[Bldg-sim] Bldg-sim Digest, Vol 21, Issue 15
kevin kyte
k1kyte at gmail.com
Thu Aug 20 08:24:17 PDT 2009
The savings on pilot lights is definitely noteworthy. If your design
furnace does not have a pilot light that should be zero'd out.
On Wed, Aug 19, 2009 at 3:02 PM, <bldg-sim-request at lists.onebuilding.org>wrote:
> Send Bldg-sim mailing list submissions to
> bldg-sim at lists.onebuilding.org
>
> To subscribe or unsubscribe via the World Wide Web, visit
> http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org
> or, via email, send a message with subject or body 'help' to
> bldg-sim-request at lists.onebuilding.org
>
> You can reach the person managing the list at
> bldg-sim-owner at lists.onebuilding.org
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Bldg-sim digest..."
>
> Today's Topics:
>
> 1. Pilot Lights and IIDs for Furnaces (Sam Mason)
> 2. Re: Dimming Lights ( IES-VE) (Guin, Michael)
> 3. Cogeneration/Generator Modeling (Alexander Czank)
>
>
> ---------- Forwarded message ----------
> From: "Sam Mason" <sam.mason at atelierten.com>
> To: <bldg-sim at lists.onebuilding.org>
> Date: Tue, 18 Aug 2009 13:41:46 -0700
> Subject: [Bldg-sim] Pilot Lights and IIDs for Furnaces
> All,
> I am modeling a packaged single zone system with furnace and DX cooling.
> The default for the auxiliary load on the furnace is 800 Btu/hr, which I
> assume is a pilot light load.
>
> Under table 6.8.1E, the standard says, "Units must also include an
> interrupted or intermittent ignition device (IID)." How do go about
> modeling the IID or is the energy use insignificant compared to the
> furnace energy use?
>
> Sam
>
> --
> Sam Mason
> Environmental Designer
>
> Atelier Ten
> Consulting Environmental Designers
> 45 East 20th Street, 4th Floor
> New York, NY 10003
> T +1 (212) 254-4500 x221
> F +1 (212) 254-1259
> sam.mason at atelierten.com
> www.atelierten.com
>
>
>
>
>
> ---------- Forwarded message ----------
> From: "Guin, Michael" <Michael.Guin at WSPGroup.com>
> To: "Rashmi Sonal" <sonal at burohappold.com>, "Hammad, Fawwaz" <
> Fawwaz.Hammad at atkinsglobal.com>, <bldg-sim at lists.onebuilding.org>
> Date: Wed, 19 Aug 2009 08:49:37 +0100
> Subject: Re: [Bldg-sim] Dimming Lights ( IES-VE)
>
> Hi,
>
>
>
> Just a detail to add,
>
>
>
> If you have any layer turn off, turn it on for the radiance calculation and
> once completed turn it back on for the Apache calc, otherwise you ll see an
> error message.
>
>
>
> Regards
>
> Michael
>
>
> ------------------------------
>
> *From:* bldg-sim-bounces at lists.onebuilding.org [mailto:
> bldg-sim-bounces at lists.onebuilding.org] *On Behalf Of *Rashmi Sonal
> *Sent:* 17 August 2009 19:41
> *To:* Hammad, Fawwaz; bldg-sim at lists.onebuilding.org
> *Subject:* Re: [Bldg-sim] Dimming Lights ( IES-VE)
>
>
>
> In Radiance (in the appropriate rooms):
>
> 1. Set appropriate properties for the glazing, walls, ceilings and floors.
> Take care with the Radiance glazing parameter 'transmissivity', which is not
> the same as transmittance. Radiance provides a utility for converting
> between the two. The transmittance should be set to match the normal
> incidence light transmittance from the glazing manufacturer. Apply a factor
> for the frame (Radiance doesn't do this automatically).
>
> 2. Create daylight sensors.
>
> 3. Run the 'Apache' daylight simulation to create the illuminance (.ill)
> file.
>
>
>
> In Apache View:
>
> 1. Set up an appropriate formula profile to control electrical lighting as
> a function of working plane daylight illuminance e1 (note that e2 is not
> currently available). Create weekly or annual profiles using this daily
> profile, as appropriate. An example profile is given in the ApPro User Guide
> (and other manuals):
>
> ramp(e1,0,1,500,.4) a formula suitable for applying as a dimming profile
> controlling lighting gain as a function of available daylight. It modulates
> the lighting gain as a function of the illuminance on the working plane, e1.
