We are happy to provide information about solar powered lights for uses in the UK. These use the sun’s orientation across the sky to accrue and store power in batteries. This is used when pointing a solar panel towards the solar energy source. As the seasons change so will the position of the suns geometry in the sky. During the summer solstice you will find the longest day of the year approaches. The sun then reaches its highest point in the sky; ultimately this will provide longer days and shorter nights. Greater amounts of energy are produced, which can be used in solar powered lights. As we know the sun rises in the east and sets in the west, thus moving through the year from season to season.
The suns path while viewed from the northern hemisphere starts to move lower in the sky towards the South Pole. This then ultimately reaching a point called the autumnal equinox, where day and night become equal length in winter. As the winter season continues the suns orbit then creates shorter day light times and longer nights. Climatic conditions also change, making it impossible to make historical predictions into the future as far as daily solar powered lights are concerned. We rely on this historical meteorological evidence to provide a guide as of what to expect.
Calculating the orbit of the sun’s path from a static point has to be done with a degree of expectation, it is almost impossible to give a daily iridescence so as an alternative to this calculation a mean average is optimized.
Ways of measuring the sun light.
Luminance or photometers are available to measure the suns intensity at a given point. The general rule of thumb for solar powered lights, is that an average of 1Kw of solar energy per square meter. This is absorbed into the earth from the sun. Calculations can then be estimated depending on air pollution, fog and cloud cover during times throughout the year. Other possible restrictions could be trees, buildings, and debris that impart on the refractive angles during the seasons. If this happens then as much as 70% irradiance can be lost over this time making it difficult to calculate the sun light.
Conclusion, always try to look outside of the box to make sure you optimize a given geographical position where any object pointed receives the greatest degree of sunlight at any given point in time. If you have questions regarding the irradiation in a given area, then contact us to discuss your request.
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