Journal
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
Volume 127, Issue 1, Pages 174-180Publisher
ACOUSTICAL SOC AMER AMER INST PHYSICS
DOI: 10.1121/1.3257223
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- National Science Foundation [DGE- 9870713]
- NSF [EAR-0337796]
- NASA Astrobiology Institute [NNX08AQ51G]
- NASA [NNG06GF81G]
- Jet Propulsion Laboratory at the California Institute of Technology
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Sound velocities in liquid water were measured by the method of impulsive stimulated scattering in a sapphire-windowed high-pressure cell from -10 to 100 degrees C and pressures as high as 700 MPa. Velocity measurements are compared with previous experimental efforts relative to the International Association for the Properties of Water and Steam (IAPWS-95) formulation for the equations of state. At 0 and -10 C, sound velocities are in agreement with the one previously published study at sub-zero temperatures to 350 MPa. At ambient and elevated temperatures, differences between the present measurements and IAPWS-95 velocities approach 0.5% near 700 MPa. Inversion of velocity data for density yields results within IAPWS-95 uncertainties, except at the highest temperatures, where elevated sound velocity at high pressure corresponds to as much as -0.2% disagreement with IAPWS-95. (C) 2010 Acoustical Society of America. [DOI: 10.1121/1.3257223]
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