Solar Shading

solar shading

  • A layer of paint or material used to provide shade, esp. for plants

  • The darkening or coloring of an illustration or diagram with parallel lines or a block of color

  • a gradation involving small or imperceptible differences between grades

  • graded markings that indicate light or shaded areas in a drawing or painting

  • A very slight variation, typically in color or meaning

  • (shaded) protected from heat and light with shade or shadow; "shaded avenues"; "o'er the shaded billows rushed the night"- Alexander Pope

  • Solar is an American fictional comic book character. Originally known as Doctor Solar, Man of the Atom, he first appeared in a comic book published by Gold Key Comics in the 1960s.

  • "Solar" is a musical composition attributed to Miles Davis on the studio album Walkin', considered a modern jazz standard. There is disagreement concerning the exact pronunciation of the tune (|?sol?r| or |?solar|).

  • Relating to or denoting energy derived from the sun's rays

  • relating to or derived from the sun or utilizing the energies of the sun; "solar eclipse"; "solar energy"

  • Of, relating to, or determined by the sun

solar shading - Building façades

Building façades and thermal comfort: The impacts of climate, solar shading, and glazing on the indoor thermal environment

Building façades and thermal comfort: The impacts of climate, solar shading, and glazing on the indoor thermal environment

There is currently a trend of designing new commercial buildings with large glazed facades. Maintaining comfort in the perimeter zones of these buildings is difficult due to their transmittance of solar radiation and exposure to cold outdoor air temperature. Designing these buildings with high-performance facades, however, can improve energy performance, provide a high-quality thermal and visual environment, and reduce thermal loads. This book presents an experimental and simulation study of the indoor thermal environment of a perimeter zone office with glass facade and solar shading device. The study investigates the impact of climate, glazing type, and shading properties on thermal comfort. By recognizing comfort as a key consideration in building design from the initial design stage through to building occupancy, it can be ensured that new high-performance and passive solar buildings are not only aesthetically pleasing and energy-efficient, but also comfortable and enjoyable places to work and live.

76% (10)

Solar Power Bank - Pb/Acid & LiFePO4 Hybrid Pack

Solar Power Bank - Pb/Acid & LiFePO4 Hybrid Pack

I robbed my original Solar Power Bank, for the batteries in the Electric Pusher Trailer and the Electric Riding Mower. I had to come up with another battery bank, so I combined some Pb/Acid and LiFePO4 batteries.

I'm absolutely amazed that the 12.8 volt nominal LiFePO4 flexpack cells are staying balanced during both charge and discharge even though they don't have BEQ1-LiFePO4 regulators on the cells. NOTE: This particular LiFePO4 flex cell pack was originally installed in the E-Eclipse as the aux battery for lights, fans etc. Being charged with a standard dumb charger from Harbor Freight, the cells overcharged, and expanded like a balloon, since there were no BEQ1-LiFePO4 regulators on them to keep them safe. I revived them with the compression recovery method, and am using them here in the Solar Power Bank. I'm sure they aren't quite as good as new, but they do get me through the entire evening/night with according to the SOC meter plenty of charge left.

I knew from the Electric Eclipse's hybrid traction pack, two LiFePO4 cells wired in series, and then paralleled onto each 6volt Golf Cart battery worked fine and never overcharged, but was unsure if 4ea LiFePO4 cells wired in series, and then paralleled would do the same, yet so far after over 2 weeks, they are working great.

Solar Eclipse 2009

Solar Eclipse 2009

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My interpretation of the Solar Eclipse in 2009.

Since I do not have the necessary filters to photography the event, the image of the solar eclipse is seen as a lens flare.

solar shading

solar shading

Spatio-temporal dynamics of solar shading for a parametrically defined roof system [An article from: Energy & Buildings]

This digital document is a journal article from Energy & Buildings, published by Elsevier in 2004. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

The evaluation of shading devices is generally carried out using a sequence of shadow-pattern images showing the progression of solar penetration for particular times of the day or year. This approach can reveal when solar penetration may occur, say at the summer solstice, but it cannot give a quantitative measure of the degree and likelihood of solar penetration over a representative period of a full year. This paper describes a new image-based technique to quantify the effectiveness of shading devices. It is founded on predictions of direct solar irradiation using hourly meteorological data for a full year. In addition to numerical output, the technique produces synoptic images that reveal the spatial and temporal variation of solar irradiation. There are no practical limits on the scene geometry and buildings with thousands of individual shading elements can be evaluated. The technique is designed to be both fast and highly scalable making it suitable for the evaluation of a large number of design variants. This is demonstrated in the paper using a parametrically defined model of a complex roof shading system based on the Changi Airport Terminal 3 design. The 3600 fins that comprise the roof shading system were generated using a parametric scheme where the fin orientation has a random component. A total of 42 design variants of the roof shading system were evaluated using the new technique.

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