Irreversibility analysis for axisymmetric nanomaterial flow towards a stretched surface

Song, Ying-Qing; Shah, Faqir; Khan, Sohail A.; Khan, M. Ijaz; Malik, M.Y.; Sun, Tao

doi:10.1016/j.chaos.2021.111145

Cited by 7 publications

(2 citation statements)

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“…Saleem et al 24 described peristaltic flow of hybrid nanoliquid in a curved channel. Some recent articles on flows of nanofluids are mentioned in refs 25–33 …”

Section: Introductionmentioning

confidence: 99%

“…Some recent articles on flows of nanofluids are mentioned in refs. [25][26][27][28][29][30][31][32][33] There are numerous models of non-Newtonian fluids are in the literature, but among these, couple stress fluid is extremely important to recognize few physical issues. Therefore, Stokes 34 anticipated the couple stress fluid model in 1966 in which he determines its microrotation aspects.…”

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confidence: 99%

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Mathematical modeling for peristalsis of couple stress nanofluid

Nisar

Hayat

Alsaedi

et al. 2022

Math Methods in App Sciences

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The current article investigates the magnetohydrodynamic (MHD) radiative peristaltic flow of a couple stress nanoliquid in a symmetric channel. Thermally convective and zero mass flux conditions are imposed on flexible channel walls. Impacts of Joule heating and viscous dissipation are considered. Nanofluid model consists of important features Brownian motion and thermophoresis. First-order chemical reaction is present in mass transportation. The resulting system of differential equations is numerically tackled after adopting large wavelength and low Reynolds number assumptions. Influences of pertinent variables of interest on concentration, temperature, coefficient of heat transfer, streamlines, skin friction coefficient, and Nusselt and Sherwood numbers are examined graphically. The findings of this study reveal that temperature enhances against Brownian motion and thermophoresis parameters, whereas it decays for radiation variable. Concentration of the fluid declines for a couple stress fluid variable. Further, the heat transfer coefficient shows increasing behavior for Eckert number. K E Y W O R D S chemical reaction, convective and zero mass flux conditions, couple stress fluid model, nanoparticles, peristalsis, thermal radiation | INTRODUCTIONThe word "peristalsis" usually occurs in waves and spreads across channel walls, refers to symmetrical relaxation and contraction. This mechanism appears in digestive tract food transport, chime movement in gastrointestinal tract, transport of urine from kidney to bladder and locomotion of some warms, etc. Peristaltic phenomena are also used for designing some biomedical instruments including roller and finger pump and heart lung machine. Industrial applications of peristaltic pumps are in dispense spray coatings, fuels and lubricants, and sterilized media. Peristaltic motion for viscous fluid was firstly invented by Latham. 1 Later, the idea of peristaltic flow has been examined by Shapiro et al. 2 A detailed analysis of peristaltic flow with power-law fluid in an asymmetric channel was elaborated by Reddy et al. 3 Ali et al 4 investigated the peristaltic movement of viscous liquid. Impacts of mass and heat transfer on magnetohydrodynamic (MHD) peristaltic transport with velocity slip are addressed by Sinha et al. 5 Ellahi et al 6 reported threedimensional peristaltic transport of Carreau fluid with magnetic field. Vaidya et al 7 scrutinized the peristaltic transport of Jeffrey liquid in a compliant channel. Mehmood et al 8 investigated the peristaltic motion with Cattaneo-Christov heat flux of second grade fluid. Peristaltic movement of Eyring-Powell nanoliquid by considering the activation energy was studied by Nisar et al. 9 Abbas et al 10 studied the peristaltic transport of viscous fluid considering entropy analysis.

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“…Saleem et al 24 described peristaltic flow of hybrid nanoliquid in a curved channel. Some recent articles on flows of nanofluids are mentioned in refs 25–33 …”

Section: Introductionmentioning

confidence: 99%