Schematic of the flow profile and boundary layer within the microtube.
Comparison of the exact and approximate velocity profiles within 0.1% of the tube diameter covering the entire range of the parameter variation (a) n= 2.5 and (b) n = 0.5.
Phase space of the velocity direction in case of opposing electro-osmotic effect or vice-versa.
Enhancement of Sherwood number with scaled Debye length for different operating conditions and flow directions corresponding to (a) n = 2.5 and (b) G = 1.
Variation of the average wall surface concentration for different flow configuration (a) pressure gradient and electric field assisting, (b) pressure gradient and electric field in opposing effect.
Variation of permeation and permeate concentration for different operating conditions: (a) and (b) – Rr = 0.9; d = 10 ; n = 1.5; Re Sc d/L = 102; ; (c) and (d) – Rr = 0.9; d = 10 ; ; Re Sc d/L = 102; ; (e) and (f) – Rr = 0.9; d = 10 ; ; n = 1.5; ; (g) and (h) – d = 10 ; ; Re Sc d/L = 102; n = 1.5; ; (i) and (j) – Rr = 0.9; d = 10 ; ; n = 1.5; Re Sc d/L = 102;
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