Mathematics, Statistics & Physics: Recent submissions
Now showing items 101-120 of 814
-
Chemically reactive species in the flow of a Maxwell fluid
( Elsevier , 2017 , Article)This article presents a research for boundary layer flow and heat transfer of a Maxwell fluid over an exponential stretching surface with thermal stratifications. The effect of homogeneous and heterogeneous reaction are ... -
Noether symmetries and conservation laws of wave equation on static spherically symmetric spacetimes with higher symmetries
( Elsevier , 2014 , Article)In Bokhari et al. (2011), the Noether symmetries of the wave equation on a general spherically symmetric spacetime metric were provided in terms of five functions of the variables t and r subject to certain differential ... -
An alternative proof of Lie’s linearization theorem using a new λ-symmetry criterion
( Elsevier , 2015 , Article)An alternative proof of Lie’s approach for the linearization of scalar second-order ordinary differential equations is derived by using the relationship between λ-symmetries and first integrals. This relation further leads ... -
A method for generating approximate similarity solutions of nonlinear partial differential equations
( Hindawi Publishing Corporation , 2014 , Article)Standard application of similarity method to find solutions of PDEs mostly results in reduction to ODEs which are not easily integrable in terms of elementary or tabulated functions. Such situations usually demand solving ... -
Ferromagnetic effects for nanofluid venture through composite permeable stenosed arteries with different nanosize particles
( American Institute of Physics , 2015 , Article)In the present article ferromagnetic field effects for copper nanoparticles for blood flow through composite permeable stenosed arteries is discussed. The copper nanoparticles for the blood flow with water as base fluid ... -
Symmetry analysis of the Klein-Gordon equation in Bianchi i spacetimes
( World Scientific , 2015 , Article)In this work we perform the symmetry classification of the Klein-Gordon equation in Bianchi I spacetime. We apply a geometric method which relates the Lie symmetries of the Klein-Gordon equation with the conformal algebra ... -
OpenFOAM for computational combustion dynamics
( Springer Nature , 2022 , Article)In computational fluid dynamics (CFD), the mathematical description of a physical phenomenon that involves fluid flow, combustion, and chemical reaction is combined with a numerical solution of the problem via the use of ... -
Effect of asymmetrical heat rise/fall on the film flow of magnetohydrodynamic hybrid ferrofluid
( Springer Nature , 2020 , Article)The movement of the ferrous nanoparticles is random in the base fluid, and it will be homogeneous under the enforced magnetic field. This phenomenon shows a significant impact on the energy transmission process. In view ... -
Nanofluid in tilted cavity with partially heated walls
( Elsevier , 2014 , Article)Lattice Boltzmann Method is applied to investigate the natural convection flow utilizing nanofluids in square enclosure with partially heated walls. The fluid in the cavity is a water-based nanofluid containing different ... -
A computational model for suspensions of motile micro-organisms in the flow of ferrofluid
( Elsevier , 2020 , Article)The performance of friction drag, heat transfer rate, and mass transfer is illustrated the in boundary layer flow region via density of motile microorganisms. Magnetic dipole in presence of Curie temperature and density ... -
Analysis of ferrite nanoparticles in the flow of ferromagnetic nanofluid
( Public Library of Science , 2018 , Article)Theoretical analysis has been carried out to establish the heat transport phenomenon of six different ferromagnetic MnZnFe2O4—C2H6O2 (manganese zinc ferrite-ethylene glycol), NiZnFe2O4—C2H6O2 (Nickel zinc ferrite-ethylene ... -
MHD effects on nanofluid with energy and hydrothermal behavior between two collateral plates application of new semi analytical technique
( Vinca Inst Nuclear Sci , 2017 , Article)In this study, heat and mass transfer characteristic of unsteady nanofluid flow between parallel plates is investigated. The important effect of Brownian motion and thermophoresis has been included in the model of nanofluid. ... -
Hydrodynamics and ferrite nanoparticles in hybrid nanofluid
( Elsevier , 2020 , Article)The solids have higher heat transfer rate comparative to fluids, thus, in the present article, two different ferrite nano-particles are suspended in two different base fluids to demonstrates its impacts on the friction ... -
Algorithms for simultaneous block triangularization and block diagonalization of sets of matrices
( AIMS Press , 2023 , Article)In a recent paper, a new method was proposed to find the common invariant subspaces of a set of matrices. This paper investigates the more general problem of putting a set of matrices into block triangular or block-diagonal ... -
A New Memristive Chaotic System with a Plane and Two Lines of Equilibria
( World Scientific , 2021 , Article)A new 4D memristive chaotic system with an infinite number of equilibria is proposed via exhaustive computer search. Interestingly, such a new memristive system has a plane of equilibria and two other lines of equilibria. ... -
Evaluation of flow pattern recognition and void fraction measurement in two phase flow independent of oil pipeline's scale layer thickness
( Elsevier , 2021 , Article)The main objective of the present research is to combine the effect of scale thickness on the flow pattern and characteristics of two-phase flow that is used in oil industry. In this regard, an intelligent nondestructive ... -
Synthetic efforts and applications of metal selenide nanotubes
( Elsevier , 2021 , Article)Properties of metal selenides are dependent on their band gaps which can be tuned with size and morphology. Nanotubes particularly are important for their enhanced surface area and reaction sites. Extensive experimental ... -
Factors impacting science and mathematics teachers’ competencies and self-efficacy in TPACK for PBL and STEM
( Modestum LTD , 2024 , Article)Science and mathematics teachers face the dual challenge of mastering subject-specific expertise and developing the pedagogical skills necessary for implementing integrated science, technology, engineering, and mathematics ... -
Exploring EMI in STEM disciplines: a case study of KAIST
( Taylor and Francis Ltd. , 2024 , Article)This research aims to overview the English-medium instruction (EMI) situation in Korean Higher education (HE), briefly describing and studying HE policies and examining their impact on Korean teachers and students. The ... -
Investigating the individual interests of undergraduate students in STEM disciplines
( Frontiers Media SA , 2024 , Article)Despite massive investments in the education sector to empower youth in Qatar, a vital concern remains to retain students in science, technology, engineering, and mathematics (STEM) disciplines at the undergraduate level. ...
