[Equest-users] Question regarding fuel use
Sharad Kumar
sharadcapricious at gmail.com
Fri Jun 26 15:09:02 PDT 2015
Hi Chris,
I want to add something.
One can check the peak demand of any hour for the month with the help of
following snapshot:
[image: Inline image 1]
This is as per the model files sent yesterday on equest-users. It has peak
fuel demand of 1.45 X 10 ^ 6 Btuh for the first hour of the month of
January (checked from the CSV exported hourly result file).
Also you can check that this comes from the reports tab in the result view
mode.
Similarly you can check the number of zeros in the peak demand from your
present model files as you might have made changes.
The same 1.45 X 10 ^ 6 has been reflected as 1.4 MBTU/HR in PS-E report in
yesterday's model.
So you are right with 5893.5 MBTU= 5.89 X 10 ^ 9 BTU. Here in PS-E report
MBTU means million BTU.
And also the peak end use is nothing but peak demand.I am not that sure
what is the difference but the other reports suggests me that.
Thanks,
Sharad.Kumar
Green Horizon Consulting LLP
Gurgaon.
---------- Forwarded message ----------
> From: Chris Baker <CBaker at cci-alliance.com>
> To: "equest-users at lists.onebuilding.org" <
> equest-users at lists.onebuilding.org>
> Cc:
> Date: Fri, 26 Jun 2015 01:33:37 +0000
> Subject: [Equest-users] Question regarding fuel use
>
> My PS-F reports for fuel use is in Gallons with peak demand in
> Gallons/Minute.
>
>
>
> My PS-E reports for fuel use is in MBTU with peak demand in MBTU/Hr.
>
>
>
> The dropdown menus in the LEED online forms don’t give you the option to
> input fuel capacities in Gallons or MBTU. Hence my confusion.
>
>
> For LEED online
>
> My units of energy = kbtu
>
> My units of demand = MBH
>
>
>
> SO the conversions need to be done as follows for entry to leed online…
>
>
>
> fuel use: *5893.5 MBTU – kbtu*
>
> The conversion for demand: *2.0 MBTU/HR – MBH*
>
>
>
> At first I thought *1 MBTU = 1 million BTU’s ??*
>
>
>
> But looking at my summary reports I see the MBTU fuel use at 5.8935 on the
> graph, then it sais: *(x000,000,000)*
>
>
>
> This implies that 1 MBTU = 1 Billion BTU’s but I’m not sure if this is
> correct?
>
>
>
> Plus, my brain hurts.
>
>
>
> Chris Baker
> CCI CAD Drafter
>
>
>
> ------------------------------
>
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> ---------- Forwarded message ----------
> From: "Bishop, Bill" <bbishop at pathfinder-ea.com>
> To: Chris Baker <CBaker at cci-alliance.com>, "
> equest-users at lists.onebuilding.org" <equest-users at lists.onebuilding.org>
> Cc:
> Date: Fri, 26 Jun 2015 13:20:18 +0000
> Subject: Re: [Equest-users] Question regarding fuel use
>
> Chris,
>
> One thing you can check to help make sense of the conversions is the Fuel
> Meter Properties screen for your liquid fuel.
>
> It shows the thermal value used in the model. For example, the default for
> diesel is 138,700 Btu/gallon, as shown in the screen shot below.
>
>
>
>
>
> Also, compare the PS-E report to BEPS. The quantities should match and you
> have the additional metric of EUI in KBTU/SQFT-YR based on the conditioned
> area shown elsewhere in the reports such as on LS-C. This shows you that
> MBTU on PS-E and BEPS is MMBTU or million BTU versus KBTU which is thousand
> BTU.
>
>
>
> Hope that helps. Have a great weekend!
>
> ~Bill
>
>
>
> *William Bishop, PE, BEMP, BEAP, CEM, LEED AP **|** Pathfinder Engineers
> & Architects LLP*
>
> *Senior Energy Engineer*
>
>
>
>
>
> 134 South Fitzhugh Street Rochester, NY 14608
>
> *T: (585) 698-1956* F: (585) 325-6005
>
> bbishop at pathfinder-ea.com <wbishop at pathfinder-ea.com>
> www.pathfinder-ea.com
>
> [image: http://png-5.findicons.com/files/icons/977/rrze/720/globe.png]Carbon
> Fee and Dividend - simple, effective, and market-based.
>
>
>
> *From:* Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] *On
> Behalf Of *Chris Baker
> *Sent:* Thursday, June 25, 2015 9:34 PM
> *To:* equest-users at lists.onebuilding.org
> *Subject:* [Equest-users] Question regarding fuel use
>
>
>
> My PS-F reports for fuel use is in Gallons with peak demand in
> Gallons/Minute.
