Thank's Jeff,... 1) Standard TRNSYS contains type32, type52a, type52b cooling coils model (simplified and detailed respectively): I think I can use one of these types in conjunction with type3b pump model and type4a stratified storage tank model to simulate the fun coil (see the attachment). In heating mode the pump supplies outlet fluid temperature and flowrate to a storage tank (that needs cold-side temperature and flow-rate as input); storage tank calculates water temperature and flowrate to heat source that I link as input in type32 (or 52). In this way I have the outlet dry bulb temperature and flowrate of the air to use as ventilation's inputs in PREBID. The inlet dry and wet bulb temperature in type32 are output of type56 multizone model. It's exact (probably a fan is necessary...)?. If yes, how can I to simulate the cooling mode? And which component are necessary? Mine is a year's simulation... need I a controller, maybe? 2) Alternatively, for the fun coil TESS has a type673 2-Pipe Console Unit that requires as input fluid temperature and total fluid flowrate of the working fluid (as type 32). The outputs are Sensible load met, Latent load met, Load not met, Fan power and Fan fraction of full-load power, but there are no outlet temperature and flowrate of the air to link as input in PREBID! How can I connect this type with type 56?? 3) Type31b simple (and type556 detailed) buried horizontal pipes is easy to use without the equipment, but I'm searching a way to arrange it with the fun coils... Kind regards Maurizio Sorce Department of Energy and Environmental Research (DREAM) Università degli Studi di Palermo ----- Original Message ----- From: "Jeff Thornton" <thornton@xxxxxxxxxxxx> To: <BLDG-SIM@xxxxxxxx> Sent: Wednesday, March 03, 2004 10:08 PM Subject: [BLDG-SIM] Fun coil > At 04:26 PM 3/3/2004 +0000, someone on the BLDG-SIM mailing list wrote: > > << 1) a fun coil convenctional system for heating and cooling; > << 2) a hybrid system fun coil/buried horizontal pipes. > <<Can help me to choose the just component for the fun coil? How I can > arrange fun coil with buried horizontal pipes? > > I posted this reply to the TRNSYS mailing list, but thought since it also > came through BLDG-SIM that I would answer it here in case anyone was > interested. > > ""Standard TRNSYS does not contain models for fan coil units (or even fun > coil units) - unless you have decent catalog data in which case you could > use the Type 42 catalog look-up routine. TESS has a few fan coil models > (2-pipe and 4-pipe with various combinations of controls and fan types) > that will be released in Version 2 of the TESS HVAC library (for release > with TRNSYS 16). These could be made available earlier if needed. Or you > could certainly write your own model and add it to TRNSYS. We also have a > model for horizontal buried pipes available in the current TESS GHP library. > > As for the arrangement of fan coils and buried pipes I would suggest you > first do a literature search to see what others have tried. Then use the > modular nature of TRNSYS and try as many combinations as you can imagine - > behold the power of flexibility..... > > Let us know if you have any other questions."" > > Jeff > > > > > **************************************************************************** ***** > Thermal Energy System Specialists (TESS) > Jeff Thornton 2916 Marketplace Drive > Principal Suite 104 > Phone: (608) 274-2577 Madison WI 53719 > Fax: (608) 278-1475 USA > E-mail: thornton@xxxxxxxxxxxx > Web Page: www.tess-inc.com > > "Providing software solutions for today's energy engineering projects" > **************************************************************************** ***** > > ====================================================== > You received this e-mail because you are subscribed > to the BLDG-SIM@xxxxxxxx mailing list. To unsubscribe > from this mailing list send a blank message to > BLDG-SIM-UNSUBSCRIBE@xxxxxxxx > >
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