Results 71 to 80 of about 176,725 (228)
Karl Popper and the Mechanisms of Hydrogen Embrittlement
Advanced Engineering Materials, EarlyView.Representation of the beginning of loss of ductility rather than embrittlement. Small concentrations of hydrogen in a diffusible form within iron are well‐established to harm the mechanical integrity of steels. There are theories that attempt to explain the pernicious role of hydrogen.
H. K. D. H. Bhadeshia
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Development of Empirical Correlations for Centrifugal Pump Performance: Effects of Casing on Hydraulic Efficiency [PDF]
Journal of Applied Fluid MechanicsThe study evaluates the performance of a centrifugal pump by comparing two CFD configurations: an impeller-only model (Model-A) and a full pump model with casing (Model-B).
A. U. Rehman, A. R. Paul, A. Jain
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Advanced Engineering Materials, EarlyView.Identified through the use of statistical design of experiments and metallographic investigation, this study exposes the stochastic origins of intergranular cracks in blown powder laser beam directed energy deposition additive manufacturing of pure molybdenum. It further demonstrates a successful crack mitigation approach with direct correlation to the
Nathaniel J. Lies +2 more
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Aerodynamic Prediction and Optimization of Compressor Stators Based on Deep Learning
Applied SciencesThe aerodynamic performance of compressor stators critically affects aircraft engine efficiency, yet traditional CFD-based evaluation and optimization suffer from high computational cost.
Jiang Zheng +3 more
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Energies, 2014 Control of corner separation has attracted much interest due to its improvement of performance and energy utilization in turbomachinery. Numerical studies have been performed under both design and off-design flow conditions to investigate the effects of ...
Yangwei Liu, Jinjing Sun, Lipeng Lu
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Advanced Engineering Materials, EarlyView.We develop a data‐driven method to derive the mathematical expressions of the Flory–Huggins interaction parameter χ for the swelling behavior of temperature–responsive hydrogels. Starting from initial assumptions of χ, our workflow combines Bayesian optimization, Flory–Rehner theory, and symbolic regression to generate candidate χ expressions.
Yawen Wang +2 more
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Microstructure Evolution of a VMnFeCoNi High‐Entropy Alloy After Synthesis, Swaging, and Annealing
Advanced Engineering Materials, EarlyView.The synthesis and processing (rotary swaging and annealing) of the novel VMnFeCoNi alloy is investigated, alongside the estimation of the grain size effect on hardness. Analysis of a wide grain size range of recrystallized microstructures (12–210 µm) reveals a low annealing twin density.
Aditya Srinivasan Tirunilai +6 more
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发电技术, 2019 A combined numerical simulation is conducted to couple fluid flow between exhaust hood and last-stage blades of a 600 MW steam turbine using the computational fluid dynamics software CFX.
Lihua CAO, Kai ZHOU, Heyong SI
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Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying
Advanced Engineering Materials, EarlyView.An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara +8 more
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SECONDARY FLOW LOSS REDUCTION IN AXIAL TURBINE BLADES BY ENDWALL FENCE APPLICATION
Havacılık ve Uzay Teknolojileri Dergisi, 2017 In this study, it is investigated the effects of secondary flows and corresponding aerodynamic loss in axial turbine rotor numerically. To this sense, it is overviewed available literature and presented secondary flow models given by different authors ...
Emre Yıldırım +1 more
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