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If this energy is being used to heat water by means of a collector panel, then the tilt and orientation of this panel is critical to the level of solar gain and hence the increase in temperature of the water. The collector surface should be orientated toward the sun as much as is possible. Most solar water-heating collectors are fixed permanently to roofs of buildings and therefore cannot be adjusted. More sophisticated systems for power generation use tracking devices to follow the sun through the sky during the day. | If this energy is being used to heat water by means of a collector panel, then the tilt and orientation of this panel is critical to the level of solar gain and hence the increase in temperature of the water. The collector surface should be orientated toward the sun as much as is possible. Most solar water-heating collectors are fixed permanently to roofs of buildings and therefore cannot be adjusted. More sophisticated systems for power generation use tracking devices to follow the sun through the sky during the day. | ||
There are many methods available for aiding system design and for predicting the performance of a system. The variability of the solar resource is such that any accurate prediction lends itself only to complex analytical techniques. Simpler techniques are available for more rudimentary analysis. These techniques can be found in the relevant texts. | There are many methods available for aiding system design and for predicting the performance of a system. The variability of the solar resource is such that any accurate prediction lends itself only to complex analytical techniques. Simpler techniques are available for more rudimentary analysis. These techniques can be found in the relevant texts. |