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Paul, The answer to your question depends a bit on which version of TRNSYS you are using and whether you have access to some of the add-ons that are available. In v16 and v17 you are correct that the standard library does not contain a lot of HVAC equipment models from which you could assemble an air handler model. If you are using v16 or v17 you would need to either write your own models or use an add-on such as Type334 or components from the TESS HVAC library. In v18 the developers added a number of HVAC equipment models but in order to model the internal pieces of an air handler, you may well still need to use components from outside the standard library. In order to create a set point temperature for your zone you
can use the Type108 thermostat model. It is available in the
standard library in v17. You might also want to look at the
tutorial called "temperature level control from energy rate
control"
(http://sel.me.wisc.edu/trnsys/downloads/tutorials_and_examples/tutex17.htm).
It gives some information about the general methodology of
modeling a building using actual equipment models. kind regards, David
On 06/02/2017 07:54, Gillet Paul via
TRNSYS-users wrote:
Hi, I have a request concerning the TRNSYS software that my company SOJA ingenierie bought recently. My question concern AHU. I know that there is several way to modelize an air handling system using TRNSYS. First, add ventilation in TRNBuild and create input for the air flow rate, ventilation temperature.. It is really posible to simulate an AHU just using TRNBuild ? Then, I tried to modelize each component of AHU in Simulation Studio, but I don't know how to create a set point temperature in my zone. Finally, i know that a type 334 exist, but it is payant. And I don't know the best way to modelize my system. So, what is the best way to modelize an Air Handling Unit in Simulation Studio ? Please find attach to the mail some files of my work. I just want to visualize the temperature evolution in my building with an AHU. Thank you for your answer and your help. Best regards, -- *************************** David BRADLEY Principal Thermal Energy Systems Specialists, LLC 22 North Carroll Street - suite 370 Madison, WI 53703 USA P:+1.608.274.2577 F:+1.608.278.1475 d.bradley@tess-inc.com http://www.tess-inc.com http://www.trnsys.com |