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Topic: Passive solar


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In the News (Tue 16 Jul 19)

  
  Passive solar - Wikipedia, the free encyclopedia
Passive solar is a broad category of techniques for regulating a building's indoor air and domestic water temperatures, using climate, site features, architectural elements, and landscape materials.
A "purely passive" solar-heated house would have no mechanical furnace unit, relying instead on energy captured from sunshine, only supplemented by "incidental" heat energy given off by lights, candles, other task-specific appliances (such as those for cooking, entertainment, etc.), showering and/or "living bodies" (people and pets).
Solar buildings often use massive materials such as stone, concrete, straw bales, and adobe for this purpose.
en.wikipedia.org /wiki/Passive_solar   (1111 words)

  
 EERE: Solar Energy - Passive Solar Heating, Cooling and Daylighting   (Site not responding. Last check: 2007-10-08)
Another passive solar cooling device is the thermal chimney, which can be designed like a smoke chimney to vent hot air from the house out through the roof.
Passive solar is not just a design technique for using the sun to heat and cool a home.
Passive solar heating is also a common way to heat water (see the section on Solar Hot Water), and, particularly in developing nations where the electrical grid is undeveloped, passive solar heat is sometimes captured to cook food.
www.eere.energy.gov /RE/solar_passive.html   (714 words)

  
 PASSIVE SOLAR ENERGY DESIGN
Although passive solar heating systems do not require mechanical equipment for operation, this does not mean that fans or blowers may not, or should not, be used to assist the natural flow of thermal energy.
Passive solar systems do not have a high initial cost or long-term payback period, both of which are common with many active solar heating systems.
Passive solar heating will tend to work best, and be most economical, in climates with clear skies during the winter heating season and where alternative heating sources are relatively expensive.
www.ecomall.com /greenshopping/passivesolar.htm   (1950 words)

  
 Green Buildings Info - Passive Solar Design
For passive heating and cooling, the plan of the house, careful site selection and planning, construction materials, building features and other aspects of the home are designed to collect, store and distribute the sun's heat in winter; and to block the sun's rays in summer.
Passive solar houses can be built in any architectural style and in any part of the country.
Passive solar design works by utilizing overhangs to shade a house during the heat of the summer and allow sunlight to penetrate the interior of the house during the winter.
www.nesea.org /buildings/info/passivesolar.html   (563 words)

  
 Passive Solar Heating and Cooling
Passive solar applications, when included in initial building design, adds little or nothing to the cost of a building, yet has the effect of realizing a reduction in operational costs and reduced equipment demand.
It should be understood that passive solar design does not necessarily mean the elimination of standard mechanical systems, although recent designs coupled high efficiency back-up heating systems greatly reduce the size of the traditional heating systems and reduce the amount of non-renewable fuels needed to maintain comfortable indoor temperatures, even in the coldest climates.
Adjustments in glazing size and location of solar windows can occur by the use of reflectors, or when other passive solar design elements are used in combination with a direct gain system such as heat loss reduction by the use of movable insulation, double glazing, and by using wooden sash and frames.
www.azsolarcenter.com /technology/pas-2.html   (8396 words)

  
 Encyclopedia: Passive solar
Active solar is a term which refers to the use of solar energy to actively convert the energy in sunlight into other forms.
A "purely passive" solar-heated house would have no mechanical furnace unit, relying instead on energy captured from sunshine, only supplemented by "incidental" BTUs given off by lights, candles, other task-specific appliances (such as those for cooking, entertainment, etc.), showering and/or "living bodies" (people and pets).
A solar cell, or photovoltaic cell, is a semiconductor device consisting of a large-area p-n junction diode, which, in the presence of sunlight is capable of generating usable electrical energy.
www.nationmaster.com /encyclopedia/Passive-solar   (1776 words)

  
 Passive Solar   (Site not responding. Last check: 2007-10-08)
Passive solar design combined with thermally efficient natural materials: Building with rammed earth, mud brick, recycled timber and salvaged joinery, for...
Passive solar systems are considered direct systemss although sometimes they involve convective flow which technically is a conversion of heat into mechanical energy.
Passive solar buildings often use massive materials such as stone, concrete, and adobe.
www.wikiverse.org /passive-solar   (580 words)

  
 Sourcebook Passive Solar Design
Passive solar design refers to the use of the sun's energy for the heating and cooling of living spaces.
Passive design is practiced throughout the world and has been shown to produce buildings with low energy costs, reduced maintenance, and superior comfort.
For example, a basic passive cooling strategy is to permit cooler night air to ventilate a house and cool down the thermal mass (this can be brick, stone, or concrete walls or floors, or large water containers) inside the house.
www.greenbuilder.com /sourcebook/PassiveSol.html   (708 words)

