Tait's equation
The Tait equation is the classic equation of state for water . It gives a relationship between pressure and density for media that are difficult to compress :
where is the initial density and the density is in the compressed state. The constants occurring and their numerical values for water are
where represents the speed of sound at the outlet pressure and the compression modulus . The constant is the adiabatic exponent . With other numerical values for and , the equation can also be applied to other liquids.
The equation is named after Peter Guthrie Tait , who set it up when evaluating the temperature measurement results in the deep sea during the Challenger expedition .
The Taitsche equation is sometimes to be found under the (false) name Tatesche equation .
Individual evidence
- ↑ Anika Stein: Simulation of rotordynamic problems with the Smoothed Particle Hydrodynamics method . Kassel University Press, ISBN 3-7376-0220-4 , pp. 31 ( limited preview in Google Book search).