Critical Behavior of the Ultrasonic Attenuation for the Binary Mixture of Water – Phenol
| dc.contributor.author | Reehan, Maryam | |
| dc.date.accessioned | 2018-01-24T07:50:53Z | |
| dc.date.available | 2018-01-24T07:50:53Z | |
| dc.date.issued | 2015-04-21 | |
| dc.description.abstract | The dynamic shear viscosity of the binary liquid mixture water – phenol was measured for different temperatures and concentrations using the glass capillary and digital viscometers. Dynamic shear viscosity anomaly was detected near the critical temperatureTc = 67 °C and the critical concentration xc= 33.9% by weight of phenol. The specific heat at constant pressure was calculated using the two scale factor universality and found to be 241.9 J kg K . The critical and the background isobaric thermal expansion coefficients were determined and found to be 2.729 x10-3 °Cˉ¹ and 22.59 x10-3 °Cˉ¹ respectively. Ultrasonic attenuation data at 9, 15, 30 and 35 MHz were analyzed using the dynamic scaling theory of Ferrell and Bhattacharjee. The values of αc f2 versus fˉ¹˙⁰⁶ yield a straight line as predicted by the theory. The experimental values of α(xc,T) αc(xc,Tc) for water – phenol were compared to the scaling function F(ω*') and showed good agreement with the theory. | en_US |
| dc.identifier.uri | https://hdl.handle.net/20.500.11888/12981 | |
| dc.language.iso | en | en_US |
| dc.title | Critical Behavior of the Ultrasonic Attenuation for the Binary Mixture of Water – Phenol | en_US |
| dc.type | Article | en_US |
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