Dissipative flow features of Carreau nanofluid with thermal radiation inside plane wall channel: Jeffery-Hamel analysis
Available online 27 April 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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Regression analysis and features of negative activation energy for MHD nanofluid flow model: A comparative study
Available online 10 April 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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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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Static aeroelasticity of the propulsion system of ion propulsion unmanned aerial vehicles
Available online 21 March 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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Effect of windage heating on a micro high-speed rotor-stator cavity
December 2022
The main objective of this work is to investigate the effect of windage heating on the micro high-speed rotor-stator cavity. The influences of centrifugal force and spacing on the windage heating are...
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Overspeeding characteristics of turbomachinery for gas generator cycle air turbo ramjet engine
December 2022
The main interest in the current study focuses on the possibility of overspeeding for the gas-generator cycle air turbo ramjet (GG-ATR) engine. The authors developed the air turbo ramjet engine and...
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Impact of partial slip condition on mixed convection of nanofluid within lid-driven wavy cavity and solid inner body
December 2022
In thermofluid systems, the lid-driven square chamber plays an imperative role in analyzing thermodynamics’ first and second laws in limited volume cases executed by sheer effects with a prominent role...
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A novel approach for suppressing leakage flow through turbine blade tip gaps
December 2022
Tip clearance leakage flow of the turbine bade is an important factor limiting the augment of the high pressure turbine efficiency, which should be suppressed utilizing certain methods. However, the...
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Performance, emissions and exergy analyses of adding CNTs to various biodiesel feedstocks
December 2022
Extraction of biodiesel from waste cooking oil, jatropha, and corn oils is done by transesterification. Diesel and biodiesel were blended at 20% volume ratio to make methyl ester. At doses of 25, 50,...
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Significance of thermal stress in a convective-radiative annular fin with magnetic field and heat generation: application of DTM and MRPSM
December 2022
The present paper explains the temperature attribute of a convective-radiative rectangular profiled annular fin with the impact of magnetic field. The effect of thermal radiation, convection, and magnetic...
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Inclined magnetic field and variable viscosity effects on bioconvection of Casson nanofluid slip flow over non linearly stretching sheet
December 2022
In pursuit of improved thermal transportation, the slip flow of Casson nanofluid is considered in the existence of an inclined magnetic field and radiative heat flux flow over a non-linear stretching...
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The azimuthal currents in the ion-driven magnetic nozzle
December 2022
Ion-driven magnetic nozzles (Ti > Te) are designed as intrinsic parts of cutting-edge propulsive technologies such as variable specific impulse magnetoplasma rockets (VASIMRs) and applied-field magnetoplasmadynamic...
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Numerical investigation to evaluate the effects of gravity and pressure on flame structure and soot formation of turbulent non-premixed methane-air flame
December 2022
In this study, a turbulent non-premixed (diffusion) methane-air flame has been investigated computationally to analyze the influences of pressure and gravity on flame structure and sooting characteristics...
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Combustion performance of hybrid rocket fuels loaded with MgB2 and carbon black additives
Available online 20 December 2022
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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A comprehensive study on the heat transfer characteristics of windward bend lattice frame structure
September 2022
The windward bend lattice frame structure (WB structure) is characterized by a high heat transfer coefficient and low friction factor. The WB structure can be applied for thermal protection system,...
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A review of cooling technologies for high temperature rotating components in gas turbine
September 2022
Modern gas turbines work under demanding high temperatures, high pressures, and high rotational speeds. In order to ensure durable and reliable operation, effective cooling measures must be applied...
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Advanced exergy analysis of the turbojet engine main components considering mexogenous, endogenous, exegenous, avoidable and unavoidable exergy destructions
September 2022
In this study, exergy dynamic and advanced exergy analyses are applied to the turbojet engine to assess its mexogenous, endogenous, exogenous, avoidable and unavoidable exergies under the environment...
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