Subject: process analyzer communications - qanl_pa.asc [01/01]
From: 7397@mne.net (Mark Weiss)
Date: Wed, 27 Nov 1996 12:37:23 GMT
I am writing an article on process analyzer communications.
The focus of the article is communications between the analytical
instrument (process GCs, mass specs, photodiode array, FT IR, etc.,),
the analyzer data, the plantwide data highway, system, and the
process control computers.
Whether you are a vendor or user, could you share your experiences
with the magazine's readers by answering the questions below?
1. What is the problem with analyzer communications right
now?
2. How is the analyzer communications issue relate to
standard
analyzer outputs, ie, analytical signal and signals related to
instrument operation?
3. What different communications protocols are out there?
4. Why are they different? Is there a standard?
5. What do these protocols do/attemtpt to do?
6. Why choose one over the other?
7. What kinds of devices are necessary to utilize these
protocols?
8. What kinds of analyzers can be interfaced to these
devices?
9. What kinds of output do these devices accept from the
analyzer?
10. What kind of output do they transmit and to where?
11. What benefits can users expect for each device/protocol?
14. What are the computing requirements for using t hese devices,
ie, PC/Mac, Unix, or some othe proprietary architecture?
15. Are these devices/protocols plug and play?
16. Who is using? Names and phone numbers? (Please provide your
name phone and fax numbers, corporate affiliation, and title so I can
contact for more information or if I have questions. Please let me
know if I can quote you, too.
Thanks for your help.
Mark Weiss
Subject: Re: What's in a Job Title ?
From: hallmark@netcom.com (Mark Hall)
Date: Wed, 27 Nov 1996 13:50:46 GMT
Sam King (rls2222@internetland.net) wrote:
: I have picked up bits & pieces about the job title for one who does drafting. Some stand by the longtime
: term of draftsman, while others object. In recent years, we have always called the drafters, which has
: drawn (no pun intended) no complaints, but what about some of the job titles in the surveying profession?
: Are rodmen & chainmen now rodders & chainer? Are instrumentmen now instrumentors? I have tried to use
: the term Surveyor's Assistant, but that is a catch all phrase, that really doesn't define the specific
: duties of the job, like the old titles do. What do you think?
: --
Call me anything...just don't call me late for dinner!
Mark
Subject: Re: Truck aerodynamics
From: "Michael S. Walker"
Date: Wed, 27 Nov 1996 11:07:59 -0800
David E. Pearce Jr. wrote:
>
> Ed Harty. wrote:
> >
> > I am wondering if anyone knows where I might get information on
> > aerodynamcis of trucks, in particular what I would like to look at is the
> > effects of putting on windbreakers. Also I would like to know if anyone
> > knows about the air flow around the truck and in particular how this
> > influences the state of the boundary layers on the truck.
>
> > Ed Harty
> > 4th Mechanical Engineering.
> > University of Limerick.
> > Ireland.
>
>
> Check out on the WEB the various U.S. univerities with wind tunnels such
> as Virginia Tech or University of Maryland, etc. I am pretty sure most
> Truck companies don't have wind tunnels of their own and go to
> universities or aerospace companies and NASA to do their research.
>
> The most obvious thing about the boundary layer is it is definitely
> turbulent just about everywhere on the truck.
Two other places to check are the Department of Energy and the
Department of Transportation, both of whom were doing extensive research
in this area a few years ago, about 5, and may still be.
--
Michael S. Walker
AEgis Services Corporation
P. O. Box 160
Clinton, TN 37717 Ph 423-457-8242 Fax 423-457-8620 email
mwalker@usit.net
Subject: Re: Animation & Engineering
From: Satchi Venkataraman
Date: Wed, 27 Nov 1996 12:12:33 -0500
Hi Steve,
Check the Scientific Visualization Lab at Virginia Tech. Dr. Ron Kriz is
a leading person in this area and has a lot of publication. He is a very
nice guy if you want to colloborate with him. The following is the URL
to the Scientific Visualisation Lab at Virginia Tech.
http://pike.esm.vt.edu/index.html
Satchi
Steve Small wrote:
>
> Hi all.