  
 835 - Heating your house with passive solar heat is simple
Passive solar means that there are no solar collectors, pumps, water tanks, etc. The house itself captures and stores the sun's heat in the winter and naturally stays cool in the summer.
The keys to an effective passive solar house are high insulation, much south-facing glass and thermal mass built into the floors and walls.
Four basic passive solar design features to use are direct gain windows, solar walls, sunrooms and solar roofs.
www.dulley.com /docs/f835.htm   (626 words)

  
 passive solar house plans   (Site not responding. Last check: 2007-10-08)
Passive solar house plans are the wave of the future.
A key element of passive solar house plans is the ability to collect energy from the sun without external systems that have to be maintained and monitored.
A passive system could be as simple as situating a house with the main windows facing south and a strategically measured overhang over the windows.
www.nr1-house-plans.com /passive-solar-house-plans.htm   (292 words)

  
 Watrous Associates Architects - Energy Efficient Passive Solar Design
The term "passive solar", in its purest sense, means collecting the sun's heat without any machines or moving parts, like pumps or fans.
In contrast, "active solar" means collecting the sun's energy and using machines, pumps, fans, or moving parts to move the heat where it is needed.
Passive solar, rather than active solar, is best for energy efficiency in the Midwest region.
www.sunearth.net /solar.html   (488 words)

  
 Solar Homes and Solar Collectors
Solar energy is our birthright like the air we breathe or the water we drink.
Solar collectors, solar hot water systems, heat storage vaults, photovoltaic electricity, solar panels, solar greenhouses and solar house plans will become more important in this century.
Both solar collectors and solar greenhouses are able to harvest the suns energy in the form of heat.
www.jc-solarhomes.com   (372 words)

  
 Sound Home Resource Center-Topic   (Site not responding. Last check: 2007-10-08)
We also lamented the fact that passive solar design and construction had not caught on, and is incorrectly regarded by many as a failed experiment.
Here is the story of "Solar I", a low budget project which transformed a small non-descript Seattle house into an elegant passive solar structure that has been using less than half the fuel of a traditional structure.
Passive solar heating depends upon the design of a structure to capture and store the heat of the sun.
www.soundhome.com /topics/topic_passivesolar.shtml   (2980 words)

  
 Sourcebook Passive Solar Guidelines1-2
Solar energy is a radiant heat source that causes natural processes upon which all life depends.
Passive solar energy means that mechanical means are not employed to utilize solar energy.
The goal of all passive solar heating systems is to capture the sun's heat within the building's elements and release that heat during periods when the sun is not shining.
www.greenbuilder.com /sourcebook/PassSolGuide1-2.html   (1704 words)

  
 Passive Solar Design   (Site not responding. Last check: 2007-10-08)
Homes constructed as passive solar design use the natural movement of heat and air to maintain comfortable temperatures, operating with little or no mechanical assistance.
Passive solar takes advantage of local breezes and landscape features such as shade trees and windbreaks, and uses a simple system to collect and store solar energy with no switches or controls.
Passive systems can be built with different configurations of energy-saving features and a variety of conventional and unique architectural styles.
www.consumerenergycenter.org /homeandwork/homes/construction/solardesign.html   (436 words)

  
 EERE: Solar Energy   (Site not responding. Last check: 2007-10-08)
Solar hot water heaters use the sun to heat either water or a heat-transfer fluid in collectors.
Solar resource information provides data on how much solar energy is available to a collector and how it might vary from month to month, year to year, and location to location.
The availability or access to unobstructed sunlight for use both in passive solar designs and active systems is protected by zoning laws and ordinances in many communities.
www.eere.energy.gov /RE/solar.html   (344 words)

  
 Passive Solar   (Site not responding. Last check: 2007-10-08)
Passive solar energy refers to the warmth of sunlight.
Numerical and experimental analysis of convection heat transfer in passive solar heating room with greenhouse and heat storage.
Passive solar systems for heating, daylighting and ventilation for rooms without an equator-facing facade.
www.conservationinstitute.org /passivesolar.htm   (223 words)

  
 The Passive Solar Greenhouse
Because this greenhouse is permanent and passive solar, it is much more effective than season extension.
So I decided to design and build a passive solar greenhouse that would fulfill the sustainable agricultural principles of affordability, usefulness, durability and efficient use of local resources.
The design of the passive solar greenhouse can be modified to fit your locale by a) adjusting the angle of the glazing wall, b) increasing or decreasing the depth of the insulated foundation, c) increasing or decreasing the size of the fan and side vents, and d) using shade cloth as necessary.
www.irisherbal.com /psg/content/whybuild.html   (466 words)

  
 Passive Solar House Plans
Solar radiation is absorbed during the day and released gradually during the cold nights.
Passive solar heating is accomplished by collecting and distributing heat from the sun without external mechanical pumping systems.
This passive solar greenhouse would be a cozy little place to go on a sunny, cold January day in the North America.
www.jc-solarhomes.com /passive_solar.htm   (1480 words)

