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To: ">Int. Techdiver" <techdiver@opal.com>
Subject: FW: physical tissue models
From: THERRIEN Michel <MTHERRIEN@sh*.mo*.mm*.sh*.co*>
Date: Thu, 16 Feb 95 17:02:00 PST
A simple and non-expensive reference on that subject is:

"Microprocessor Application to Multi-Level Diving", written by Karl Huggins.

This was available from Michigan Grant Sea College for 5$ (5 years ago).

Farallon, KS and other analog, pneumatic computers are described.

Interestingly enough, although the idea of simulating absorbtion and 
elimination of N2 through soft membranne seems to be a good idea, none of 
these computers, with the possible exception of the KS device was reliable 
(from what I understood).

Michel
MTHERRIEN@sh*.mo*.mm*.sh*.co*

PS:  If I remember correctly, the original KS pneumatic dive computer 
included  4 compartments arranged in PARALLEL.  They modified the original 
computer to a serial model after they had done some test with the parallel 
version.
 ----------
From: owner-techdiver
To: David Doolette; techdiver
Subject: Re: physical tissue models
Date: 16 February, 1995 10:30

David --

  >reminds me of the old SOS "bend-o-matic" dive computer with the gas bag,
  >substance X filter, and bourdon tube metre.
  >
  >Also reminds me of the original Kidd-Stubbs pneumatic dive computer with
  >serial compartments connected with small orifices to simulate/regulate 
gas
  >diffusion.

Ok, do you have any details on these?  And don't you think that, here in the
90's, there might be better materials such as gels?

  -- Robert

 --------------------------------------------
E-mail: RLaird@pe*.co* (Robert Laird)
Phone : 713-627-4323       Fax: 713-989-3086
Houston, TX
 --------------------------------------------
02/16/95  08:30:51


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