Abstract
The purpose of the present enquiry is to analyse the mechanics of an incompressible fluid, with water as base fluid, through a radially symmetric plumb duct with permeable walls in the presence of magnetic field. The study is an extension of peristaltic stream which has wide industrial applications. Exact solutions have been acquired for the foremost fluid problem. Results are demonstrated graphically and debated concisely.
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Abbreviations
- a :
-
Radius of the tube
- c :
-
Propagation velocity
- λ:
-
Wavelength
- \(\bar{R},\bar{Z}\) :
-
Cylindrical coordinates in the moving frame
- \(\bar{W},\bar{U}\) :
-
Velocity components in the moving frame
- \(\rho_{nf}\) :
-
Effective density
- \(\mu_{nf}\) :
-
Effective dynamic viscosity
- \(\alpha_{nf}\) :
-
Effective thermal diffusivity
- \(\bar{P}\) :
-
Pressure in the moving frame
- F :
-
Flow rate in moving frame
- \(D_{a}\) :
-
Darcy number
- M :
-
Hartman number
- b :
-
Wave amplitude
- \(\bar{h}\) :
-
Height of tube
- \(\bar{t}\) :
-
Time
- \(\bar{r},\bar{z}\) :
-
Cylindrical coordinates in the fixed frame
- \(\bar{w},\bar{u}\) :
-
Velocity components in the fixed frame
- \(k_{nf}\) :
-
Effective thermal conductivity of the nanofluid
- \((\rho c_{p} )_{nf}\) :
-
Heat capacitance
- ΔP :
-
Pressure rise
- \(\bar{p}\) :
-
Pressure in the fixed frame
- Q :
-
Flow rate in the fixed frame
- \(\theta\) :
-
Temperature
- G r :
-
Grashof number
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Akbar, N.S., Butt, A.W. Ferromagnetic nano model study for the peristaltic flow in a plumb duct with permeable walls. Microsyst Technol 25, 1227–1234 (2019). https://doi.org/10.1007/s00542-018-4045-5
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DOI: https://doi.org/10.1007/s00542-018-4045-5