>
> I've recently got into CGI/Animation and wish to combine my
> engineering/CAD/Design skills with it. I'm looking for anyone else out
> there that is currently pursuing such a carreer path. I'm interested
> in design visualization in particular. I would like to work in some
> form of new product development and utilize/combine such animation
> tools for design, assembly, automation, etc. If you are currently
> working doing something like this (or know of someone), do please drop
> me a line and tell me about yourself, your job, and any tips such as
> progressive companies that are using this technology. I'm currently
> using 3D Studio Max. Any help is appreciated. No need to repost to this
> newsgroup, just e-mail me back direct.
>
> Thanks in Advance
>
> Steve Small, P.E.
--
Subject: survey on use of Digital Masters for Design documentation
From: Dean Taylor
Date: Wed, 27 Nov 1996 18:02:35 +0100
I am looking for information on how widespread is use of
a Digital Master and or a Digital Mockup in industry.
I am on sabbatical leave in Germany, working on updating my CAD course,
and the topics are very hot over here.
Definition: A Digital Master is when "the" reference model is
electronic rather than on paper or a model or ....
The master reference is necessary to resolve conflicts
a) internally, b) between two companies, and c) in case of legal
liability.
Definition: A Digital Mockup means 100% digital representation
of product shape and structure. In particular a digital mockup is
used to manage product change and product release.
I would like to ask anyone on this newsgroup to respond to
the following questions. I will compile the answers and post
them to this newsgroup. I intend to maintain anononymity of
responses. For example, I will not retain the original responses,
only the compiled data.
Two further caveats. First, please reply to me by e-mail. My newserver
seems to miss postings. Second, a long thread discussing the
nuances of the definitions above and their implications could (and
perhaps should) result. However, in the context of your interpretation
of my question, please respond. I also plan to try and start a
thread discussing Digital Masters soon.
Thanks in advance
1. In our company, the master reference is
in case of | internal use | suppliers/customers | legal liability
____________________________________________________________
digital | | |
physical drawing | | |
other | | |
2. Our company uses digital mockups.
____ Yes ____ No
3. Our company can be described as
_____ Small ( < 200 employees)
_____ medium ( 200 < > 2000 employees)
_____ large ( > 2000 employees)
Thanks for all responses.
Dean Taylor e-mail: dean_taylor@cornell.edu
taylor@dik.maschinenbau.th-darmstadt.de
_____________________ _____________________
Cornell address Sabbatical Address
219 Upson Hall c/o DiK, TH Darmstadt
Cornell University Petersenstr. 30
Ithaca, NY, 14853 D-64287, Darmstadt
Germany
(607)255-0990 (office) 011 49 6151 16 60 01 (lab office)
(607)255-1222 (fax) 011 49 6151 16 68 54 (fax)
http://cadstudio.mae.cornell.edu 011 49 6151 16 30 45 (my desk)
_____________________ _____________________
Subject: US-NC-Optical Design Engineer-Aide Inc.
From: recruit@aide.com (Recruiting Department)
Date: Wed, 27 Nov 1996 20:12:39 GMT
Job Title: Optical Design Engineer
Location: Hendersonville, NC
LT
Ref: MC710
Person needs experience in HID (High Intensity Discharge) optics.
Would prefer a technical degree of some nature (physics, math, EE, ME,
etc.). Will be designing fixtures that use HID. Is dealing in
reflective optics, not refractive as in cameras. This is not a fiber
optics or laser optics type position. If the candidate is a good fit,
there is a chance that the position could go direct.
Please indicate specific NEWSGROUP where you saw this ad!
Submit resumes to:
Aide, Inc.
P. O. Box 6226
Greenville, SC 29606
Voice: 1-800-968-8971
Fax: 1-864-322-1040/1-864-244-8458
email: recruit@aide.com
Visit our Home Page: http://www.aide.com/~aide/
xaidex
Subject: US-VA-Mechanical Engineer-Aide Inc.
From: recruit@aide.com (Recruiting Department)
Date: Wed, 27 Nov 1996 21:34:53 GMT
Job Title: Mechanical Engineer
Location: Richmond, VA
Contract
Ref: NW10067
Will work as a lead mechanical engineer leading 4-5 designers. Should
have strong piping, equipment, and general mechanical equipment design
background. Initially will be working on the utilities for an
aluminum plant with process industry projects to follow on. BSME and
good people skills required. Would like someone to start on Dec2 or no
later than Dec 9.
