equipment Safety Monitoring Center), Changchun 130013, China.
This study proposes a buried PE gas pipeline positioning method based on the elliptical method of an acoustic signal analysis. The cross-correlation time delay positioning technology is combined with the elliptical equation, forming an effective mechanism for pipeline depth positioning. First, a dual-tree complex wavelet transform is employed to denoise the collected signals, enhancing the quality and accuracy of the data.
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