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RE: [EnergyPlus_Support] Question on weather data for Lisbon, Portugal





I do not think that this is a problem with the weather file.
 
For example, Kuching (Malaysia)  is North of the equator, but the coolest average ground temperature is in June, because the Borneo Island has land mass South of the equator, and follows the Australia Winter.  The weather file showed this property.
 
Lisbon is facing the sea in the West.  There may be high ground in the Eastery direction.  ODT is highest in the afternoon, and may also contribute to the higher heating load.
 
The solar beam values in the .epw may also show that the values do not rise as fast in the morning, if there are obstructions on the grond at sun rise, as you have mentioned due to  topographical feature.

 Dr. Li  

 

To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: carlosochoam@xxxxxxxxx
Date: Tue, 24 Jul 2012 11:28:16 +0000
Subject: [EnergyPlus_Support] Question on weather data for Lisbon, Portugal

 
Dear all,

We are simulating a module with "normal" materials, glazing and no shading for a series of European locations, including Lisbon. Heating and cooling are provided using the Ideal Loads system with fixed temperatures and schedules.

For Lisbon, we have observed that the prototype facing West has significantly lower energy consumption than the one facing East. However, for the rest of European locations, energy consumption at East and West is very similar.

We are using the INETI weather file available at the EnergyPlus website.

Could anybody explain if this is produced by some topographical feature, an issue with the weather file, or something we might have overlooked?

Thanks in advance,

Carlos




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