[Bldg-sim] Any clues? -- Ceiling Fans in South East Asia
Leonard Sciarra
leonard_sciarra at gensler.com
Thu Jun 25 07:19:19 PDT 2009
There was just an ashrae journal May 2009.
Leonard Sciarra
Senior Associate
+1 (312) 577.6580 Direct
Gensler
11 East Madison Street
Suite 300
Chicago IL 60602
From: bldg-sim-bounces at lists.onebuilding.org
[mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Cramer
Silkworth
Sent: Thursday, June 25, 2009 8:56 AM
To: bldg-sim at lists.onebuilding.org; near_ej at yahoo.com
Cc: vishnu at kalpakrit.com; sanjay at kalpakrit.com
Subject: Re: [Bldg-sim] Any clues? -- Ceiling Fans in South East Asia
Neeraj,
Look into ASHRAE Standard 55, and also the ASHRAE Fundamentals Handbook.
P. Ole Fanger's work is, well, the Standard. And I think Standard 55 is
being updated soon, to better account for air motion effects. I think I
saw something about this in the last issue of the ASHRAE Journal.
http://www.ashrae.org/
-Cramer
J. Cramer Silkworth
Transsolar Inc.
Technical consulting for energy efficiency and user comfort in
buildings. Stuttgart - Munich - New York
134 Spring Street Suite 601
New York, NY 10012
212-219-2255
silkworth at transsolar.com
________________________________
From: \ [mailto:near_ej at yahoo.com]
Sent: Thursday, June 25, 2009 6:14 AM
To: bldg-sim at lists.onebuilding.org
Cc: vishnu at kalpakrit.com; sanjay at kalpakrit.com
Subject: [Bldg-sim] Any clues? -- Ceiling Fans in South East Asia
Dear all,
Is there a (well documented) relationship between convective air flow
against the skin versus the thermal comfort expectation lowered
(theoretical deg. F raised for zone thermostat set-point)?
I am trying to ascertain the cooling benefit of low power high-speed
ceiling fans that are prevalent in South-East Asia. They are especially
useful in better air distribution and heat transfer from the skin of the
occupants via convection. For modeling the strategy is going to be two
fold -- [1] model the actual (low) fan power for the fans in each space
considered, and [2] model a different (higher) thermostat set-point
expectation since thermal comfort cannot be modeled in eQuest. Does this
seem okay? -- Looking for peer validation.
Thanks in advance.
regards,
Neeraj
Neeraj Kapoor
t: +91.99581.70018
Kalpakrit Sustainable Environments Pvt. Ltd.
New Delhi, India
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