Numerical study of vortex breaker optimization in a first stage oxygen tank
September 2023
One of the crucial factors affecting the carrying capacity of the cryogenic liquid launch vehicle is the effective volume of the tank. Theoretical and experimental investigations on vortex breaker mechanisms...
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Falkner-Skan aspects of a radiating (50% ethylene glycol + 50% water)-based hybrid nanofluid when Joule heating as well as Darcy-Forchheimer and Lorentz forces affect significantly
September 2023
Falkner-Skan aspects are revealed numerically for a non-homogeneous hybrid mixture of 50% ethylene glycol-50% water, silver nanomaterials Ag, and molybdenum disulfide nanoparticles MoS2 during its motion...
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Artificial neural network model of non-Darcy MHD Sutterby hybrid nanofluid flow over a curved permeable surface: Solar energy applications
September 2023
The conversion of solar radiation to thermal energy has recently much interest as the requirement for renewable heat and power grows. Due to their enhanced ability to promote heat transmission, nanofluids...
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Darcy-Forchheimer mangetized flow based on differential type nanoliquid capturing Ohmic dissipation effects
September 2023
Hydromagnetic nanoliquid establish an extraordinary category of nanoliquids that unveil both liquid and magnetic attributes. The interest in the utilization of hydromagnetic nanoliquids as a heat transporting...
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Understanding of tip clearance flow structure in high speed mixed flow compressor
September 2023
This paper addresses the necessity to make a physical interpretation of a highly complex three-dimensional tip clearance flow field study for high-speed mixed-flow compressor having stage exit static...
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First and second laws analysis of viscoelastic fluid with temperature dependent properties for Couette-Poiseuille flow
September 2023
The entropy analysis of viscoelastic fluid obeying the simplified Phan-Thien-Tanner (SPTT) model with variable thermophysical properties are obtained for laminar, steady state and fully developed Couette-Poiseuille...
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Thermodynamic performance modeling, optimization and numerical simulation of RBCC ejector mode
Available online 22 September 2023
Ejector mode is a unique and critical phase of wide-range rocket-based combined cycle (RBCC) engine. In this paper, a quasi-one-dimensional thermodynamic performance modeling method, with more detailed...
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Effects of plasma actuation and hole configuration on film cooling performance
June 2023
In this paper, plasma actuators are arranged asymmetrically downstream the wall to improve film cooling performance. Effects of blowing ratio, hole configuration and applied voltage on flow characteristics...
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Combustion performance of hybrid rocket fuels loaded with MgB2 and carbon black additives
June 2023
Paraffin-based fuel has a great potential for several innovative missions, including space tourism, due to its safety, low environmental impact, high performance and low cost. Despite the fact that...
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Regression analysis and features of negative activation energy for MHD nanofluid flow model: A comparative study
June 2023
This article elucidates the impact of activation energy on magnetohydrodynamic (MHD) stagnation point nanofluid flow over a slippery surface in a porous regime with thermophoretic and Brownian diffusions....
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Dissipative flow features of Carreau nanofluid with thermal radiation inside plane wall channel: Jeffery-Hamel analysis
June 2023
The current article communicates a numerical investigation on laminar flow of dissipative generalized Newtonian Carreau nanofluid flowing through vertical conduit with converging and diverging plane...
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Design of hypersonic wavecatcher intake at Mach 12 with rectangular-to-elliptical shape transition
June 2023
Wavecatcher (inward-turning) intake flows, at design Mach 12, are investigated numerically, to display the effect of wall temperature on flow structures and intake performance. Hypersonic experiments...
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Numerical analysis of a double interlocking padded finger seal performance based on thermo-fluid-structure coupling method
June 2023
Non-contacting finger seals represent an advanced non-contacting and compliant seal in gas turbine sealing technology. This paper proposes a new structure of non-contacting finger seals with double...
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Working state map of hydrocarbon fuels for regenerative cooling
June 2023
Regenerative cooling by endothermic hydrocarbon fuel (EHF) is one of the most promising techniques for thermal management of supersonic or hypersonic aircraft. How to maintain the fuel working in proper...
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Explanation of the mechanisms of unsteady gas flow through the turbocharger seal system, including thermal and structural interactions
June 2023
Gas flow in the seal system can be expected during the operation of a turbocharger and is associated with negative effects on the quality of the lubricant or turbocharger efficiency. Gas flow also affects...
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Bioconvective nanofluid flow over an exponential stretched sheet with thermophoretic particle deposition
June 2023
The current work is being done to investigate the flow of nanofluids across a porous exponential stretching surface in the presence of a heat source/sink, thermophoretic particle deposition, and bioconvection....
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Aerodynamic system instability identification with sample entropy algorithm based on feature extraction
March 2023
Based on the sample entropy algorithm in nonlinear dynamics, an improved sample entropy method is proposed in the aerodynamic system instability identification for the stall precursor detection based...
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Insight into the relationship between non-linear mixed convection and thermal radiation: The case of Newtonian fluid flow due to non-linear stretching
March 2023
The current research focuses the light on the characterization of buoyancy-driven non-linear mixed convection and non-linear radiation in a Newtonian flow over a non-linearly stretching vertical sheet,...
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Micro gas turbine: Developments, applications, and key technologies on components
March 2023
Owing to their precedent characteristics, micro gas turbines (MGTs) have been favored as popular power machinery in plenty of energy systems such as distributed energy systems, range extenders, solar...
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Oxidation of norbornadiene: Theoretical investigation on H-atom abstraction and related radical decomposition reactions
March 2023
The chemical kinetics of hydrogen atom (H-atom) abstraction reactions from norbornadiene (NBD) by five radicals (H, O(3P), OH, CH3, and HO2), and the unimolecular reactions of three NBD derived radicals,...
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First thrust measurements in ionic multi-propeller rotational engines
March 2023
Rotary ionic engines (RIEs) with multi-coaxial contra-rotating propellers (12.6 cm diameter) and their axial thrust are investigated in laboratory conditions, in air at atmospheric pressure, for the...
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Effects of multiple subcavities with floor subcavity in supersonic cavity flow
March 2023
Experimental and computational analysis has been carried out by many researchers on supersonic cavity flow, but detailed analysis based on Rossiter's model still requires some insight. In the current...
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Numerical and experimental investigation to design a novel morphing airfoil for performance optimization
March 2023
Optimizing flying objects' wing performance has attracted a significant attention in the last few decades. In this article, some of the main mechanisms for changing the geometry of the wing were investigated...
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Research on combustion characteristics of scramjet combustor with different flight dynamic pressure conditions
March 2023
Combustion characteristics in a scramjet combustor equipped with a thin strut were observed and discussed in this paper. A series of numerical simulations were carried out under different flight dynamic...
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Novel concept of tailorable magnetic field and electron pressure distribution in a magnetic nozzle for effective space propulsion
March 2023
Magnetic nozzle appears to be a practical solution for prolonged space missions. For efficient handling of the spaceship, an in-flight solution to customize the thrust from the magnetic nozzle is essential....
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