Re: [TRNSYS-users] Simulation with Type536

["Matt Duffy" <duffy@tess-inc.com>]

Dear Chun Kwong LEE,

It really could be a few different things why the linear parabolic
concentrator is not getting a superior solar fraction. My suspicion is
that it may be something with your Type16 radiation processor or perhaps
the location of the collectors, but I am not positive.

Type536 does consider the slope with the "incidence angle" input. When you
specify the slope of the surface in your Type15 or Type16 radiaiton
processor, it produces an "angle of incidence" output for each slope.


Best regards,

Matt Duffy


----- Original Message -----
From: "" <a8304506@graduate.hku.hk>
Sent: Sun, May 3, 2009 20:52
Subject:[TRNSYS-users] Simulation with Type536

Hello, Trnsys users.

I am simulating a solar-cooling system using the Type536 linear parabolic
concentrating collectors.  However, I find that the solar fraction of the
system is smaller than that using evacuated tubes or even flat-plate
collectors
based on the same aperture area.  Is it abnormal?  I use the Type16 to
calculate the solar insolation, but the component requires an input for the
slope of the solar collectors, which I cannot find in Type536.  Will it cause
serious error in the simulated results if I specify a collector slope only in
Type16?  Your reply is highly appreciated.  Thank you!

Best Regards
LEE, Chun Kwong
Division of Building Science and Technology
City University of Hong Kong






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----- End of original message -----