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[TRNSYS-users] Type 56 with external cooling equipment



Hi ALL,

 

I am currently working on my undergraduate report on radiant panel cooling, with TRNSYS as my main simulation software.

I have modeled a simple multi-zone building using Simulation Studio, with Singapore weather (TMY2) data as the weather input. I was able to run the simulation to obtain the temperature profile of the zone. I was wondering what are the appropriate steps to determine the cooling load for my zone. The last time I checked, my simulation provided zero values for both the QSENS and QLATD.

 

Also, I aim to connect my building model to an external cooling equipment. I have created the three inputs suggested by the TRNSYS manual ie VENTILATION AIRCHANGE, TEMPERATURE and HUMIDITY. I attempted to model a simple constant air  volume  system, consisting of these components (Type 667b Air-Air Heat Recovery, Type 754h Heating Coil, Type 752h Cooling Coil, Type 642-2 Fan) but simulation returned exactly the same profile as before the equipment is added. What could be wrong or missing in my configuration? In addition, I realized that Type 56 has no air flow as output, so how do I link the model to Type667b (i.e. exhaust air from zone to Type 667b)?

 

As I am new to the software, any help is greatly appreciated!

 

Nguan Teck

Final Year Undergraduate, Mechanical Engineering

Nanyang Technological University (Singapore)