<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:10pt"><pre><pre>Dear Trnsys_users,</pre><pre>
I am simulating a rotary desiccant dehumidifier (wheel) using Trnsys 17 and I chose type 716 of the Tess HVAC Library but I can't find the corresponding documentation of this type (no mathematical reference) .Also, I want to change parameters such as(The process air inlet temperature at design conditions.The regeneration air inlet temperature at design conditions,The process air outlet temperature at design conditions,<span style="font-size: 10pt;">The process air inlet humidity ratio at design conditions.etc..)</span><span style="font-size: 10pt;"> but by calculating </span><span style="font-size: 10pt;">Ɛ</span><span style="font-size: 10pt;">1 and <span style="font-size: 10pt;">Ɛ</span><span style="font-size: 10pt;">2 effectiveness(for the news parameters values) .I find <span style="font-size: 10pt;">Ɛ</span><span style="font-size: 10pt;">2 </span></span></span><span style="font-size: 10pt;">exceeds 1 is what is illogical.</span></pre><pre><span
style="font-size: 10pt;">Can someone help me please.</span></pre><pre>Thank you in advance for any advice.
Best regards </pre></pre></div></body></html>