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Topic: Solar greenhouse (technical)

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	Your Home Technical Manual - 4.3 Solar Hot Water
		A solar water heater can provide between 50 percent and 90 percent of your total hot water requirements, depending on the climate and the model of heater.
		Solar collectors trap and use heat from the sun to raise the temperature of water.
		For maximum efficiency, ensure that the solar collectors are not shaded by trees or nearby buildings, particularly in winter when the sun is low in the sky.
	www.greenhouse.gov.au /yourhome/technical/fs43.htm (2146 words)

	Greenhouse - Wikipedia, the free encyclopedia
		The glass used for a greenhouse works as a selective transmission medium for different spectral frequencies, and its effect is to trap energy within the greenhouse, which heats both the plants and the ground inside it.
		Greenhouses are often used for growing flowers, vegetables, fruits, and tobacco plants.
		Greenhouses are increasingly important in the food supply of high latitude countries.
	en.wikipedia.org /wiki/Greenhouse (522 words)

	Solar Greenhouses
		Solar greenhouses are designed not only to collect solar energy during sunny days but also to store heat for use at night or during periods when it is cloudy.
		Solar greenhouse with solar curtains, water wall, and water heat storage on the north wall (2).
		Solar chimneys are passive solar collectors attached to the highest point on the greenhouse and are combined with vents or openings on either end of the greenhouse.
	www.attra.org /attra-pub/solar-gh.html (6278 words)

	U.S. Global Change Research Information Office
		Solar UV radiation, unlike that in the visible and infrared spectrum, seldom reaches the surface of the Earth since it is absorbed by the atmosphere.
		One consequence of these solar perturbations is to complicate the detection of human-induced depletion of the protective ozone layer; another may be to perturb the temperature at the Earth's surface, through connections that link the upper and lower parts of the atmosphere.
		Looking ahead, were solar changes limited to what has been measured in the last fifteen years, future changes in the Sun's total radiation would have only a negligible effect on the temperature increases of 1 to 3°C that are now projected in IPCC models for the end of the next century.
	www.gcrio.org /CONSEQUENCES/winter96/sunclimate.html (5971 words)

	Solar greenhouse (technical) - Wikipedia, the free encyclopedia
		A solar greenhouse works by letting in solar radiation and trapping the energy from that radiation to increase and maintain the internal temperature above that of the temperature outside - see greenhouse effect for details.
		The most basic aspects of greenhouse design are: first, to thermodynamically isolate the system to stop convection and conduction from equalizing the temperature with the ambient temperature; and second, to provide a covering that is transparent to incoming solar radiation to provide the heat source for the greenhouse.
		The soil mass at the base of the greenhouse acts to absorb a portion of the available heat during the solar period of the day for later use as a night time radiant heat source.
	en.wikipedia.org /wiki/Solar_greenhouse_(technical) (621 words)

	Designing and Building a Solar Greenhouse or Sunspace
		The optimum orientation for solar sunspace and solar greenhouse glazing is due south, though solar sunspace and solar greenhouse perform well when the glazing faces within about 25º of true south (not magnetic south).
		Solar greenhouses will need direct light to plants and generally cannot use this option, but many solar sunspaces could accomplish their designed purpose with a solid roof and overhangs.
		A more finished solar sunspace or solar greenhouse with quality wood or aluminum framing and higher quality glazing will be more expensive and costs may be similar to the costs of any other type of home addition.
	www.healthgoods.com /Education/Healthy_Home_Information/Building_Design_and_Construction/design_solar_greenhouse.htm (7188 words)

	Used Greenhouse
		The term ''greenhouse effect'' may be used to refer to two different things in common parlance: the natural greenhouse effect, which refers to the greenhouse effect which occurs naturally on earth, and the enhanced (anthropogenic) greenhouse effect, which results from human activities (global warming).
		The remaining 70% of the incoming solar radiation is absorbed: 16% by the atmosphere (including the almost complete absorption of shortwave ultraviolet over most areas by the stratospheric ozone layer); 3% by clouds; and 51% by the land and oceans.
		Greenhouse gases (GHG) are gaseous components of the atmosphere that contribute to the greenhouse effect.
	www.artistbooking.com /trips/211/used-greenhouse.html (1505 words)

