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[BLDG-SIM] Thermal Ice Storage using Phase Change Material
There were one or two US manufacturer of
alternative PCMs for cool thermal storage during
the height of the TES boom (Transphase) that are
no longer in business. Sounded like a great idea
at the time, but the economics never worked
out. Storage density was not as good as water and cost was far greater.
The main manufacturer of such media that I am aware of today is Cristopia.
http://www.cristopia.com/
Their web site indicates, however, that they only
offer media with 0C (water) and 27C phase change temperatures.
The 1993 ASHRAE Design Guide for Cool Thermal
Storage (currently out of print) has a chapter on eutectic materials.
Bill Bahnfleth
At 06:51 PM 3/14/2007, John Aulbach wrote:
Ian:
As I recall, DOE-2.1E used 5 styles of Ice TES,
including Eutectic Salts. Not sure how TES was
translated into eQuest (DOE-2.2).
-----Original Message-----
From: BLDG-SIM@xxxxxxxx [mailto:BLDG-SIM@xxxxxxxx] On Behalf Of Ian Doebber
Sent: Wednesday, March 14, 2007 1:41 PM
To: BLDG-SIM@xxxxxxxx
Subject: [BLDG-SIM] Thermal Ice Storage using Phase Change Material
Does anyone know whether a product exists or
research has been done on using replacing water
with Phase Change Material for thermal storage
systems. The phase change should have a similar
heat of fusion as water (314 kJ/kg) but a melting point at ~40-45°F.
Thanks
Ian
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_________________________________________________
William P. Bahnfleth, PhD, PE, FASHRAE
Professor of Architectural Engineering
Director, Indoor Environment Center
The Pennsylvania State University
104 Engineering Unit A
University Park, PA 16802 USA
voice: 814.863.2076 / fax: 814.863.4789
e-mail: wbahnfleth@xxxxxxx
www.arche.psu.edu/faculty/WBahnfleth/
http://www.engr.psu.edu/ae/iec/
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