The results of studies of the cooling ability, rheological and surface-active properties of aqueous solutions of polyalkyleneglycol, sodium salt of carboxymethyl cellulose and polyacrylamide are presented. The choice of polymers is due to the problem of studying the mechanism of the cooling process in aqueous solutions of polymers. Comparison of the results of complex studies and video surveillance made it possible to propose a substantiated version of the mechanism of heat transfer during cooling of a metal sample in aqueous solutions of polymers. At the moment of shock boiling, a substance is formed in the wall layer, which is a nanosol (for PAG solutions) or a nanogassuspension (for Na-CMC and PAA). Under the action of a shock wave, it is directed from the heated metal surface to the interface between the polymer solution-vapor film, forming an interfacial polymer shock film. One of the stages of the shock mechanism of the formation of a polymer film is the adsorption increase in the polymer concentration on the surface of the bubbles formed during shock boiling; the next stage, the polymer shell of the bubbles, is spent on the formation of an interfacial polymer film. Heat fluxes and heat transfer coefficients are presented as a function of polymer concentration and surface temperature. The research results can be useful for assessing the effect of an interfacial polymer film on the ratio of the initial, first qcr1 and second qcr2 critical heat fluxes density, which determines the passage of heat transfer stages in water-polymer quenching media (WPQM).
| Published in | International Journal of Fluid Mechanics & Thermal Sciences (Volume 6, Issue 4) |
| DOI | 10.11648/j.ijfmts.20200604.12 |
| Page(s) | 108-123 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2024. Published by Science Publishing Group |
Aqueous Quenchants, Impact Mechanism, Interfacial Polymer Film, Chock Film Boiling
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APA Style
Logvynenko Peter, Moskalenko Anatoly. (2020). Impact Mechanism of Interfacial Polymer Film Formation in Aqueous Quenchants. International Journal of Fluid Mechanics & Thermal Sciences, 6(4), 108-123. https://doi.org/10.11648/j.ijfmts.20200604.12
ACS Style
Logvynenko Peter; Moskalenko Anatoly. Impact Mechanism of Interfacial Polymer Film Formation in Aqueous Quenchants. Int. J. Fluid Mech. Therm. Sci. 2020, 6(4), 108-123. doi: 10.11648/j.ijfmts.20200604.12
AMA Style
Logvynenko Peter, Moskalenko Anatoly. Impact Mechanism of Interfacial Polymer Film Formation in Aqueous Quenchants. Int J Fluid Mech Therm Sci. 2020;6(4):108-123. doi: 10.11648/j.ijfmts.20200604.12
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Download@article{10.11648/j.ijfmts.20200604.12,
author = {Logvynenko Peter and Moskalenko Anatoly},
title = {Impact Mechanism of Interfacial Polymer Film Formation in Aqueous Quenchants},
journal = {International Journal of Fluid Mechanics & Thermal Sciences},
volume = {6},
number = {4},
pages = {108-123},
doi = {10.11648/j.ijfmts.20200604.12},
url = {https://doi.org/10.11648/j.ijfmts.20200604.12},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijfmts.20200604.12},
abstract = {The results of studies of the cooling ability, rheological and surface-active properties of aqueous solutions of polyalkyleneglycol, sodium salt of carboxymethyl cellulose and polyacrylamide are presented. The choice of polymers is due to the problem of studying the mechanism of the cooling process in aqueous solutions of polymers. Comparison of the results of complex studies and video surveillance made it possible to propose a substantiated version of the mechanism of heat transfer during cooling of a metal sample in aqueous solutions of polymers. At the moment of shock boiling, a substance is formed in the wall layer, which is a nanosol (for PAG solutions) or a nanogassuspension (for Na-CMC and PAA). Under the action of a shock wave, it is directed from the heated metal surface to the interface between the polymer solution-vapor film, forming an interfacial polymer shock film. One of the stages of the shock mechanism of the formation of a polymer film is the adsorption increase in the polymer concentration on the surface of the bubbles formed during shock boiling; the next stage, the polymer shell of the bubbles, is spent on the formation of an interfacial polymer film. Heat fluxes and heat transfer coefficients are presented as a function of polymer concentration and surface temperature. The research results can be useful for assessing the effect of an interfacial polymer film on the ratio of the initial, first qcr1 and second qcr2 critical heat fluxes density, which determines the passage of heat transfer stages in water-polymer quenching media (WPQM).},
year = {2020}
}
TY - JOUR T1 - Impact Mechanism of Interfacial Polymer Film Formation in Aqueous Quenchants AU - Logvynenko Peter AU - Moskalenko Anatoly Y1 - 2020/11/23 PY - 2020 N1 - https://doi.org/10.11648/j.ijfmts.20200604.12 DO - 10.11648/j.ijfmts.20200604.12 T2 - International Journal of Fluid Mechanics & Thermal Sciences JF - International Journal of Fluid Mechanics & Thermal Sciences JO - International Journal of Fluid Mechanics & Thermal Sciences SP - 108 EP - 123 PB - Science Publishing Group SN - 2469-8113 UR - https://doi.org/10.11648/j.ijfmts.20200604.12 AB - The results of studies of the cooling ability, rheological and surface-active properties of aqueous solutions of polyalkyleneglycol, sodium salt of carboxymethyl cellulose and polyacrylamide are presented. The choice of polymers is due to the problem of studying the mechanism of the cooling process in aqueous solutions of polymers. Comparison of the results of complex studies and video surveillance made it possible to propose a substantiated version of the mechanism of heat transfer during cooling of a metal sample in aqueous solutions of polymers. At the moment of shock boiling, a substance is formed in the wall layer, which is a nanosol (for PAG solutions) or a nanogassuspension (for Na-CMC and PAA). Under the action of a shock wave, it is directed from the heated metal surface to the interface between the polymer solution-vapor film, forming an interfacial polymer shock film. One of the stages of the shock mechanism of the formation of a polymer film is the adsorption increase in the polymer concentration on the surface of the bubbles formed during shock boiling; the next stage, the polymer shell of the bubbles, is spent on the formation of an interfacial polymer film. Heat fluxes and heat transfer coefficients are presented as a function of polymer concentration and surface temperature. The research results can be useful for assessing the effect of an interfacial polymer film on the ratio of the initial, first qcr1 and second qcr2 critical heat fluxes density, which determines the passage of heat transfer stages in water-polymer quenching media (WPQM). VL - 6 IS - 4 ER -
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