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Passive
Energy Project
In order to promote green energy alternatives, a geothermal
project was proposed by IRGWF. The title of the project was
"Underground pipe canals as sources of cold air ".
A summary of the project is presented below.
Objective: Introduction of a green energy as a source of
cooling air
Summary:
In order to cool down the air temperature in the compressor
room of Zarin Flour Mills, an air conditioner unit was used. The
unit was running 24 hrs a day to maintain the room temperature
within the desired range and to cool down the compressor.
It was suggested to connect the available underground canals
to the compressor room, so that the cool air from the canals
enters the room. The air-conditioner unit used 2860 W.
There were 200 m of underground canals (cross-sectional area
: 0.8m x 1.2 m) in the factory. By connecting these canals to
the compressor room, the air conditioner unit was replaced by a
fan (wattage = 370 W) to pull in the air.
The preliminary results of this project were positive. During
summer (maximum ambient temperature = 38 c) the average room
temperature was about 30 c. In this project cooling capacity of
Earth is used as a green alternative to conventional electrical
energy
Period of Project: 60 days, March-April, 1999
Project Manager: S. Sagheb, M.A.Sc. in Mechanical
Engineering
Project Sponsor: Iranian Green Wave Front
Project Location: Zarin Flour Mills, km.27, Ghoochan
Road, Mashhad, Iran.
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