Possible Anomaly in the Surface Tension of Supercooled Water: New Experiments at Extreme Supercooling down to-31.4 degrees C

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F20%3A00524476" target="_blank" >RIV/61388998:_____/20:00524476 - isvavai.cz</a>

Výsledek na webu

<a href="https://dx.doi.org/10.1021/acs.jpclett.0c01163" target="_blank" >https://dx.doi.org/10.1021/acs.jpclett.0c01163</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1021/acs.jpclett.0c01163" target="_blank" >10.1021/acs.jpclett.0c01163</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Possible Anomaly in the Surface Tension of Supercooled Water: New Experiments at Extreme Supercooling down to-31.4 degrees C

Popis výsledku v původním jazyce

The surface tension of water is suspected to show a substantial increase at low temperatures, which is considered to be one of the many anomalies of water. The second inflection point (SIP) anomaly, originally claimed to be at around -8 degrees C, was experimentally refuted down to -25 degrees C by HrubY et al. (J. Phys. Chem. Lett. 2014, 5, 425-428). Recent molecular simulations predict the SIP anomaly near or even below the homogeneous freezing limit of around -38 degrees C. To contribute to an ongoing discussion about the SIP anomaly, new experiments focused on extreme levels of supercooling were carried out in this study. Unique experimental data down to -31.4 degrees C were collected using two measuring techniques based on the capillary rise method. A significant deviation from the extrapolated IAPWS formulation R1-76(2014) for surface tension of ordinary water was detected below -20 degrees C. Contrary to previous data, new experiments provide room for an anomaly in the course of surface tension in the deeply supercooled region.

Název v anglickém jazyce

Possible Anomaly in the Surface Tension of Supercooled Water: New Experiments at Extreme Supercooling down to-31.4 degrees C

Popis výsledku anglicky

The surface tension of water is suspected to show a substantial increase at low temperatures, which is considered to be one of the many anomalies of water. The second inflection point (SIP) anomaly, originally claimed to be at around -8 degrees C, was experimentally refuted down to -25 degrees C by HrubY et al. (J. Phys. Chem. Lett. 2014, 5, 425-428). Recent molecular simulations predict the SIP anomaly near or even below the homogeneous freezing limit of around -38 degrees C. To contribute to an ongoing discussion about the SIP anomaly, new experiments focused on extreme levels of supercooling were carried out in this study. Unique experimental data down to -31.4 degrees C were collected using two measuring techniques based on the capillary rise method. A significant deviation from the extrapolated IAPWS formulation R1-76(2014) for surface tension of ordinary water was detected below -20 degrees C. Contrary to previous data, new experiments provide room for an anomaly in the course of surface tension in the deeply supercooled region.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20303 - Thermodynamics

Projekt

<a href="/cs/project/GA19-05696S" target="_blank" >GA19-05696S: Vlastnosti teplosměnných tekutin na bázi vody při extrémních podmínkách</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2020

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Physical Chemistry Letters

ISSN

1948-7185

e-ISSN

—

Svazek periodika

11

Číslo periodika v rámci svazku

11

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

5

Strana od-do

4443-4447

Kód UT WoS článku

000538759600032

EID výsledku v databázi Scopus

2-s2.0-85085960621