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Re: [TRNSYS-users] Design of PCM tanks



Hello Moein,

For solar I guess you would be looking into vertical hot water storage tanks. If so, I have heard of two models whihc might be of interest to you.

There is Type840 which can simulate a vertical tank filled with PCM capsules of different shapes as well as a tank filled with PCM slurry and a submerged heat exchanger. There is also Type842 which models a bulk PCM tank with an immersed water-to-air heat exchanger which was developed by Andreas Heinz at the Institute of Thermal Engineering in Graz University of Technology.

Both these models were developed as part of IEA Solar Heating and Cooling program task 32 but I have not yet used either of them. Enclosed you will find Report C5 of Subtask C which explains each model in detail. This document should also provide you with the names and contact information from each model's authors if you wish to get access to these models. I also recommend these papers:

Bony, J., & Citherlet, S. (2007b). Numerical model and experimental validation of heat storage with phase change materials. Energy and Buildings, 39(10), 1065-1072. doi: 10.1016/j.enbuild.2006.10.017

Bony, J., & Citherlet, S. (2007a, Sept 03-06, 2007). Comparison between a new TRNSYS model and experimental data of phase change in a solar combisystem. Paper presented at the 10th Conference of the International Building Performance Simulation Association Beijing, China.

I have myself produced a TRNSYS model for a PCM storage tank but it is for a horizontal storage tank with rectangular PCM capsules and might not be what you are looking for. So far, I have published only a conference paper on the first version of my model (see the reference below) but I have a paper under review which details the improved version of the model and its experimental validation.

D'Avignon, K., & Kummert, M. (2012). Proposed TRNSYS model for storage tank with encapsulated phase change materials. Paper presented at the 5th National Conference of IBPSA-USA, Madison, Wisconsin. http://www.ibpsa.us/simbuild2012/Papers/SB12_TS07a_3_DAvignon.pdf

If you are interested in a horizontal configuration, please let me know and I will get you a copy of my paper and model.

Good luck!

Katherine D'Avignon



On 2016-01-25 13:15, Moein Hasheminasab wrote:
Dear TRNSYS Users

I want to design a solar energy storage with phase change materials ( PCM ) with TRNSYS and I can`t find the type of these storage tanks.
Could you help me where is these types ? 
And which types should I use?

Best regards


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