Amirreza,
Type665 models an on/off single stage heat pump. If you need to
maintain a 4C temperature drop across the air side then you would
need to modulate the flow rate of air across the evaporator.
Please note that this is not a simulation issue; this is a real
life issue when using single speed compressor heat pumps in
system. There are now variable speed compressor heat pumps on the
market that can modulate their internal compressor speed to meet
an outlet temperature or to maintain a temperature difference
across either the evaporator or the condenser and we have written
some models for TRNSYS of them. They are, however, written for use
in Trnsys17.
kind regards,
David
I'm using a heat pump (type 665-2). The outlet temperature of evaporator coil is about 4 C . I like to have just 4 C temperature drop for air. How I couls specifiy it? is there any ay to control the outlet temperature of air ?Thank you
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amirrezaheidarymaster student of energy systems EngineeringSharif university of technologyTehran-IranE-mail address:P Save a tree... Please don't print this E-mail unless you really need to.
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-- *************************** 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