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Re: [EnergyPlus_Support] Re: Phase change material
Just to add few lines for improving the PCM's modeling practice.
I have been involved in PCM's modeling for the last 3-4 years of my PhD work at my institution. During this period, I tested several PCM modeling methods under varying PCM's thermal properties. The objective was to test the sensitivity of PCM mathematical models and numerical solvers to the variation of PCM thermal properties (latent heat and melting range). For a PCM with a wide melting range (>1 C) as the case for DuPont Energain, the conclusion is that even a worst numerical solver and associated scheme can give good results when validated with experimentation. Now when using this validated model for PCM with tight melting range, the results may not be reliable. It would be really nice to have some experimentation reuslts in the literature for PCM with tight melting range such as BioPCM!!.
regards,
Saleh Al-Saadi
On Sunday, April 20, 2014 10:54 AM, Jeremiah Crossett <jcrossett@xxxxxxxxxxxxxxx> wrote:
Vasken,
Thanks, I look forward to hearing more about your project as it develops. I am actually in Portland- could I come to Concordia and take a look at your setup?
Also, if you are interested in expanding your research I can provide you with free BioPCM products to test. It would be interesting to see a comparison between BioPCM mat's and DuPont Energain panels. Some reasons you may want to evaluate BioPCM Mat's from Phase Change Energy Solutions Inc.
1. DuPont Energain panels are made from petroleum and are not typically used in the USA because they are a fire hazard.
2. DuPont Energain panels use micro encapsulation and thus have much lower conductivity and latent heat capacity then BioPCM mat's.
3. DuPont Energain panels typically cost 5 times that of BioPCM mats in terms of thermal energy storage capacity.
4. DuPont is a massive chemical company that makes all kinds of things, and it seems there PCM department is just another way to sell chemicals... Phase Change Energy Solutions is a 100% dedicated to PCM's and sustainability. Our factory is net positive due to our 600 kW roof top solar, we use sustainable sourcing and recycled materials and are even living building challenge approved.
â??â??
Jeremiah D. Crossett | Senior Analyst | Phase Change Energy Solutions
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120 E. Pritchard St. | Asheboro, NC 27203
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| Mobile 503-688-8951
<http://www.phasechange.com/>www.phasechange.com
<http://i.imgur.com/Sldxf.jpg>
On Sun, Apr 20, 2014 at 9:06 AM, <<mailto:v.merovingian@xxxxxxxxx>v.merovingian@xxxxxxxxx> wrote:
>
Thank you Jeremiah!
I downloaded your files and am taking a good look at them. We are running experiments using DuPont Energain panels. I will be modeling our setup in the next few weeks and I'll compare our results with the simulation.
I'll keep you posted,
Vasken Dermardiros
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