Re: [EnergyPlus_Support] Cooling Load Calculation

["Sajal Chowdhury sajal_c@xxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx>]

Dear Arq Carlos Krebs,

Thank you so much but my question is that what is calculated design load?

is this calculation for per second or per hour???

Basically I want to calculated the per hour cooling load for a fixed space and I found  Calculated Design Load [W] so can you explain what is that? Thank you so much again.

 

Sajal Chowdhury
B.Arch.(BUET), M.Arch.(BUET), M.Eng.(HU,Japan)C.

On Tuesday, June 21, 2016 5:04 PM, "Carlos Krebs clmkrebs@xxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx> wrote:

 

Dear Sajal,

I imagine you're looking at the wrong thing ?

In the early part of his "Table.HTML" there is a table with the title "End Uses.â?? This table is divided into some columns: Electricity [kWh], Natural Gas [kWh] Additional Fuel [kWh] District Cooling [kWh] District Heating [kWh] Water [m3], according to the source of energy used.

If so, just watch the values for "Heating", "Cooling" and "Fans" and convert them to GJ using the ratio 1 [kWh] = 0.0036 x [GJ / h].

Otherwise, based on Input/Output Reference Guide, it appears that your file is set to IDF kWh â??ClassList" > "OutputControl: Table: Style". There is a possibility that the data are provided in:

- JtoKWH - Joules converted into kWh (1 / 3,600,000)

- JtoMJ - Joules converted into megajoules (1 / 1,000,000)

- JtoGJ - Joules converted into gigajoules (1 / 1,000,000,000)

- InchPound - convert all annual, monthly, economics and timebins tabular values â??â??to common Inch-Pound equivalent

Remember: the current options are limited to just how the energy is being Reported.

God job,

Arq Carlos Krebs

Me Arquitetura e Urbanismo

PROGRAU/FAUrb/UFPEL

LEED® Accredited Professional

Auditor Interno ISO 14.001

Consultor de Eficiência

Energética em Edificações

On Jun 21, 2016, at 7:32 AM, Sajal Chowdhury sajal_c@xxxxxxxxx [EnergyPlus_Support] <EnergyPlus_Support@xxxxxxxxxxxxxxx> wrote:

Dear All,

I calculated the following by using ILAS for 1 year.

Report: HVAC Sizing Summary

For: Entire Facility

Zone Cooling

	Calculated Design Load [W]	User Design Load [W]	User Design Load per Area [W/m2]	Calculated Design Air Flow [m3/s]	User Design Air Flow [m3/s]	Design Day Name	Date/Time Of Peak	Thermostat Setpoint Temperature at Peak Load [C]	Indoor Temperature at Peak Load [C]	Indoor Humidity Ratio at Peak Load [kgWater/kgAir]	Outdoor Temperature at Peak Load [C]	Outdoor Humidity Ratio at Peak Load [kgWater/kgAir]
PRODUCTION ZONE	39246.61	39246.61	11.68	2.337	2.337	SIZINGPERIOD	7/26 14:00:00	0.00	26.70	0.00770	30.00	0.02274

Here, Calculated Design Cooling Load [W]= 39246.61 W .. is this calculation for per second ??? and if I want to convert this to GJ per Hour how can I do this?? Thank you. 

Best Wishes, 

 

Sajal Chowdhury 
B.Arch.(BUET), M.Arch.(BUET), M.Eng.(HU,Japan)C.

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Posted by: Sajal Chowdhury <sajal_c@xxxxxxxxx>

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