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A simple and accurate formula for the sound velocity in water

1998; Elsevier BV; Volume: 24; Issue: 7 Linguagem: Inglês

10.1016/s0301-5629(98)00091-x

1879-291X

Jaap Lubbers, R. Graaff,

Flow Measurement and Analysis

The sound velocity in test objects and phantoms is often measured by performing a differential measurement with pure water. To promote standardization, a simple formula for the sound velocity in water is derived that renders true values within 0.20 m s(-1) over the temperature range 15-35 C. The formula is given by c = 1404.3 + 4.7 T - 0.04 T2, with sound velocity c in m s(-1) and temperature T in C.