> The value of the profile falls from 1 at zero illuminance to 0.4 at
> illuminance 500 lux, thereafter remaining constant at this value. The value
> 0.4 (which you should set as appropriate) represents the fraction of the
> room’s lighting gain which is not subject to daylight control. The
> illuminance e1 must be computed using the link to Radiance.
>
> Use different formulae as necessary to cater for conditions in different
> rooms.
>
> 2. Apply this profile as a dimming profile in the room or rooms.
>
> 3. Run ApacheSim with the Radiance link turned on.
>
> 4. View lighting gains (turn on the 'sensible internal gains breakdown'
> output group in the ApacheSim dialog) and e1 values in Vista.
>
>
>
>
>
> Rashmi Sonal, LEED AP
>
> Environmental Designer
> Computational and Simulation Analysis (CoSA)
> www.burohappold.com
>
> Tel: (+1) 212 616 0285
>
> This transmission is confidential and intended solely for the person or
> organization to whom it is correctly addressed. If you are not the intended
> recipient of this transmission, you should not take any action in reliance
> on it. Further, this transmission may contain confidential design and other
> information owned by Buro Happold Consulting Engineers PC. You should not
> copy, distribute, use, offer for sale or hire such information or in any way
> infringe the design and intellectual property rights of Buro Happold
> Consulting Engineers PC. It is intended that communication by email from
> Buro Happold Consulting Engineers PC or its employees is limited to
> communications connected to the services provided by Buro Happold Consulting
> Engineers PC. Buro Happold Consulting Engineers PC accepts no liability for
> any communications not connected to the services it provides. Computer
> viruses may be transmitted or downloaded onto your computer system via email
> communication. It is the recipient's responsibility to take any action
> necessary to prevent computer viruses being transmitted in this way.
> Accordingly, Buro Happold Consulting Engineers PC disclaims
> ------------------------------
>
> *From:* bldg-sim-bounces at lists.onebuilding.org [mailto:
> bldg-sim-bounces at lists.onebuilding.org] *On Behalf Of *Hammad, Fawwaz
> *Sent:* Sunday, August 16, 2009 3:32 AM
> *To:* bldg-sim at lists.onebuilding.org
> *Subject:* [Bldg-sim] Dimming Lights ( IES-VE)
>
>
>
> Dear all,
>
> Does anyone have an idea to place a dimming light(s) in an IES-VE model?
> The artificial light has to supplement the available day lighting to achieve
> (500 Lux ) in the space. The dimming light has to be linked to the Apache
> Sim, so that the light electricity consumption will show up in the
> simulation results. Your step-by-step guidance is highly appreciated. Many
> thanks
>
>
>
> Best Regards,
>
>
>
> *Fawwaz Hammad*
>
>
>
>
> This email and any attached files are confidential and copyright protected.
> If you are not the addressee, any dissemination of this communication is
> strictly prohibited. Unless otherwise expressly agreed in writing, nothing
> stated in this communication shall be legally binding.
>
> The ultimate parent company of the Atkins Group is WS Atkins plc.
> Registered in England No. 1885586. Registered Office Woodcote Grove, Ashley
> Road, Epsom, Surrey KT18 5BW. A list of wholly owned Atkins Group companies
> registered in the United Kingdom and locations around the world can be found
> at http://www.atkinsglobal.com/terms_and_conditions/index.aspx.
>
> Consider the environment. Please don't print this e-mail unless you really
> need to.
>
> This message has been scanned by MailController<http://www.mailcontroller.altohiway.com/>
> .
>
> Click here<https://www.mailcontroller.altohiway.com/sr/jJUg1RblhuDTndxI!oX7UorSN8tERoQyfYbg1oo5DPniQVShICVWKVYuogVI+tkh0i+lSpHggLssWPB8dn7asg==>to report this email as spam.
>
>
> ---------- Forwarded message ----------
> From: Alexander Czank <aczank at r3energy.com>
> To: equest-users at lists.onebuilding.org, bldg-sim at lists.onebuilding.org
> Date: Wed, 19 Aug 2009 10:09:08 -0400
> Subject: [Bldg-sim] Cogeneration/Generator Modeling
>
> Hello to everyone once again,
>
>
>
> I posed a question similar to this and Otto S. was kind enough to steer me
> in the right direction but I am looking for a bit more assistance if anyone
> if familiar with cogeneration or just generator modeling in general. I need
> to add a 75 kW co gen unit as an improvement, I was told that this is to be
> modeled in a copy of my file and then compared to from the original. So I
> went ahead and created a gas fired generator and added a sale meter and all
> the appropriate rates, connected the heat output to the DHW loop, and the
> model acts as if there is nothing there. My original and my cogen building
> look almost identical in sim outputs.