	Energy: Solar (Site not responding. Last check: 2007-09-07)
		Solar greenhouses, on the other hand, are heated primarily by the sun, and are often attached to houses to provide home heating as well.
		Solar water heaters for domestic hot water are becoming more widely used in the industrialized nations as a response to the "energy crisis".
		This means that while solar energy is an excellent, low-cost means of creating temperature differences of tens of degrees for drying and heating, it is inevitably difficult and expensive to collect and concentrate solar energy to generate electricity or perform mechanical work.
	www.villageearth.org /pages/AT_Library/atsourcebook/chapters/solar.htm (5438 words)

	Fact Sheets > Agricultural Uses of Solar Energy
		Solar water heating systems may be used to supply all or part of these hot water requirements.
		Commercial greenhouses typically rely on the sun to supply their lighting needs, but are not designed to use the sun for heating.
		Solar greenhouses, however, are designed to utilize solar energy for both heating and lighting.
	www.fact-sheets.com /science-nature/energy/solar_ag (938 words)

	NC Solar Tax Credits
		Solar energy property is equipment that uses solar energy to heat or cool a building and provide hot water or electricity for use within or offset loads associated with the building.
		Greenhouses or other sunspaces which do not provide solar heat to an adjacent building or which require heat from non-solar sources to maintain inside temperatures for any reason are not eligible for the tax credit.
		Solar radiation is absorbed by the wall, converted to heat and transferred to the building by convection, radiation or combination thereof.
	www.scsolar.com /ncsolartaxcredits.html (2896 words)

	Global Warming FAQ - What is Causing the Increased Warmth?
		Greenhouse gases are cycled naturally - they are emitted, and then they are either absorbed or broken down (here are illustrations showing the global carbon cycle and the methane cycle).
		Greenhouse gases cause the greenhouse effect because radiation from the sun can penetrate the atmosphere and be absorbed by the earth, but radiation from the earth cannot escape as easily.
		In the 1400s to 1700, decreased solar activity (the 'Maunder Minimum) led to a period of global cooling, known as the 'Little Ice Age' that was particularly acute in Europe (discussed here).
	www.brighton73.freeserve.co.uk /gw/causes.htm (2936 words)

	SOLAR TODAY - Home
		Solar is more diffuse, making it more expensive to extract, but it is much more evenly distributed over the Earth’s surface.
		Because humans tend to live in places that have plenty of sunshine, solar power is locally available practically anywhere it is needed — in the world’s largest cities or its most rural villages.
		When solar power does become cost-competitive, the market will be almost limitless, but the infrastructure needed to accommodate this market growth will not be in place.
	www.solartoday.org /2005/jan_feb05/chairs_cornerJF05.htm (999 words)

	SA efforts in solar energy
		Presently, solar energy is not utilized extensively because of: the high cost of the procurable solar technologies; the quality of energy acquired from solar; and other factors related to sunshine duration.
		Saudi Arabia realized the weight of solar as a future energy source and began in the Seventies several major research and pilot plants projects whose objectives are to introduce the various application technologies, develop systems to satisfy the national needs, and to enhance the capability within the country to develop and apply the solar technology.
		The paper concludes that the solar programs with the U.S. and the solar electric and hydrogen programs with West Germany proved to be useful to assess specific usage of solar energy, and to estimate the possible extent of renewable energy contribution to the future energy needs of the country.
	www.un.int /saudiarabia/solar3 (4221 words)

	Technical Details of the Growing Dome Greenhouse Kit
		Solar powered activators open and close the vents and prevent the Growing Dome from overheating.
		Solar powered cooling fans are available at additional cost.
		For example, a 22' Greenhouse Kit with Premium glazing to Illinois, is approximately $500.
	www.growingspaces.com /details.php (806 words)

	Solar Greenhouses
		Solar greenhouses are designed not only to collect solar energy during sunny days but also to store heat for use at night or during periods when it is cloudy.
		While solar greenhouses can extend your growing season by providing relatively warm conditions, you should carefully select the types of plants that you intend to grow, unless you are willing to provide backup heating and lighting.
		Solar chimneys are passive solar collectors attached to the highest point on the greenhouse and are combined with vents or openings on either end of the greenhouse.
	attra.ncat.org /attra-pub/solar-gh.html (7101 words)

