445 hasil
Menampilkan 1–20 · 0,31 detik · RSS
Propulsion and Power Research
Scopus
ISSN 2212-540X · KeAi Communications Co., Ltd. · 445 artikel di indeks
-
Artikel Jurnal
Nonlinear dynamics of a fractional-order neuron model for nerve impulse propagation in cell membranes: Chaos, multistability, control, and soliton phenomena
This study explores the nonlinear dynamics of a nerve impulse neuron model governed by a partial differential equation (PDE) with beta-fractional derivatives, allowing the inclusion of nonlocal temporal dependence in the model formulation. The model exhibits rich dynamical behavior, including…
-
Artikel Jurnal
Thermodiffusion of a magnetized rotating microelongated thermoelastic layer due to initial stress and the Moore-Gibson-Thompson model
This study presents an analytical investigation of wave propagation in a magnetized, rotating, initially stressed microelongated thermoelastic layer within the framework of the Moore-Gibson-Thompson (MGT) heat conduction model, incorporating thermodiffusion and microstructural effects. The proposed…
-
Artikel Jurnal
Correlation-length effects in a rotating semiconductor photo-thermoelastic sphere via the nonlocal modified GN-III model
This study presents a novel nonlocal photo-thermoelastic framework that combines the Moore-Gibson-Thompson (MGT) heat conduction equation with an enhanced Green-Naghdi Type III (GN-III) model and the Guyer-Krumhansl (GK) nonlocal formulation. By integrating thermal relaxation, rate-dependent…
-
Artikel Jurnal
Design optimisation factors for axial turbine stators in small-scale geo-solar powered Brayton applications
Small axial turbines for geo-solar Brayton cycles require stator designs that are efficient and robust, yet systematic guidance on how detailed stator airfoil geometry influences performance in this power range remains limited. This study quantifies the sensitivity of stator and stage performance…
-
Artikel Jurnal
Ignition characteristics of a high-energy jet plasma igniter in an aeroengine afterburner
With the increasing thrust-to-weight ratio demands of modern aeroengines, afterburner ignition performance requirements have become more stringent. To broaden the ignition boundary and enhance ignition capability under extreme conditions, a high-energy jet plasma igniter was developed and its…
-
Artikel Jurnal
Non-Fourier heat and mass transfer analysis of MHD Oldroyd-B hybrid nanofluid: An artificial intelligence assisted overlapping spectral quasi-linearization approach
The present study develops a high-fidelity numerical analysis of magnetohydrodynamic (MHD) transport phenomena in an Oldroyd-B hybrid nanofluid composed of blood as the base fluid with copper (Cu) and aluminum oxide (Al2O3) nanoparticles. The flow is induced by a nonlinear stretching surface…
-
Artikel Jurnal
Computational analysis of MHD hybrid nanofluid flow between concentric cylinders in an annular region
This study investigates the magnetohydrodynamic (MHD) characteristics of hybrid nanofluid flow confined between concentric cylindrical surfaces. The governing momentum and energy equations are formulated and solved subject to appropriate boundary conditions to analyze fluid motion and heat…
-
Artikel Jurnal
Effect of activation energy on mass transfer features of Powell-Eyring nanofluid via shrinking disk: Dual solutions and stability analysis
This study's main goal is to investigate the Darcy-Forchheimer model of Eyring-Powell nanofluid's mass and thermal transport mechanisms across a shrinking disk. Joule heating, magnetic field, thermophoresis, viscous dissipation, non-uniform energy sink/source, activation energy, and Brownian motion…
-
Artikel Jurnal
Fuzzy uncertainty modelling of micropolar nanofluid flow in a vertically rotating porous channel under magneto-thermal-electrical effects using a two-parameter HAM approach
This study presents a comprehensive investigation of micropolar nanofluid flow through a vertically rotating channel embedded in a resistive porous medium under the combined influence of magnetic, thermal, and electrical effects. The analysis also includes the use of fuzzy uncertainty modelling…
-
Artikel Jurnal
Machine learning based modeling of triple-diffusive MHD hyperbolic nanofluid flow with heat transfer optimization in Darcy-Forchheimer porous medium
This study investigates magnetohydrodynamic (MHD) flow of a tangent hyperbolic nanofluid (HNF) over a stretching surface, incorporating thermal radiation, chemical reactions, and Soret-Dufour effects within a Darcy-Forchheimer porous medium. The governing partial differential equations (PDEs) are…
