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THE JOURNAL OF CHEMICAL PHYSICS 136, 094507 (2012) Thermodynamics of supercooled water
 

Summary: THE JOURNAL OF CHEMICAL PHYSICS 136, 094507 (2012)
Thermodynamics of supercooled water
V. Holten, C. E. Bertrand,a)
M. A. Anisimov,b)
and J. V. Sengers
Institute for Physical Science and Technology and Department of Chemical and Biomolecular Engineering,
University of Maryland, College Park, Maryland 20742, USA
(Received 7 December 2011; accepted 10 February 2012; published online 2 March 2012)
We review the available experimental information on the thermodynamic properties of supercooled
water and demonstrate the possibility of modeling these thermodynamic properties on a theoretical
basis. We show that by assuming the existence of a liquid­liquid critical point in supercooled water,
the theory of critical phenomena can give an accurate account of the experimental thermodynamic-
property data up to a pressure of 150 MPa. In addition, we show that a phenomenological extension
of the theoretical model can account for all currently available experimental data in the supercooled
region, up to 400 MPa. The stability limit of the liquid state and possible coupling between crys-
tallization and liquid­liquid separation are also discussed. It is concluded that critical-point ther-
modynamics describes the available thermodynamic data for supercooled water within experimental
accuracy, thus establishing a benchmark for further developments in this area. © 2012 American
Institute of Physics. [http://dx.doi.org/10.1063/1.3690497]
I. INTRODUCTION

  

Source: Anisimov, Mikhail - Institute for Physical Science and Technology & Department of Chemical Engineering and Biomolecular Engineering, University of Maryland at College Park

 

Collections: Physics; Materials Science