	Your Home Technical Manual - 1.4 Passive Solar Heating - Part 1
		Passive solar houses look like other homes but cost less to run and are more comfortable to live in.
		Solar radiation is trapped by the greenhouse action of correctly oriented (north facing) windows exposed to full sun.
		Where solar access is limited, as is often the case in urban areas, energy efficiency can still be achieved with careful design.
	www.greenhouse.gov.au /yourhome/technical/fs14.htm (1625 words)

	SolarMission Technologies, Inc. :: The Solar Tower Project is designed to provide large scale renewable energy with ...
		Solar tower technology is created when the sun’s radiation is used to heat a large body of air, which is then forced by the laws of physics (hot air rises) to move as a hot wind through large turbines to generate electricity.
		A solar thermal power station using solar tower technology will create the conditions to cause hot wind to flow continuously through its turbines to generate electricity.
		A technical review report prepared by Sinclair Knight Merz, one of the world's leading engineering specialists, independently agree the proposed solar thermal power station’s design concepts and construction methods are well proven and it can be built.
	www.solarmissiontechnologies.com /FAQs.htm (1010 words)

	The Passive Solar Greenhouse - Performance
		The passive solar greenhouse design allows you to garden year round without additional heating and cooling systems and costs.
		The cost to build this passive solar greenhouse is comparable to home greenhouse kits on the market.
		After researching many of the passive solar greenhouses written about in the 1970s-including greenhouses built and operating year round in Arizona, Massachusetts, Washington, Pennsylvania, Wisconsin, California and New York-I designed a passive solar greenhouse that is adaptable for growing all year in a wide range of climates.
	www.irisherbal.com /psg/content/performance.html (585 words)

	81.05.07: Solar Energy
		Solar energy is truly the oldest form of energy, and there is a good chance that it may turn out to be the most important answer to our energy problem.
		Solar energy systems tend to attain optimum performance in modules that are smaller in scale than those common in other energy forms: for example coal or nuclear electrical generating plants, or the proposed coal conversion plants.
		Solar heating specialists, mostly solar-heating engineers or solar engineers and solar-heating scientists, will be the backbone of this new and growing industry.
	www.yale.edu /ynhti/curriculum/units/1981/5/81.05.07.x.html (3400 words)

	NEED AND DESIGN FOR A SOLAR GREENHOUSE
		In Europe, glasshouses or plastic greenhouses, are widely used under a number of different climatic conditions from Northern Latitude (Denmark, Germany, England, Netherlands) to, more recently, Mediterranean countries (Italy, South France, Spain, North Africa).
		In France, initial development was restricted to the regions located North of the Loire ; it was perhaps wrongly assumed that the regions more favored by a greater amount of sunshine and by milder winter temperatures did not need such production equipment.
		The greenhouse -which can be defined according to its outer shell (shape and covering material : glass and more recently plastics films) and its technical air conditioning facilities (heating, cooling, ventilation…) - represents a powerful means of modifying the microclimate of the crops.
	www.actahort.org /books/70/70_16.htm (337 words)

	Energy: Solar
		Solar Water Heaters in Nepal, 23-560.pdf, book, 27 pages, by Andreas Bachmann, 1977, free photocopies from SDC; also available from SKAT and ITDG.
		Solar Photovoltaic Products: A Guide for Development Workers, 23-567.pdf, book, 127 pages, by Anthony Derriek, Catherine Francis and Varis Bokalders, revised edition 1991, ITDG (with The Stockholm Environment Institute and Swedish Missionary Council), £14.95 from ITDG.
		Half of the book is a bibliography on small-scale solar technologies (all U.S.), general organizing, and a directory of solar groups in the U.S. The Solar Survey, Solar Energy: Suggested Readings, 23-557.pdf, booklet, 21 pages, 1979, $2.00 (order no. SHH-7) from National Center for Appropriate Technology, P.O. Box 3838, Butte, Montana 59701, USA.
	www.tekio.net /library/solar.html (5405 words)