-
Artikel Jurnal
Fractional-order Hall-current magneto-photothermal waves in microtemperature hydro-poroelastic semiconductor media subjected to ramp-type heating and variable thermal conductivity
This work presents an advanced theoretical model for magneto-photothermal wave propagation in microtemperature hydro-poroelastic semiconductor media subjected to ramp-type thermal heating, explicitly accounting for fractional-order non-Fourier heat conduction, Hall current effects, and variable…
-
Artikel Jurnal
Fractal geometry-based Klein-Gordon model for heat and mass transfer in a cylindrical cavity with variable thermal conductivity
This study presents a generalized framework of vector calculus for non-integer dimensional spaces, motivated by the prevalence of fractals in nature. The work formulates first- and second-order differential operators, including gradient, divergence, and scalar and vector Laplacian, for scalar and…
-
Artikel Jurnal
Advancing spectral collocation methods for MHD flow of hybrid nanofluids in porous channels: A Jeffery-Hamel case study
An advanced spectral numerical framework is developed to investigate the magnetohydrodynamic (MHD) flow of a hybrid nanofluid in a porous Jeffery-Hamel channel. The governing nonlinear differential equations are solved using the Chebyshev spectral collocation method, ensuring high accuracy and…
-
Artikel Jurnal
Sensitivity analysis of the wire-coting process using a generalized Newtonian nanofluid with temperature-dependent properties
In this work the Carreau-Yasuda nanofluid is used to coat the wire in pressure type die. The properties of the liquid are considered temperature dependent in this study. This study involves theoretical results and data is collected with suitable numerical scheme Runge-Kutta-Fehlberg method. This…
-
Artikel Jurnal
Graph convolutional networks modeling for aerodynamic system stability with spatiotemporal topology fusion based on digital twin
Digital twin, as a key direction in the digital transformation, is becoming an important supporting technology for intelligent operation and predictive maintenance of aeroengines. In response to the stability identification of the aerodynamic system, this study proposes a digital twin model based…
-
Artikel Jurnal
Investigating peristaltic motion of ternary nanofluids using cubic regression with couple stress and Darcy-Forchheimer influence
This study investigates the peristaltic motion of magnetohydrodynamic (MHD) couple-stress ternary nanofluids through an inclined asymmetric porous channel under the influence of Darcy-Forchheimer drag. Two blood-based ternary nanofluid formulations are considered: T1 (Ag+TiO2+Cu) and T2…
-
Artikel Jurnal
Instability of double-diffusive convection in Voigt fluid-saturated porous media under local thermal non-equilibrium
This study examines the linear instability of double-diffusive convection in a horizontal porous layer saturated with a Kelvin-Voigt viscoelastic fluid under local thermal non-equilibrium (LTNE) conditions, where the fluid and solid phases maintain distinct temperatures. Such systems are essential…
-
Artikel Jurnal
Sensitivity analysis of couple-stress nanofluids under active control, zero mass flux and slip conditions: Effects of combined fluxes
The present study investigates the flow and heat transfer behavior of couple stress nanofluids under active control zero mass flux at the boundary mechanisms and sensitivity analysis of it. It focuses on three-dimensional couple stress nanofluid flow, incorporating non-Fourier thermal along with…
-
Artikel Jurnal
Size-dependent thermoelastic diffusion in micro-scale cylinders: Influence of thermal and diffusive length scales with phase delay effects
This work presents the first comprehensive framework to simultaneously incorporate spatial nonlocality and temporal phase-lag effects for coupled heat and mass transport in a cylindrical configuration. The model introduces two distinct nonlocal length scales, for thermal conduction and mass…
-
Artikel Jurnal
Advancing green propulsion: Experimental analysis of dual-mode operation in a hydrogen peroxide monopropellant thruster
Hydrogen peroxide (HTP) is receiving renewed attention as a green monopropellant for small-satellite propulsion. This study presents the design and experimental evaluation of a hydrogen peroxide monopropellant thruster capable of operating in both steady-state and pulsed modes. A modular catalyst…