Passive Solar Energy

passive20solar20heatingPassive solar energy heating is the method via which the energy of the sun is trapped, saved and made use of for household/commercial purposes without the use of extra active mechanical devices. This kind of trapping of the solar power makes very little use of the conventional energy sources therefore providing affordable setup, design and upkeep.

Passive solar structure design and energy efficient landscaping supports the passive house’s energy preservation, and can incorporate them into a neighborhood and the local environment. Following passive solar structure strategies, where possible structures are compact in shape to lower their surface area, with principal windows oriented towards the equator south in the northern hemisphere and north in the southern hemisphere to maximize passive solar power gain. Nevertheless, the use of solar gain, particularly in temperate climate areas, is secondary to reducing the general residence energy requirements. In regions and environments needing to minimize excessive summer passive solar heat gain, whether from direct or reflected sources, Brise soleil, trees, attached pergolas with vines, vertical gardens, green roofs, and other strategies are implemented.

Passive cooling systems can keep structures cool without the need for power usage. One technique of passively cooling a building is by shading it from solar radiation.
Passive solar energy systems are different. Because of the way a passive solar system works in a house, it is tough to even determine which homes make use of passive solar energy in some cases.
passive solar energy systems are simply that passively utilizing the heat and light that the sun puts out in order to heat up a home. By orienting a house in a southerly direction when it is being constructed, and putting windows and architectural details in specific locations in a house it becomes much easier to let in the light and heat that the sun offers.

Such passive solar innovations, as this, utilize sunshine without active mechanical systems (as contrasted to active solar). Such innovations transform sunshine into usable heat (in water, air, and thermal mass), trigger air activity for ventilating, or future use, with little use of other energy sources. A typical example is a solarium on the equator side of a structure. Passive cooling is the use of the very same design concepts to decrease summer season cooling requirements.

Innovations in this technology also include direct and indirect solar gain for area heating, solar water heating systems based upon the thermo-siphon or geyser pump, use of thermal mass and stage modification products for slowing indoor air temperature level swings, solar cookers, the solar chimney for improving natural ventilation, and earth sheltering.

This type of construction may not be hard or expensive (utilizing off the rack existing products and innovation), however the scientific basis of passive solar building design is a non insignificant engineering effort that requires considerable research of previous counter instinctive lessons learned, and time to get in, examine, and iteratively refine the simulation input and output.

It also has its own terminology such as Passive solar fraction (PSF). PSF is the portion of the needed heat load met by PSH and thus represents possible decrease in heating costs. RETScreen International has reported a PSF of 20 50 %. Within the field of sustainability, energy conservation even of the order of 15 % is considered considerable.

Passive solar building design is typically a fundamental aspect of a cost efficient no energy or zero energy use building (ZEB). A ZEB uses numerous passive solar structure design concepts, a ZEB is normally not purely passive, having active mechanical renewable energy generation systems such as: wind turbine, photovoltaics, micro hydro, geothermal, and other emerging alternative energy sources.
passive solar power techniques are solely oriented towards thermal energy capture and storage without utilizing added energy from mechanical or electrical sources.

Passive solar structure design and energy reliable landscaping support the Passive residence energy conservation and can incorporate them into a neighborhood and environment. Following passive solar structure strategies, where possible structures are compact in shape to reduce their surface area, with primary windows oriented to the equator south in the northern hemisphere and north in the southern hemisphere to make the most of passive solar energy gain. Passive solar energy systems are different. Because of the method a passive solar system works in a home, it is hard to even identify which houses utilize passive solar energy in some cases. Passive solar innovations make use of sunshine without active mechanical systems (as contrasted to active solar).

More Reading? Read About The Definition of Passive Solar Energy Here.



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