>
>
>
> Any help would be greatly appreciated. Below I’m pasting my BDL output that
> relates to this
>
>
>
>
>
> *14237* $ *********************************************************
>
> *14238* $ ** **
>
> *14239* $ ** Electric & Fuel Meters **
>
> *14240* $ ** **
>
> *14241* $ *********************************************************
>
> *14242*
>
> *14243* $ ---------------------------------------------------------
>
> *14244* $ Electric Meters
>
> *14245* $ ---------------------------------------------------------
>
> *14246*
>
> *14247* "Electric Meter" = ELEC-METER
>
> *14248* TYPE = UTILITY
>
> *14249* ..
>
> *14250* "Cogen Meter" = ELEC-METER
>
> *14251* TYPE = ELECTRIC-SALE
>
> *14252* DEM-UNIT-INDEX = 1
>
> *14253* COGEN-TRACK-MODE = MAX-OUTPUT
>
> *14254* COGEN-TRACK-SCH = "Cust 1 Elec Season Sched"
>
> *14255* ..
>
> *14256*
>
> *14257*
>
> *14258* $ ---------------------------------------------------------
>
> *14259* $ Fuel Meters
>
> *14260* $ ---------------------------------------------------------
>
> *14261*
>
> *14262* "Nat. Gas Meter" = FUEL-METER
>
> *14263* TYPE = NATURAL-GAS
>
> *14264* ..
>
> *14265* "Oil Meter" = FUEL-METER
>
> *14266* TYPE = FUEL-OIL
>
> *14267* ..
>
> *14268*
>
> *14269*
>
> *14270* $ ---------------------------------------------------------
>
> *14271* $ Master Meters
>
> *14272* $ ---------------------------------------------------------
>
> *14273*
>
> *14274* "MASTER-METERS 1" = MASTER-METERS
>
> *14275* MSTR-ELEC-METER = "Electric Meter"
>
> *14276* MSTR-FUEL-METER = "Nat. Gas Meter"
>
> *14277* SOURCE-FUEL-METE = "Oil Meter"
>
> *14278* HEAT-FUEL-METER = "Oil Meter"
>
> *14279* SUPP-FUEL-METER = "Nat. Gas Meter"
>
> *14280* DHW-FUEL-METER = "Oil Meter"
>
> *14281* ..
>
> *14389* $ ---------------------------------------------------------
>
> *14390* $ Electric Generators
>
> *14391* $ ---------------------------------------------------------
>
> *14392*
>
> *14393* "Cogeneration" = ELEC-GENERATOR
>
> *14394* TYPE = GAS-TURBINE-GENERATOR
>
> *14395* CAPACITY = 65
>
> *14396* MAX-RATIO = 1.15
>
> *14397* HEAT-INPUT-RATIO = 3.22
>
> *14398* ELEC-METER = "Cogen Meter"
>
> *14399* EXH-LOOP = "DHW Plant 1 Res Loop (1)"
>
> *14400* EXH-RCVR = 0.67
>
> *14401* ..
>
> * 1 * $LIBRARY-ENTRY GasTurbine-HIR-fPLR CURVE-FIT
> GasTurbine Gen
>
> * 2 * TYPE=QUADRATIC COEF=( 0.44297900, 0.39740000,
> 0.15696210)
>
> * 3 * INPUT-TYPE COEFFICIENTS ..
>
> * 1 * $LIBRARY-ENTRY GasTurbine-Exh-fPLR CURVE-FIT
> GasTurbine Gen
>
> * 2 * TYPE=QUADRATIC COEF=( 0.29562600, 0.49301940,
> 0.21135480)
>
> * 3 * INPUT-TYPE COEFFICIENTS ..
>
> * 1 * $LIBRARY-ENTRY GasTurbine-Cap-fPLR CURVE-FIT
> GasTurbine Gen
>
> * 2 * TYPE=LINEAR COEF=( 1.24000000,-0.00410000)
>
> * 3 * INPUT-TYPE COEFFICIENTS ..