>
>
>
> My PS-E reports for fuel use is in MBTU with peak demand in MBTU/Hr.
>
>
>
> The dropdown menus in the LEED online forms don’t give you the option to
> input fuel capacities in Gallons or MBTU. Hence my confusion.
>
>
> For LEED online
>
> My units of energy = kbtu
>
> My units of demand = MBH
>
>
>
> SO the conversions need to be done as follows for entry to leed online…
>
>
>
> fuel use: *5893.5 MBTU – kbtu*
>
> The conversion for demand: *2.0 MBTU/HR – MBH*
>
>
>
> At first I thought *1 MBTU = 1 million BTU’s ??*
>
>
>
> But looking at my summary reports I see the MBTU fuel use at 5.8935 on the
> graph, then it sais: *(x000,000,000)*
>
>
>
> This implies that 1 MBTU = 1 Billion BTU’s but I’m not sure if this is
> correct?
>
>
>
> Plus, my brain hurts.
>
>
>
> Chris Baker
> CCI CAD Drafter
>
>
>
>
> ------------------------------
>
>
> CCI-Alliance Confidentiality notice: This message is intended only for the
> person to whom addressed in the text above and may contain privileged or
> confidential information. If you are not that person, any use of this
> message is prohibited. We request that you notify us by reply to this
> message, and then delete all copies of this message including any contained
> in your reply. Thank you.
>
>
> ---------- Forwarded message ----------
> From: Chris Baker <CBaker at cci-alliance.com>
> To: "Greenberg, Ari" <AGreenberg at brplusa.com>
> Cc: "equest-users at lists.onebuilding.org" <
> equest-users at lists.onebuilding.org>
> Date: Fri, 26 Jun 2015 18:45:31 +0000
> Subject: Re: [Equest-users] Question regarding fuel use
>
> Thank you Ari and Bill!
>
>
>
> I figured MBTU was million BTU. The thing that threw me off was that
> summary report showing 9 zeros! But that was single digits too which means
> both translate to 5.8935 billion BTU’s.
>
>
>
> Or 5,893.5 MBTU like you say!
>
>
>
> See my attached PSE report for Fuel Meter 1. It sais..
>
>
>
> *MBTU 5893*
>
> *MAX MBTU/HR 2.0*
>
> *MON/DY 1/13*
>
> *PEAK ENDUSE 2.0*
>
> *PEAK PCT 100*
>
>
>
> So wouldn’t this translate to 2.0 referring to MBTU/HR and not KBTU/HR?
>
>
>
> It just doesn’t show the units of demand on BEPS or PS-E reports (just
> sais “peak enduse”). But the number (2.0) is the same as max MBTU/HR so I
> assumed that to be the unit of demand.
>
>
>
> I should note that this project is in Alaska so the fuel usage in the
> baseline is higher than normal. The models go through -40 to -50
> temperatures at one point for heating.
>
>
>
> So it definitely puts a big demand on the PSZ systems.
>
>
>
> Fortunately, I already had my “fuel meter type” to fuel-oil in both models
> and my BTU/unit is already good to go also (like Bill showed in his screen
> capture).
>
>
>
> -Chris
>
>
>
> *From:* Greenberg, Ari [mailto:AGreenberg at brplusa.com]
> *Sent:* Friday, June 26, 2015 5:13 AM
> *To:* Chris Baker
> *Subject:* RE: Question regarding fuel use
>
>
>
> Hi Chris –
>
>
>
> Not sure if anyone responded yet, but I’ll give it a shot:
>
>
>
> MBTU is *million *BTU, so 5893.5 MBTU = 5,893.5 million BTU or 5.8935
> billion Btu (hence the graph). If LEED requires kBtu = 1,000 Btu, divide
> MBTU by 1,000.
>
> The brain-hurting one is that for demand MBH is kBtu/hr, not MBTU/hr (in
> this case old latin M = 1,000 thing, not M = million) – not quite sure
> where you got 2.0 MBTU/HR = MBH, it should be 1 MBtu/hr = 1000 MBH.
>
>
>
> By the way, it is possible to choose your own units for your meters in the
> “Basic Specifications” of the fuel meter window. The energy and demand
> “label” numbers correspond to the conversion table in the LV-M report. For
> example 64 and 65 are KBTU/HR and KBTU, respectively – you would just have
> to input the correct Btu/unit (in that case 1,000).
>
>
>
> Hope this helps,
>
> Ari
>
>
>
>
>
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>
>
> *Ari Greenberg HVAC Engineer*
>
> *Bard, Rao + Athanas Consulting Engineers, LLC*
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