[Equest-users] Domestic water heater

[Chris Balbach]

Ana:
 
 
Best reference I've ever come across (with example calcs) which mimics the
approach of E+ as I understand it can be found here:
 
http://apps1.eere.energy.gov/buildings/publications/pdfs/building_america/44
816.pdf
<http://apps1.eere.energy.gov/buildings/publications/pdfs/building_america/3
8238.pdf> 
 
See page 22 (of 49) for the inlet mains equation, alonog with a plot of
Chicago IL TMY2 results so you can Q/A your implementation of Equation 4
(correct placement of parenthesis in this makes a BIG difference)
 
All the Best,
 
_Chris
 
Chris Balbach, PE, CEM, BEMP
Vice President of Reasearch and Development
Performance Systems Development of NY, LLC
124 Brindley Street, Suite 4, Ithaca, NY 14850
http://www.psdconsulting.com
ph: (607)-327-1647
 

  _____  

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Ana N.
Sent: Thursday, March 18, 2010 1:40 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Domestic water heater


Hello everyone,
 
I am trying to model  domestic water heaters and need to estimate entering
water temperature. Is there any database or procedure that I can use to
estimate this value? I am doing  spreadsheet calcs using hourly output. I
would appreciate your suggestions and advice. 
 
Thanks
 
Ana


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