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Laser Optical Engineering Ltd

06:04 Feb-07-2001
allen whittick
Re: reflection of the (ultra)sound waves ><: I'm looking for the information about reflections of (ultra)sound waves from soft (e.g. human body or soft polymers), respectively hard (e.g. wood) materials. In particular:
: 1. Differences in the changes of the wave attenuation and/or velocity upon reflection from hard material compared to the reflection from the soft material.
: 2. Is there a material dependent wavelength intervall where these differences are particularly large?
: 3. Where to find theoretical description of these changes?
: 4. Where to find material constants enabling to evaluate these changes?
: Will appreciate your response
: Best regards
: Anatol Krozer




 
406 views
08:02 Feb-23-2000

Anatol Krozer

R & D, project manager
Imego Institute,
Sweden,
Joined Oct 1999
2
reflection of the (ultra)sound waves

I'm looking for the information about reflections of (ultra)sound waves from soft (e.g. human body or soft polymers), respectively hard (e.g. wood) materials. In particular:
1. Differences in the changes of the wave attenuation and/or velocity upon reflection from hard material compared to the reflection from the soft material.
2. Is there a material dependent wavelength intervall where these differences are particularly large?
3. Where to find theoretical description of these changes?
4. Where to find material constants enabling to evaluate these changes?
Will appreciate your response
Best regards
Anatol Krozer


 
06:50 Aug-13-2001
katie
Re: reflection of the (ultra)sound waves : I'm looking for the information about reflections of (ultra)sound waves from soft (e.g. human body or soft polymers), respectively hard (e.g. wood) materials. In particular:
: 1. Differences in the changes of the wave attenuation and/or velocity upon reflection from hard material compared to the reflection from the soft material.
: 2. Is there a material dependent wavelength intervall where these differences are particularly large?
: 3. Where to find theoretical description of these changes?
: 4. Where to find material constants enabling to evaluate these changes?
: Will appreciate your response
: Best regards
: Anatol Krozer
hellbohmn,mn,mn



 


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