Please indicate specific NEWSGROUP where you saw this ad!
Submit resumes to:
Aide, Inc.
P. O. Box 6226
Greenville, SC 29606
Voice: 1-800-968-8971
Fax: 1-864-322-1040/1-864-244-8458
email: recruit@aide.com
Visit our Home Page: http://www.aide.com/~aide/
xaidex
Subject: Re: Colleges w/ 5 year ME programs
From: klwasson@aol.com
Date: 27 Nov 1996 21:49:35 GMT
Adam C. Browne (acb4@Ra.MsState.Edu) wrote:
: Are there are any colleges or universities whose mechanical
: engineering programs scheduled for more than four years. This would not
: include cooperative education programs or internships.
The University of Oklahoma has a 5 year program for a BSME, although they
probably won't admit it. I graduated with a BSME from OU in 4 years, but
that was accomplished by taking 5 to 7 classes per semester (yeeehaaa!),
plus 2 to 3 classes every summer (including the summer preceding my four
year stint). By far most students there finish the degree in 5 years, by
taking 4 to 5 classes per semester and 0 to 1 classes per summer.
I went on to grad school at MIT. To my surprise I learned that you can
get a BSME from MIT by taking only 4 classes per semester and no summer
school. What?!!! I have since learned that most schools are this way.
For example, you can graduate as mechanical engineer from MIT without
having taken any Heat Transfer or Numerical Methods (they are not
required). That is crazy. In my opinion, these students do not have
enough fundamentals to get an ME degree.
Kevin
klwasson@aol.com
Subject: Looking for a good statistical analysis software for quality
From: crane@stjeannet.ca (Jean-Luc Lemieux)
Date: Wed, 27 Nov 1996 18:44:29 GMT
Hi!
We are implementing process random sampling of different product we are manufacturing and
I am looking for an easy (ie user friendly) software to record the result and draw graphs
and/or charts of the sampling result (mean, variation, % of certainty, Mean comparison,
ANOVA, etc.)
Could you suggest any package that would meet this description?
Thank again for the help.
NB. I will post back the result of this enquiry to share with all.
Jean-Luc Lemieux
Product Engineer
E-mail: crane@stjeannet.ca
Subject: Re: Backing rings for pipe welds
From: Tom O'Grady
Date: Wed, 27 Nov 1996 08:25:41 GMT
Chris Neary wrote:
>
> In article <32971D06.49B2@pilot.infi.net> Mark Elder writes:
> >I would appreciate opinions from indiviuals with experience in high
> >pressure pipe welding. My specific application is 400 psig
> >(could go higher sometime in the future, so high pressure procedures
> >are being specified) compressed air pipe in sizes ranging from 2" to 6";all butt welded. It has always been my understanding that backing rings
> >were good for pipe alignment and ease of installation. I have recently
> >been given some information suggesting backing rings can cause "shadows"
> >on the joint X-rays.
>
> >Experienced opinions on the pros and cons (including cost and
> >reliability) would be appreciated. Thanks in advance.
>
> Another consideration with backing rings is they form a crevice which can be
> an initiation site for corrosion, depending on what your process fluid is.
>
> Our normal practice is not to use them.
>
> ======================================
> Chris Neary
> Pacific Gas & Electric Company
> Welding & Inspection Services Group
>
> Reply to: cmn1@pge.com
> ======================================
Backing rings let the welder put down a lot of metal fast. They also
let the fabricator get away with poorly trained welders. I have used
them successfully on structural welding such as piling. I would not
even consider them for high pressure piping. As noted above, they
encourage poor welding methods, promote crevice corrosion, and make
inspection more difficult, especially if there is ever a need to come
back and reinspect for internal corrosion. The only exception would be
one of the engineered systems for internally coated pipe, where the
backing ring function is incidental to the job of bridging the internal
coating across the weld.
--
Tom O'Grady
E-mail: ogrady@alaska.net
Professional Mechanical Engineer
"Views expressed are strictly my own. Obviously"
