The Temperature Dependence of the Speed of Sound in Bovine Bone Marrow at 750 KHz

Overview

Journal Ultrasound Med Biol

Specialty Radiology

Date 2006 Jun 21

PMID 16785020

Citations 2

Authors

Amina Ali El-Sariti

J Anthony Evans

John G Truscott

Affiliations

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Abstract

We present values for the speed of sound (SOS) in bovine bone marrow as a function of temperature between 17 degrees C and 44 degrees C. The measurements were made using a time-of-flight approach on a volume of roughly 10 mL, at 750 kHz. The equipment was validated using both distilled water and castor oil. The results show a linear response with SOS changing from 1456.23 ms(-1) at 17 degrees C to 1342.40 ms(-1) at 44 degrees C. The mean value at 37 degrees C was (1371.91 ms(-1)). The temperature coefficient of the SOS was found to be -4.21 +/- 0.19 ms(-1) degrees C(-1). This was well fitted to a least squares model with R2 = 0.88.

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