seawat : Message: Re: diffusion coefficient

Message #93 of 101 |

From rohitrg@... Sat Jun 20 20:16:25 2009
Return-Path: <rohitrg@...>
Received: (qmail 59283 invoked from network); 21 Jun 2009 03:16:22 -0000
Received: from unknown (69.147.108.200)
by m7.grp.re1.yahoo.com with QMQP; 21 Jun 2009 03:16:22 -0000
Received: from unknown (HELO n5-vm6.bullet.mail.sp2.yahoo.com) (67.195.135.101)
by mta1.grp.re1.yahoo.com with SMTP; 21 Jun 2009 03:16:22 -0000
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoogroups.co.in; s=foxtrot; t=1245554133; bh=asRN1E+qNf8kvtGWqfX9UIjODt/VDpY4MDyWQqk6s24=; h=Received:Received:Received:X-Sender:X-Apparently-To:X-Received:X-Received:X-Received:X-Received:MIME-Version:X-Received:In-Reply-To:References:Date:Message-ID:To:X-Originating-IP:X-eGroups-Msg-Info:From:Subject:X-Yahoo-Group-Post:X-Yahoo-Profile:Content-Type:Content-Transfer-Encoding:X-YGroups-SubInfo:X-eGroups-Edited-By:Sender:X-Yahoo-Newman-Property:X-eGroups-Approved-By:X-eGroups-Auth; b=vr/+HfWzZzqBoUehxcU4WITmk3gbAMXotiTx8Qx75+g3JS2382vGWuCVOR4XI5GkLVgiZM+rF04tH7DBn5vOIFfaIBvtZ8nJJM12HEM/zbC/pmoPPQnqIwjZU3ynoeyq
Received: from [67.195.134.239] by n5.bullet.mail.sp2.yahoo.com with NNFMP; 21 Jun 2009 03:15:33 -0000
Received: from [69.147.65.150] by t4.bullet.mail.sp2.yahoo.com with NNFMP; 21 Jun 2009 03:15:33 -0000
Received: from [98.137.34.73] by t7.bullet.mail.sp1.yahoo.com with NNFMP; 21 Jun 2009 03:15:33 -0000
X-Sender: rohitrg@...
X-Apparently-To: seawat@...
X-Received: (qmail 4978 invoked from network); 20 Jun 2009 18:42:33 -0000
X-Received: from unknown (69.147.108.201)
by m1.grp.re1.yahoo.com with QMQP; 20 Jun 2009 18:42:33 -0000
X-Received: from unknown (HELO mail-gx0-f226.google.com) (209.85.217.226)
by mta2.grp.re1.yahoo.com with SMTP; 20 Jun 2009 18:42:33 -0000
X-Received: by gxk26 with SMTP id 26so4041174gxk.20
for <seawat@...>; Sat, 20 Jun 2009 11:41:08 -0700 (PDT)
MIME-Version: 1.0
X-Received: by 10.151.46.15 with SMTP id y15mr8092235ybj.302.1245523268383; Sat,
20 Jun 2009 11:41:08 -0700 (PDT)
In-Reply-To: <1245512352.1387.20492.m3@...>
References: <1245512352.1387.20492.m3@...>
Date: Sat, 20 Jun 2009 14:41:08 -0400
Message-ID: <b41d1c0906201141o21cd345ajfdef062948c5217@...>
To: seawat@...
X-Originating-IP: 209.85.217.226
X-eGroups-Msg-Info: 1:12:0:0:0
From: rohit goswami <rohitrg@...>
Subject:Re: diffusion coefficient
X-Yahoo-Group-Post: member; u=225470622; y=ZSi0f9Y6SiVskW2hpIv5WD5ru7H5o0b6JVS4c-uakiu6fz4
X-Yahoo-Profile: rrgrules
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
X-YGroups-SubInfo: t=0;f=4;g=none;
X-eGroups-Edited-By: cpkumar <cpkumar@...>
X-Yahoo-Newman-Property: groups-system
X-eGroups-Approved-By: cpkumar <cpkumar@...> via web; 21 Jun 2009 03:15:33 -0000

Diffusion coefficient for Henry problem is actually the total dispersion
coefficient. Henry assumed a constant dispersion coefficient (D) to obtain
his semi-analytical solution. You will notice that the dispersivity values
are 0 for the Henry problem.

-Rohit

> --- In seawat@... <seawat%40yahoogroups.co.in>,
> "hydrogeomatt" <matt_d_webb@...> wrote:
> >
> > Hi,
> >
> > Does anyone know where I can find some literature values for the
> diffusion coefficient for saline water in an aquifer? I have searched and
> found very little, only conflicting information. The tutorial tells you to
> use 10^-10 m2/d, but the manual (older version) which discusses Henry's
> problem says that they used 1.62925 m2/d. They are obviously many orders of
> magnitude different, which is worrying!
> >
> > Also, is it possible to change the diffusion coefficient once you have
> set up a transport variant in SEAWAT? The option is there under the species
> parameters when you first apply the values, but if you return later the
> option is no longer on the list. Do I have to add a new species from scratch
> or is there a quick way?
> >
> > Thanks,
> >
> > Matt

Sat Jun 20, 2009 6:41 pm

Show Message Option

rohit goswami <rohitrg@...>

rrgrules

Offline

Send Email

Yahoo! Groups Tips

Did you know...

Messages