Ahmad,
The models are different in 3 primary ways:
1) 538 has the ability to consider the mass of the collector.
2) 538 has a more rigorous solution algorithm that gives much better solutions at low flow rates, low solar radiation, etc.
3) 538 allows you to put the collector in temperature seeking mode and specify a desired output temperature from the collector.
Jeff
Sent from my iPhone
Dear Sir
I don't have TESS library now, I need this document to compare with evacuated tube type of standard TRNSYS library to see the differences and to learn more.
Thank you
..............................................................................................
Ahmad abbasianzadeh
Solar energy Researcher
Harrisburg, Pensylvania
If you have purchased the libraries you'll already have the documentation. .\Tess Models\Documentation\10-SolarLibraryMathematicalReference.pdf
On 05/05/2017 12:33 pm, ahmad abbasian via TRNSYS-users wrote:
Hello
Could anyone send me the mathematical modeling of type538 please? (evacuated tube solar collector-TESS-solar library)
Thank you
..............................................................................................
Ahmad abbasianzadeh
Solar energy Researcher
Harrisburg, Pensylvania
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