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[EnergyPlus_Support] Detailed ICE storage - for PCMs? Nodes & curves question



Hello- 
I am attempting to experiment with the detailed Ice storage object, as I noticed it has "freezing temperature of storage medium" rather than assuming freezing temp for water of 0C/32F. I added the objects from the example file to to a model I have been working on and attempted to connect the nodes, but when trying to run E+ crashes. Also I was thinking to use data from DSC tests of PCM for the charge and discharge curves, but am not sure how to approach it. (I am guessing 1=solid and 0= melt, but am unsure), also I wanted to use the thickness of PCM for the volume of the storage tank, but am unsure about the GJ, what unit would this be? Any advise would be great, and thanks in advance- 

DSC curves, and thickness info-https://docs.google.com/spreadsheet/ccc?key=0Ag7cD5ZV9QwRdHlCSWVfWWV2WG5rQjdaN0dLTGlab2c

Below is the copy paste's from the IDF..



Name Ice Tank
Availability Schedule Name ON
Capacity 0.5
Inlet Node Name Ice Tank Inlet Node
Outlet Node Name Ice Tank Outlet Node
Discharging Curve Object Type QuadraticLinear
Discharging Curve Name DischargeCurve
Charging Curve Object Type QuadraticLinear
Charging Curve Name ChargeCurve
Timestep of the Curve Data 1
Parasitic Electric Load During Discharging 0.0001
Parasitic Electric Load During Charging 0.0002
Tank Loss Coefficient 0.0003
Freezing Temperature of Storage Medium 23
Name DischargeCurve ChargeCurve
Coefficient1 Constant 0 0
Coefficient2 x 0.09 0.09
Coefficient3 x**2 -0.15 -0.15
Coefficient4 y 0.612 0.612
Coefficient5 x*y -0.324 -0.324
Coefficient6 x**2*y -0.216 -0.216
Minimum Value of x 0 0
Maximum Value of x 1 1
Minimum Value of y 0 0
Maximum Value of y 9.9 9.9
Minimum Curve Output
Name Cooling Supply Outlet
Maximum Flow Rate 0
Pressure Drop Curve Name
Component 1 Object Type ThermalStorage:Ice:Detailed
Component 1 Name Ice Tank
Component 1 Inlet Node Name Ice Tank Inlet Node
Component 1 Outlet Node Name Ice Tank Outlet Node
Component 1 Branch Control Type PASSIVE
Component 2 Object Type Pipe:Adiabatic
Component 2 Name Supply Side Outlet Pipe
Component 2 Inlet Node Name Ice Tank Outlet Node
Component 2 Outlet Node Name CW Supply Outlet Node
Component 2 Branch Control Type PASSIVE
Component 3 Object Type
Component 3 Name
Component 3 Inlet Node Name




Jeremiah D. Crossett
CleanTech Analytics
503-688-8951
www.cleantechanalytics.com


This document may contain valuable information proprietary to CleanTech Analytics which is private and confidential. It may not be shared, copied, stored or transmitted in any form without the prior written consent of CleanTech Analytics




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