A versatile volume-based modeling technique of distributed local quadratic convergence for aeroengines
March 2024
For advanced aero-engine design and research, modeling and simulation in a digital environment is indispensable, especially for engines of complicated configurations, such as variable cycle engines...
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Deep learning-based modeling method for probabilistic LCF life prediction of turbine blisk
March 2024
Turbine blisk is one of the typical components of gas turbine engines. The fatigue life of turbine blisk directly affects the reliability and safety of both turbine blisk and aeroengine whole-body....
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New insights into component matching mechanism in the compression system of double bypass engine
March 2024
Variable cycle engine (VCE) is one of the most promising technologies for the next-generation aircraft, the matching of different components in the compression system is a key difficulty VCE faced....
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Effect of proton irradiation on the optical properties of thermal control coating based on polystyrene with silica filler
March 2024
This paper presents the results of studying the surface properties changes of a thermoregulating coating based on polystyrene and silica filler after proton irradiation with an energy of 50 keV at a...
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A multi-objective and CFD based optimization of roof-flap geometry and position for simultaneous drag and lift reduction
March 2024
As the transport sector is responsible for the consumption of a vast proportion of the oil produced, it is mandatory to research feasible solutions to tackle this issue. The application of aerodynamic...
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Effect of expansion waves on cowl shock wave and boundary layer interaction in hypersonic inlet
March 2024
The interaction of cowl shock wave and boundary layer has a crucial effect on the stability, operability and performance of hypersonic inlets. Many studies on inhibiting the separation and managing...
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An overlapping grid spectral collocation analysis on a newly developed hybrid nanofluid flow model
March 2024
The present study investigates the axisymmetric stagnation point radiative flow of a Cu-Al2O3/water hybrid nanofluid over a radially stretched/shrunk disk. In this paper, a new mathematical model has...
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Unsteady squeezing flow and heat transport of SiO2/kerosene oil nanofluid around radially stretchable parallel rotating disks with upper disk oscillating
March 2024
In this study, we have analyzed fluid mobility and thermal transport of the SiO2/kerosene nanofluid within two rotating stretchable disks. The top disk is simulated to be oscillating with a periodic...
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Thermal analysis of melting effect on Carreau fluid flow around a stretchable cylinder with quadratic radiation
March 2024
The melting phenomenon plays a critical role in optimizing the performance of power storage, electronic cooling, and semiconductor devices. The present study aims to analyze the melting effect on the...
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Anomaly distribution acquisition method for probabilistic damage tolerance assessment of hole features
Available online 20 March 2024
Anomaly distribution is an essential input for the probabilistic damage tolerance assessment, which is required by the airworthiness certification criteria Federal Aviation Regulation (FAR) 33.70. The...
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A deep learning-based approach for flow field prediction in a dual-mode combustor
Available online 5 March 2024
Accurate acquisition of the distribution of flow parameters inside the supersonic combustor is of great significance for hypersonic flight control. It is an interesting attempt to introduce a data-driven...
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Local resistance characteristics of elbows for supercritical pressure RP-3 flowing in serpentine micro-tubes
Available online 29 February 2024
Based on the demands of compact heat exchangers and micro cooling channels applied for aviation thermal protection on aero-engines, the elbow local flow resistance characteristics for supercritical...
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Power and efficiency optimizations for an open cycle two-shaft gas turbine power plant
December 2023
In finite-time thermodynamic analyses for various gas turbine cycles, there are two common models: one is closed-cycle model with thermal conductance optimization of heat exchangers, and another is...
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Static pressure redistribution mechanism of non-axisymmetric endwall based on radial equilibrium
December 2023
Non-axisymmetric endwall contouring has been proved to be an effective flow control technique in turbomachinery. Several different flow control mechanisms and qualitative design strategies have been...
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Analytical analysis of inclined three-layered composite channel with cobalt ferrite nanoparticles and Hall current in Darcy medium
December 2023
The present study explores the influence of electromagnetic effects on the flow of a nanofluid in a saturated permeable medium, confined between a clear viscous fluid in an inclined channel. The nanofluid...
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N2 and Ar dilution on the premixed biogas jet flame under external acoustic enforcement
December 2023
In this study, combustion instabilities and flue gas emission changes under different dilutions of N2 (nitrogen) and Ar (argon) of a promising biogas mixture (70% CH4 - 30% CO2) in the fight against...
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Numerical study for bio-convection effects on MHD nano-fluid flow past a porous and extending wedge
December 2023
We explored the insinuations of bio-convection and thermal radiation on nanofluid transportation across stretching permeable wedge with magnetic force. Appropriate similarity transformation variables...
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Heat transfer optimization and rheological features of Buongiorno nanofluid in a convectively heated inclined annulus with nonlinear thermal radiation
December 2023
The theoretical analysis of the mixed convective Buongiorno nanofluid flow in an inclined annular microchannel with convectively heated walls subjected to the effects of nonlinear thermal radiation,...
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Influence of temperature dependent heat source/sink on transient MHD free convective flow in an infinite rigid impermeable vertical cylinder with chemical reaction
December 2023
It is increasingly apparent that the inclusion of mass transfer aspects, together with certain thermal conditions, in the momentum and energy equations governing MHD flows leads to a numbers of real...
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Optimization of operating conditions in the steam turbine blade cascade using the black-box method
December 2023
Water droplets cause corrosion and erosion, condensation loss, and thermal efficiency reduction in low-pressure steam turbines. In this study, multi-objective optimization was carried out using the...
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Thermal optimization of MHD nanofluid over a wedge by using response surface methodology: Sensitivity analysis
December 2023
It is well documented that heat transfer is enhanced with addition of nanosized particles in fluid. But, in a mechanical system there are variety of factors influences the heat transfer. Some factors...
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Auto-updating model-based control for thrust variation mitigation and acceleration performance enhancement of gas turbine aero-engines
Available online 30 November 2023
Model-based control shows promising potential for engine performance improvement and future aero-propulsion requirements. In this paper, an auto-updating thrust variation mitigation (AuTVM) control...
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Static aeroelasticity of the propulsion system of ion propulsion unmanned aerial vehicles
September 2023
“Ionic wind” generators are used as the main propulsion system in ion propulsion unmanned aerial vehicles (UAVs). Owing to the large size and poor stiffness of the electrode array in the propulsion...
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Numerical computation of Brownian motion and thermophoresis effects on rotational micropolar nanomaterials with activation energy
September 2023
The current article investigates the numerical study of the micropolar nanofluid flow through a 3D rotating surface. This communication may manipulate for the aim such as the delivery of the drug, cooling...
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Review of the development of the probabilistic damage tolerance assessment of life-limited parts in compliance with the airworthiness regulations
September 2023
Probabilistic damage tolerance is a critical method to understand and communicate risk and safety. This paper reviews recent research on the probabilistic damage tolerance design for life-limited parts....
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