Abdolrasol Rahimi

4 Questions 4 Answers 0 Followers

Questions related from Abdolrasol Rahimi

Measuring speed of sound in porous scaffolds?

Hello all, I like to measure speed of sound in porous scaffolds. I have characterized physical properties of each scaffolds (i.e. Elastic Modulus, porosity and etc.). In my setup, using a...

20 February 2019 9,064 3 View

How ultrasound wave propagation at the boundary is affected by material density?

Hello, I am working on the finite element modeling of the ultrasound wave propagation. I want to check the wave transmission from water (impedance 1.5 *10^6 kg/(m^2.s)) to two different...

22 July 2018 1,553 5 View

Which one is the correct formula to calculating acoustic impedance?

Hello All, The well known formula to calculate the acoustic impedance is Z=pV [p=density, V=acoustic velocity]. Also, the sound wave velocity can be calculated using V=sqrt(E/p) [E=Elastic...

19 December 2017 3,963 6 View

What material can damp/absorb 1 MHz ultrasound in a water tank?

Hello, I am looking for a material to be used as a cover for a water tank wall to damp/absorb the 1 MHz ultrasound waves so there will be no reflection from the walls. I appreciate any help and...

11 August 2017 1,063 2 View