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Thermohaline convection in MHD Casson fluid over an exponentially stretching sheet

Y. Vinod

Y. Vinod

Department of Mathematics, Davangere UniversityDavangere, India
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Vinod, Y.
, 
K.R. Raghunatha

K.R. Raghunatha

Department of Mathematics, Davangere UniversityDavangere, India
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Raghunatha, K.R.
, 
Sangamesh,

Sangamesh,

Department of Mathematics, Davangere UniversityDavangere, India
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Sangamesh,
 und 
Suma Nagendrappa Nagappanavar

Suma Nagendrappa Nagappanavar

Department of Mathematics, Davangere UniversityDavangere, India
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Nagappanavar, Suma Nagendrappa
  
18. Sept. 2024
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Artikel-Kategorie: Original Study
Online veröffentlicht: 18. Sept. 2024
Seitenbereich: 201 - 222
Eingereicht: 24. Jan. 2024
Akzeptiert: 06. Apr. 2024
DOI: https://doi.org/10.2478/ijmce-2025-0016
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© 2025 Y. Vinod et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Physical configuration.
Physical configuration.

Fig. 2

Influence of β on f′(η).
Influence of β on f′(η).

Fig. 3

Influence of S on f′(η).
Influence of S on f′(η).

Fig. 4

Influence of β on f(η).
Influence of β on f(η).

Fig. 5

Influence of M on f(η).
Influence of M on f(η).

Fig. 6

Influence of M on f′(η).
Influence of M on f′(η).

Fig. 7

Influence of β on θ(η).
Influence of β on θ(η).

Fig. 8

Influence of S on θ(η).
Influence of S on θ(η).

Fig. 9

Influence of Hs on θ(η).
Influence of Hs on θ(η).

Fig. 10

Influence of M on θ(η).
Influence of M on θ(η).

Fig. 11

Influence of R on θ(η).
Influence of R on θ(η).

Fig. 12

Influence of Pr on θ(η).
Influence of Pr on θ(η).

Fig. 13

Influence of Sc on φ(η).
Influence of Sc on φ(η).

Fig. 14

Influence of γ on φ(η).
Influence of γ on φ(η).

Fig. 15

Influence of β on φ(η).
Influence of β on φ(η).

Fig. 16

Influence of M on φ(η).
Influence of M on φ(η).

Comparison of our results with Pramanik [55]_

Pr Bidin and Nazar [56] HWM with S=M=Hs=Sc=γ=0 Pramanik [55] Ishak [57]
1 0.9547 0.9547 0.9547 0.9548
2 1.4714 1.4714 1.4714 1.4715
3 1.8691 1.8691 1.8691 1.8691
5 - 2.5001 2.5001 2.5001
10 - 3.6603 3.6603 3.6604

Nomenclature_

Symbol Meanings
Cp Specific heat at constant pressure(J/kg°C)
B Magnetic field (Tesla)
C Concentration of the fluid (mol/m3)
Cw Concentration of the wall of the surface (mol/m3)
C∞ Free stream concentration
f Dimensionless stream function
Hs Heat source/sink parameter
κT Coefficient of thermal diffusivity (m2/s)
κC Coefficient of solute diffusivity
M MHD parameter
Pr Prandtl number
Q* Coefficient of heat source (W/m3)
R Radiation parameter
S Suction/blowing parameter
Sc Schmidt number
T Temperature of the fluid (K)
Tw Temperature of the wall of the surface (K)
T∞ Free stream temperature (K)
u0 Reference velocity (m/s)
u, v Velocities in x and y directions (m/s)
x, y Cartesian coordinates (m)
Greek Symbols
β Casson fluid parameter
η Similarity variable
γ Chemical reaction parameter
ρ Density of the fluid (kg/m3)
ν Kinematic viscosity (m2/s)
θ Non dimensional temperature
φ Non dimensional concentration
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Englisch
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