  
 Sustainable design, passive solar house consultation packages for the do-it-yourselfer.
Passive solar heat gain or cooling breezes must be quickly absorbed and released, as needed later, to be effective.
Solar radiant heat is a very gentle source of warmth that is infinitely more comfortable than forced air.
The passive ability of an HTM to stay comfortably warm in the winter and cool in the summer, is easily managed in any climate.
www.thenaturalhome.com /passivesolar.html   (6275 words)

  
 Read about Passive solar at WorldVillage Encyclopedia. Research Passive solar and learn about Passive solar here!   (Site not responding. Last check: 2007-10-08)
Passive solar energy refers to collection systems that do not use other forms of energy to increase the effectiveness of the collection system.
Passive solar systems use architectural elements in buildings to take advantage of natural cycles of sunlight and other elements in order to reduce the costs of building heating and cooling, without using mechanical elements.
Passive solar buildings often use massive materials such as
encyclopedia.worldvillage.com /s/b/Passive_solar   (614 words)

  
 SCEO - Residential Sector   (Site not responding. Last check: 2007-10-08)
Passive solar homes are ideal and affordable places in which to live.
Unlike most standard designs, passive solar homes are intended to work with the inside and outside climate to minimize energy bills and maximize comfort.
A well designed passive solar home not only provides comfort, low energy bills, and aesthetic living for the homeowner, it also helps improve South Carolina's environment and economy.
www.state.sc.us /energy/Residential/solar.htm   (292 words)

  
 Solar Panels and Solar Energy facts and info for Pool Heating, Cooking - Solar energy ,information
A solar panel is a device that converts the free energy from the sun into more readily usable forms, either absorbing its heat to directly heat water or air or converting its light into electricity.
Calculators with small solar cells on the front are commonplace and dual-powered electrical items such as radios and lanterns are increasingly more familiar sights for sale in our local appliance stores.
“Solar panel” is also a slightly misleading phrase; panels are comprised of modules that are in turn made up of interconnected solar cells.
www.siemenssolar.com   (333 words)

  
 DenverPost.com - BUSINESS
South-facing windows allow solar heating during the day, which can be enhanced by heat-retaining floors and walls.
Solar thermal: Roof-mounted thermal panels use sunlight to heat water.
Solar electric: Photovoltaic panels mounted on the roof convert sunlight directly to electricity.
www.denverpost.com /business/ci_3140569   (1684 words)

  
 ENN: Environmental News Network [[Today's News Full Story ]]
Solar thermal panels on his roof heat water that circulates around the heart-tank, and keeps his family of four in more hot water than they can use.
Throw in state and federal tax incentives, and solar thermal water systems are a "no-brainer," says Shawn Fitzpatrick, an energy specialist with the N.C. Solar Center, a nonprofit clearinghouse for solar and other renewable energy programs.
She built her house in 1990 -- it's been featured on a public television special -- and includes PV solar electric generation, solar thermal and other so-called passive solar features to keep heat in during winter and out during summer.
www.enn.com /today.html?id=8956   (916 words)

  
 Green Building Encyclopedia - Passive Solar Design in Green Buildings
Solar energy in the form of heat and light is freely available in nearly all locations.
In regions where heating is required, design for efficient use of passive solar energy.
Every opportunity should be made to harness “free” solar energy in the form of heat and light.
www.whygreenbuildings.com /passive_solar.php   (1227 words)

  
 Passive Solar Design
Passive solar design is the way to get there.
Vertical, south-facing glass is especially effective for collecting solar heat in the winter, and these windows will let in much less heat in summer, since the sun's angle is more horizontal in winter and steeper in summer.
Solar homes need not look weird, nor do they require complicated, expensive, and hard-to-maintain gadgetry to function well and be comfortable year-round.
www.care2.com /channels/solutions/home/75   (791 words)

  
 Solar Hot Water
Passive solar hot water systems are probably the oldest commercially available solar systems.
The passive solar water heater is known today by many names; PSWH, Batch Heater and Bread Box are the most common and then there is the very technical; Integrated Collector and Storage System (ICS).
When the temperature of the solar water entering the water heater is less than the thermostat setting, your water heater makes up the difference.
www.epsea.org /wtr.html   (953 words)

  
 California Solar Center _ Passive Solar History
To prevent the solar heat captured during the day from escaping, the Dutch covered the glass at night with canvas coverings.
The ancient Romans not only used window coverings to hold in solar heat for their homes but also relied on such solar heat traps for horticulture so that plants would mature quicker, produce fruits and vegetables out of season, and allow for the cultivation at home of exotic plants from hotter climates.
By morning all the solar heat in the wall had dissipated into the living areas, leaving the wall totally cooled down and ready for another heating cycle.
www.californiasolarcenter.org /history_passive.html   (1878 words)

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