message_15535

Sustainable Design
 
Solar refrigeration, air cooling, cooking technologies
In a country that enjoys hot dry summers - would it be practical to build a house with in-built solar ovens, solar fridges and solar air-cooling? I do need some technical ideas as well as educated opinions on feasibility of project. I would also appreciate simple as well as advanced technologies to suit wide range of budgets and uses.
Omeima Beily
Responses
 
Solar refrigeration, air cooling, cooking technologies
I think that would matter mostly on the amount of sun and economic resources. If you have the money (and space), you can have enough photovoltaics to light up an entire village. You should, however, have a back-up system for days with cloud cover and rainy days. Obviously, investing in photovoltaics may not be worth it in a place that is often cloudy even if it is hot and dry. If this project is going to be independent of a central electricity distribution system, you might think about storage capabilities, which may be very expensive. There are, nowadays, new technologies that can convert the DC electricity produced by photovoltaics to AC which is what electricity networks use, which allows for the photovoltaic system to give or take from the larger network when there's lower or higher demand than what is produced. Other than these, to see the feasibility of the project, you would need to know the amount of sun energy on a typical summer day, the amount of electrical energy that your choice of photovoltaics will produce and the amount of energy your typical appliances will use.
Ozgur Basak Alkan
Solar refrigeration, air cooling, cooking technologies
All very good - but does not sound very encouraging. How do I go about the first step of assessing the feasibility of this idea - by myself without having to employ someone. Put in mind that my idea was using solar energy in a small house - not a large projct. Thus my question is: is there any simple method to use solar energy without going onto very technical matters?
Omeima Beily
Solar refrigeration, air cooling, cooking technologies
I think what I've said still applies. Two main points:

-You don't want your fridge to stop when clouds pass by, so you 1.either need some kind of battery system that can store extra electricity that is produced and kick back when demand exceeds need 2. a connection to the larger electricity network that can kick in when needed or, some kind of generator.

-You want to make sure that you can afford or have space for enough photovoltaics to get your system going.

The calculations are not that technical, it's just basic arithmetics but you do need the sun and product data. Unless you are willing to risk the house not having electricity when needed, you might want to take some time to plan how much photovoltaics you need based on what your electricity needs, budget and sun-exposure is like. I guess this is why most people only use sun energy to heat water...

Any other ideas or examples, anyone?
Ozgur Basak Alkan
Solar refrigeration, air cooling, cooking technologies
solar energy ,a source is going through technological revolution,like information technology it is going to touch every body in next decade,field of architecture is going to adopt it in totality,siemens a german company has done alot.we al are part of that revolution,some more concerete information next time.
Dushyant Nathwani
Solar refrigeration, air cooling, cooking technologies
who says the solar refrigeration has to be electric? perhaps you've heard of gas refrigerators. they use heat to produce cold. the heat pump system is very old and has a great longevity and no moving parts. this is the primary reason it was buried. it uses a firebox, copper coils and a solution principally composed of ammonia. if you could focus your sunlight on the converter area long enough to start the process with proper insulation it would seem you could retain enough "cold" to hold through short cloudy periods.
Paul Korkames
Search

Thumbnails
View

This site is adjusted only for landscape mode. Please rotate your device for properly using Archnet.org
We are sorry, we are still working on adjusting Archnet.org for Metro IE. Please use another browser for the best experience with our site.