	Solar Pool Heating
		Solar pool heating systems will save you lots of money, and reduce reduce greenhouse gas emissions.
		This is a nice simple design for a solar heated hot tub that uses a Rubbermaid plastic stock tank, and a solar collector made from CPVC pipe.
		The solar collector shown here was developed in the 70's as a very inexpensive greenhouse heater.
	www.builditsolar.com /Projects/PoolHeating/pool_heating.htm (928 words)

	"Solar Greenhouses for the Trans-Himalayas: a Construction Manual " -Mtn-Forum On-Line Library
		The greenhouse was tested by NGOs working with farmers in five different trans-Himalayan areas and practical improvements made that ensure that the design is appropriate for the resources available in these high mountain areas.
		The theory of solar greenhouses in general, and of this design in particular, are described together with the requirements and constraints for construction.
		Using this manual, it will be possible for NGOs and other technical organisations to support farmers in choosing, designing, and constructing an appropriate greenhouse for their particular circumstances.
	www.mtnforum.org /resources/library/staux04a.htm (263 words)

	New England Solar Homes --- Designers of the Sunlit Healthy Home ---
		New England Solar Homes is a solar home design company founded in 1995 devoted to the design of high performance environmentally responsive homes appointed in a number of popular regional styles.
		While currently not providers of solar equipment, we have included in our Green Resources area, a list of solar companies in the New England states as well as other solar resource links like the Solar Energy Industries Association (www.seia.org) where solar providers nearest you can be located.
		As a result of the 1996 conference, The Solonial, a stripped down version of the Solar Farmhouse, was subsequently built in 1997, in Lexington, MA as a clear demonstration of the common sense wisdom of south orientation and 10 inch thick cellulose walls (R35).
	www.gis.net /~courtney/nesh/company/home.html (432 words)

	[No title]
		With further respect to the symbolism of the solar greenhouse, I want to thank you for the inspiration your love for it has been to me, just the way your outdoor Mary Garden was twenty years ago, and especially your love for it - and also your love for the dish Mary Gardens.
		And the Pilgrim Virgin, in your solar greenhouse with the sun overhead, is like Our Lady standing at Fatima with her rosary beads in her hands with the Son overhead calling us to rise to and come forth from God mystically with ever-increasing participation in the power of his love.
		The solar greenhouse provides this symbolism- and not only the sun itself, but is "coming forth", or rising, in the morning, and its nurturing of the plants into growth and bloom.
	www.mgardens.org /DC-BR-1981.html (12809 words)

	Description of the elements of Solar Electric Systems
		This type of solar energy system is the same as the grid-tied system above except that battery storage is added to enable power to be generated even when the electricity grid fails.
		Specialized solar water pumps are designed for submersible use (in a borehole) or to float on open water.
		Each PV cell within a solar module generates a small amount of electricity, so the cells are normally connected together within modules, or panels, to produce a useful amount of power.
	www.solarbuzz.com /Consumer/SolarSystem.htm (1050 words)

	Solar Water Heating - Technical Information - Fireball 20-01
		The solar absorber, so called because it absorbs the sun's energy, is a proven all copper, "serpentine" design with the highest quality "selective surface" fl Crystal absorber coating available.
		The "solar loop" is charged with food grade Propylene Glycol through two hose bibs, which have a check valve between them.
		Included on the solar loop, usually mounted below the pump, is an "Expansion Tank" which is very important to allow for the expansion and contraction of the glycol in the closed solar loop.
	www.solarroofs.com /technical (1069 words)

	RV Solar Kits From AriStar Solar - Standard, Custom, Rough Service And Sun-Tracking!
		Solar panels are typically warranted for 25 years and should give you at least that much good service.
		The solar panels are kept mobil on free standing tilt mounts and simply plugged into the solar charge controlling system when needed and unplugged and stowed away in the RV for traveling.
		This allows you to move the solar panels around to keep them in the most direct sunlight, the ability to stow them away for long term, and prevents any roof penetrations in the coach.
	www.azsolar.com /page/page/1496898.htm (931 words)

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