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Table 2 Material properties used for acoustic FDTD and COMSOL thermal modelling.

From: Modelling ultrasound-induced mild hyperthermia of hyperplasia in vascular grafts

 

Blood

Muscle

Fat

ePTFE

Density ( ρ ) [kg/m 3 ]

1060b

1070b

937b

1230c

Specific heat capacity ( Cp ) [J/kg·K]

3894a

3140a

2600a

1172d

Thermal conductivity ( k ) [W/m·K]

0.5a

0.5a

0.7a

0.35d

Perfusion ( ω ) [s -1 ]

NA

6.776e-4a

4.373e-4a

NA

Speed of sound ( c ) [m/s]

1580b

1579b

1426b

1237c

Attenuation (α) at 1.5/3.2 MHz [Np/m]

4.5/9.6b

13.5/29.7b

10.5/22.4b

116/247.6c

  1. Obtained from aDuck [31], bChristensen [21], cVickers [23] and dIncropera [32].