[Stoves] emissions

[Dana Charron]

Hi Paul,

>From our experience, I want to second Dean's comment.  It takes a long time
to be sure that your instrumentation is reliable and bug-free.  And that
time is so well spent. When stove promoters take the time and effort to test
their stoves, you want the process work as anticipated and the resulting
data to be clear and easy to interpret.  Believe me -- we know something
about being pressured to deploy a new tool too soon and dealing with the
challenging consequences.  

Regarding particle measurements, the UCB particle monitor has gone through
several upgrades, and we would be happy to discuss its use with you,
depending on what your requirements are.  And of course, there are other
conventional filter systems as well.  

--Dana 

-----Original Message-----
From: stoves-bounces at listserv.repp.org
[mailto:stoves-bounces at listserv.repp.org] On Behalf Of Dean Still
Sent: Tuesday, January 09, 2007 8:45 PM
To: 'Paul S. Anderson'; 'Discussion of biomass cooking stoves'
Subject: Re: [Stoves] emissions

Dear Paul,

As you know from working on the T-LUD, great things take time. All parts of
the PEMS are still in development but as soon as they are available, and we
are working very hard on it, we'll let everyone know. 

Best,

Dean

-----Original Message-----
From: Paul S. Anderson [mailto:psanders at ilstu.edu]
Sent: Tuesday, January 09, 2007 5:38 PM
To: Discussion of biomass cooking stoves; Dean Still
Cc: 'Discussion of biomass cooking stoves'
Subject: Re: [Stoves] emissions

Dean, Nordica, and all,

You wrote "this year", but 2007 is still 11.5 months long.  PEMS has been
shown at ETHOS and Stove Camp for the past 2 years at least.  We are
anxious.
What
are the limitations preventing release?

Can pieces of your PEMS be purchased separately?  Specifically, the
measurement of the Particulate Matter (PM) is probably the most important
"missing link", while CO and CO2 have several other options for measurement.

What would the PM components cost?  Name your conditions.

Paul
--
Paul S. Anderson, Ph.D., Geography professor - Emeritus
Telephone:  USA-309-452-7072 (residence and office) Internet site:
www.ilstu.edu/~psanders For my gasifier stoves info, go to:
http://bioenergylists.org/contributors#Paul_Anderson


Quoting Dean Still <dstill at epud.net>:

> Dear All,
>
> Nordica and Damon at Aprovecho have been working over the last year to
> finish developing a low cost emission hood (PEMS: Portable Emission
> Monitoring System) that folks could use to tune their stoves, stove
> prototypes. Being able to see the effect of changes to a stove in real
time,
> changes in CO, CO2, PM, has helped us a lot in trying to make low cost,
> clean burning stoves. Our intention is to get these low cost hoods out
this
> year so that anyone interested can have an up to the minute 'lab' of their
> own.


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