>
> *14402*
>
> *15812*
>
> *15813* $ *********************************************************
>
> *15814* $ ** **
>
> *15815* $ ** Metering & Misc HVAC **
>
> *15816* $ ** **
>
> *15817* $ *********************************************************
>
> *15818*
>
> *15819* $ ---------------------------------------------------------
>
> *15820* $ Equipment Controls
>
> *15821* $ ---------------------------------------------------------
>
> *15822*
>
> *15823*
>
> *15824*
>
> *15825* $ ---------------------------------------------------------
>
> *15826* $ Load Management
>
> *15827* $ ---------------------------------------------------------
>
> *15828*
>
> *15829*
>
> *15830*
>
> *15831* $ *********************************************************
>
> *15832* $ ** **
>
> *15833* $ ** Utility Rates **
>
> *15834* $ ** **
>
> *15835* $ *********************************************************
>
> *15836*
>
> *15837* $ ---------------------------------------------------------
>
> *15838* $ Ratchets
>
> *15839* $ ---------------------------------------------------------
>
> *15840*
>
> *15841*
>
> *15842*
>
> *15843* $ ---------------------------------------------------------
>
> *15844* $ Block Charges
>
> *15845* $ ---------------------------------------------------------
>
> *15846*
>
> *15847* "Cust 1 Elec Uniform Blk1" = BLOCK-CHARGE
>
> *15848* BLOCK-SCH = "Cust 1 Elec Season Sched"
>
> *15849* SCH-FLAG = 1
>
> *15850* BLOCK1-TYPE = ENERGY
>
> *15851* BLOCKS-1 = ( 1 )
>
> *15852* COSTS-1 = ( 0.1613 )
>
> *15853* ..
>
> *15854* "Custom Gas Uniform Blk1" = BLOCK-CHARGE
>
> *15855* BLOCK-SCH = "Custom Gas Season Sched"
>
> *15856* SCH-FLAG = 1
>
> *15857* BLOCK1-TYPE = ENERGY
>
> *15858* BLOCKS-1 = ( 1 )
>
> *15859* COSTS-1 = ( 1.36 )
>
> *15860* ..
>
> *15861*
>
> *15862*
>
> *15863* $ ---------------------------------------------------------
>
> *15864* $ Utility Rates
>
> *15865* $ ---------------------------------------------------------
>
> *15866*
>
> *15867* "Custom Elec Rate" = UTILITY-RATE
>
> *15868* TYPE = ELECTRICITY
>
> *15869* ELEC-METERS = ( "Electric Meter" )
>
> *15870* ENERGY-CHG = 0.24
>
> *15871* BLOCK-CHARGES = ( "Cust 1 Elec Uniform Blk1" )
>
> *15872* ..
>
> *15873* "Custom Gas Rate" = UTILITY-RATE
>
> *15874* TYPE = NATURAL-GAS
>
> *15875* FUEL-METERS = ( "Nat. Gas Meter" )
>
> *15876* ENERGY-CHG = 1.95
>
> *15877* BLOCK-CHARGES = ( "Custom Gas Uniform Blk1" )
>
> *15878* ..
>
> *15879* "Custom Oil Rate" = UTILITY-RATE
>
> *15880* TYPE = FUEL-OIL
>
> *15881* FUEL-METERS = ( "Oil Meter" )
>
> *15882* ENERGY-CHG = 2.29
>
> *15883* ..
>
> *15884* "Electric Sale Rate" = UTILITY-RATE
>
> *15885* TYPE = ELECTRIC-SALE
>
> *15886* ENERGY-CHG = 0
>
> *15887* ELEC-SALE-METERS = ( "Cogen Meter" )
>
> *15888* ..
>
> *15889*
>
>
>
> Thank you,
>
>
>
> *Alexander Czank*
>
> Energy Systems Analyst
>
>
>
> R3 Energy Management Audit & Review LLC
>
> Office: 914.909.3940 x107
>
> Cell: 914.218.7779
>
> Fax: 914.909.3941
>
>
>
> *Confidentiality Note*: The information contained in this email and
> document's attached are for the exclusive use of the addressee and may
> contain confidential and privileged information. If you have received this
> communication in error, please advise the sender by reply email and
> immediately delete this message and any attachments without copying or
> disclosing the contents. Thank you
>
>
>
> ü Please consider the environment before printing this e-mail
>
>
>
> _______________________________________________
> Bldg-sim mailing list
> Bldg-sim at lists.onebuilding.org
> http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.onebuilding.org/pipermail/bldg-sim-onebuilding.org/attachments/20090820/0bcb17d9/attachment.htm>
More information about the Bldg-sim
mailing list