A “Door Screening System” To Improve Energy Efficiency Of Domestic Refrigerators
4:55pm on Wednesday 24th August 2011
‘Vidulka Energy Week 2011’ an annual exhibition conducted by the Sri Lanka Sustainable Energy Authority in collaboration with the Ministry of Power and Energy concludes on 14th August 2011 at the BMICH.

The exhibition was aimed at
a.    Popularizing energy and technology
b.    Recognizing and awarding energy endeavors
c.    Increasing awareness
d.    Sharing local and regional experience
e.    Promoting applications in sustainable energy
f.    Creating markets for energy products and services
g.    Networking

The Energy Symposium was conducted parallel to the exhibition basically targeted the energy efficiency, conservation, management of energy, green buildings and renewable energy technology in view of future energy managers, energy conscious nation and for a Greener Sri Lanka.

Wing Commander Chandima Alwis of the Sri Lanka Air Force presented a research paper at the symposium on reduction of energy wasted by domestic refrigerators which is a burning issue since the refrigerator is responsible for the consumsion of 51 % of household electricity. He proved that, “The equipment which is the highest consumer of energy in a house hold and one which must be controlled is the refrigerator.

Further he suggest a cost effective solution of a “Door Screening System” which any user can retrofit to their refrigerators to reduce wastage. The “Door Screen” is a system which creates an enclosed cabin or freezer compartment when the refrigerator’s door is opened. It comparatively reduces the surface area which will be exposed to the atmosphere since door screen operate as a barrier.

This cost effective system reduces energy consumption by 14.5 % of any Refrigerator model in the market. It is pertinent to state that Wing Commander Alwis has a 20 year Sri Lankan Patent right for the “Door Screening System”.







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