Project notes for LCA assessments in an atria.

This model was orignally created within the DL-e project
(Daylight Europe) in the early 2000s. It is focused on
life cycle assessments (LCA) within an atria portion of
a building (see description at end) in Switzerland. 

The LCA data is held in an eia.bcf file and is based on
research by Stephan Citherlet (stephane.citherlet@heig-vd.ch).

The bcf file is matched to the Materials and MLC databases
for this model. It is a subset of the larger set of materials
and constructions normally distributed with ESP-r and thus
would need to be adapated for use in other models.

The model includes a number of floors representing and
atria and a flow network is used to support air flow
assessments. There are controls applied to the flow
but there is no heating or cooling applied to the
spaces. 

LCA assessments can be carried out on the model via the eco
module of ESP-r.  In the operating system change to the
folder with the LCA_atrium.cfg file. Start eco as follows:

  eco -file LCA_atrium.cfg

The main choices are:
Eco main menu:
  a problem: EOS_atrium.cfg           2 reporting level >> summary     
    path: ./                          4 results >> include loss        
  b BCF: UNKNOWN                      5 units:  [MJ]  - [kg] - [Imp]   
    ---------Approach-----------        -------------------------------
  c approach >> project based         * calculation N/A                
  d zone: UNKNOWN                       -------------------------------
                                      X export results to file         
    ----------Options-------------    ? help                           
  1 Calculation level >> Surface      - quit module            

After the model loads specify the 'bcf' file eia.bcf
Then choose one or more of the zones in the model.

There are a number of different assessments that can be
carried out - toggle the approach menu item.

For most users keep the reporting level to summary.
Selecting the calculation option will display to the
text feedback. The X option will re-generate the report
into a user nominated file.

Note that the bcf file is tightly linked to the local MLC
and optical databases e.g. there are matching entity names.    

EOS building
============
The headquarters of Energie Ouest Suisse (EOS), a major electricity
producing company in Switzerland had been widely monitored on
the thermal and lighting side during the European project "Daylighting
Design of European Building". 

The building is characterised by two main daylighting features:

- External lightshelves, installed on the South Western facade
above a row of window office rooms.
- A central atrium, providing daylight to the circulation zone,
together with a secondary window located at the back of each office room.

Here, only the atrium is modelled to present the room acoustics
assessment that are now available in ESP-r, but it can also be
used for thermal and lighting simulation.

The EOS building uses a Superglass glazing for the facade windows with
a U-value of 0.77 W/m2K. It is made of a double clear float glass
with 2 low emissivity coatings tight in the gas gap. The internal
windows (between the office and the atrium) are double clear float
glass filled with air. There is no mechanical ventilation. The building
is naturally ventilated through the atrium's roof and is simulated with
a mass flow network.
