[bldg-sim] Building Pre-Heating Question

[Jason Glazer]

Jon,

I have looked into that issue and found a bunch of good 
references mostly focused on cooling.  Hope this helps.

Jason

===========================

Anderson, I., Heat Storage in Building Thermal Mass: A 
Parametric Study, ASHRAE Transactions, 1992, paper AN-92-8-
3.  

Braun, J.E., Reducing Energy Costs and Peak Electrical 
Demand Through Optimal Control of Building Thermal Storage, 
ASHRAE Transactions, 1990, paper SL-90-16-2.  

Braun, J.E., Montgomery, K.W., and Chaturvedi, N., 
Evaluating the Performance of Building Thermal Mass Control 
Strategies, 2001. International Journal of Heating, 
Ventilating, Air-Conditioning and Refrigeration Research, 
Vol. 7, No. 4.  

Conniff, J.P., Strategies for Reducing Peak Air-
Conditioning Loads by Using Heat Storage in the Building 
Structure, ASHRAE Transactions, 1991, paper NY-91-10-2.  

Snyder, M.E. and Newell, T.A., Cooling Cost Minimization 
Using Building Mass for Thermal Storage, ASHRAE 
Transactions 1990, paper SL-90-14-3.  

On 6 Oct 2005 at 11:48, Jon Maxwell wrote:

> Does anyone have experimental or simulation case study
> experience on using a building's inherent thermal mass for
> energy storage?
> 
> Specifically, we have a client that manages a
> conventionally-constructed 17-story 30-year old office
> building and a conventional chiller/boiler/VAV system.  In
> the winter, they are considering setting the temperature
> setpoint very high for a few hours before occupancy to heat
> up the concrete & furnishings, then coasting later in the
> day.  The system would have sensors placed deep in the
> concrete to monitor temperature and help optimize the
> controls.
> 
> The approach might use more energy (lower system temperature
> differences, higher average inside temperature), or it might
> use less (running systems at full load, lower average inside
> temperature because of radiant comfort). The manager's
> primary goal is to increase tenant comfort.
> 
> In the summer they could do the reverse.  The building is
> located in the Pacific Northwest U.S.  Any results would be
> welcome, but a case study from a similar climate would be
> ideal.
> 
> Thank you in advance.
> 
> Jon Maxwell, PE
> Aspen Systems Corporation
> jmaxwell at aspensys.com
> (610) 604-4604
> 
> 
> ----- Original Message ----- 
> From: "Karasaki, Liesl" <LKarasaki at aspensys.com>
> To: "Maxwell, Jon" <JMaxwell at aspensys.com>; "Kuhl, Lee"
> <lkuhl at aspensys.com>; "Waintroob, Dan"
> <DWaintroob at aspensys.com>; "Miller, Will"
> <WMiller at aspensys.com> Sent: Tuesday, October 04, 2005 1:13
> PM Subject: RE: Request for information
> 
> 
> Jon,
> That would be great.  Apparently the core of the building is
> drilled (on the floors mentioned) with inserted sensors tied
> to HVAC systems which determine mass temperature to assist
> in preventing the core of the building from dropping below
> specific set points.  I gather that when operating correctly
> this would trim warm up times & keep the building
> heat/cooling systems running more efficiently.
> 
> Liesl
> 
> -----Original Message-----
> From: Jon Maxwell [mailto:jmaxwell at aspensys.com]
> Sent: Tuesday, October 04, 2005 9:44 AM
> To: Karasaki, Liesl; Kuhl, Lee; Waintroob, Dan; Miller, Will
> Subject: Re: Request for information
> 
> I have no knowledge of that at all.  I could post a query to
> a building simulation site user group I am a member of if
> you would like.  If so though, what do you mean by drilling
> into the foundation on the 6th & 13th floors?
> 
> ----- Original Message ----- 
> From: "Karasaki, Liesl" <LKarasaki at aspensys.com>
> To: "Maxwell, Jon" <JMaxwell at aspensys.com>; "Kuhl, Lee"
> <lkuhl at aspensys.com>; "Waintroob, Dan"
> <DWaintroob at aspensys.com>; "Miller, Will"
> <WMiller at aspensys.com> Sent: Tuesday, October 04, 2005 12:15
> PM Subject: Request for information
> 
> 
> Hi I am looking technical examples or resources for,
> "building mass thermal temperature control." I have a large
> commercial project wanting to core drill into the building
> foundation on the 6th and 13th floor of a 17 story high
> rise. The building was built in the early 70's. Using this
> mass thermal temperature the building owner would like to
> try to reduce temperature swings, resulting in improved
> tenant comfort and reduced energy usage.
> 
> 
> 
> Has Aspen had any experience with this approach?  Any
> assistance you could provide would be greatly appreciated.
> 
> 
> 
> Best regards,
> 
> 
> 
> Liesl Karasaki
> 
> Large Commercial Accounts
> 
> Building Efficiency Program
> 
> Direct: 503/243.1712
> 
> Fax: 503/243.1154
> 
> www.energytrust.org
> 
> 
> 
> 
> 
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=========================================================
Jason Glazer, P.E.  jglazer AT gard DOT com  847 698 5686
GARD Analytics - http://www.gard.com/
1028 Busse Highway, Park Ridge, IL 60068
Building Energy Simulation and Analysis
Admin of BLDG-SIM list for building simulation users



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