Results 31 to 40 of about 19,691 (264)
Dynamic-mesh-based Simulation and Cavitation Erosion Prediction in Hydrodynamic Journal Bearings [PDF]
Journal of Applied Fluid MechanicsThis study investigates the cavitating lubrication flow and the associated erosion risk within the oil film of small-clearance journal bearings subjected to prescribed eccentric motion.
F. Wang, W. Han, L. Li, M. Li, B. Zhu
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Preparation of the micro-size flake silver powders by using a micro-jet reactor
Green Processing and Synthesis, 2022 The micro-size flake silver powders were prepared through wet-chemical reduction method by using a micro-jet reactor. Herein ascorbic acid was used as a reducing agent, and sulfuric acid was used as a stabilizer.
Li Jun +7 more
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Crystals, 2022 High-voltage electric field-driven jet deposition technology is a novel high resolution micro scale 3D printing method. In this paper, a novel micro 3D printing method is proposed to fabricate wax micro-structures.
Yanpu Chao +5 more
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A numerical study of double flow focusing micro-jets
International Journal of Numerical Methods for Heat & Fluid FlowPurpose Double flow-focusing nozzles (DFFNs) form a coaxial flow of primary liquid with micro-crystalline samples, surrounded by secondary liquid and focusing gas. This paper aims to develop an experimentally validated numerical model and assess the performance of micro-jets from a DFFN as a function of various operating parameters for the water ...
Zahoor, Rizwan +2 more
openaire +3 more sources
Polishing inner wall of crossed deep micropores using magnetic microabrasive jet technology
Jin'gangshi yu moliao moju gongchengObjectivesPrecision micro through-hole parts are widely used. However, due to the limitations of manufacturing technology, precision parts with complex shapes, such as cross micro-holes, may have defects such as burrs, scratches, and nodules during the ...
Zezhi WANG +5 more
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Near‐Field Electrospinning Micro‐Printhead Achieves Precise Control of Nanofiber Deposition
Advanced Engineering Materials, EarlyView.A micro‐printhead for near‐field electrospinning enables reproducible deposition of polymer nanofibers with diameters below 50 nm. Systematic parameter studies uncover the mechanisms linking operating conditions to fiber morphology, paving the way for precise and low‐cost nanoscale 3D manufacturing.As a high‐resolution, cost‐effective, and rapid ...
Han Xu, Dario Mager, Jan G. Korvink
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Frontiers in Energy Research, 2022 The effect of wall thickness on the combustion characteristics of nonpremixed hydrogen micro-jet flames was studied by two-dimensional numerical computation with a detailed reaction kinetics for the development of hydrogen micro-burner.
Xing Li +6 more
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Frontiers in Molecular Biosciences, 2023 The results of an experimental study of micro-jets produced with a gas dynamic virtual nozzle (GDVN) under the influence of an electric field are provided and discussed for the first time.
Bor Zupan +13 more
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Advanced Engineering Materials, EarlyView.Additive manufacturing provides precise control over the placement of continuous fibres within polymer matrices, enabling customised mechanical performance in composite components. This article explores processing strategies, mechanical testing, and modelling approaches for additive manufactured continuous fibre‐reinforced composites.
Cherian Thomas, Amir Hosein Sakhaei
wiley +1 more source
Applied Sciences, 2021 Microfluidic devices which integrate both rapid mixing and liquid jetting for sample delivery are an emerging solution for studying molecular dynamics via X-ray diffraction.
Majid Hejazian +2 more
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