D.Prakash and Dr. A.Mukunthan
In the current research work a sample liquid is taken and attempt has been made for it to drive expressions for internal pressure and mean free volume occupied per molecules which depend up on the packing of molecules. Thermodynamical parameters like entropy, volume and temperature liquid property like viscosity are considered for deriving the expression of internal pressure. For the expression of free volume per molecule liquid properties like viscosity and the formula given by C.S.Suryanarayana &et.al are used. The free volume plays an important role in the propagation of ultrasonic waves in liquid.
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