Dynamic Model for Spray Cooling in Floating PV Developed by FH Aachen Researchers
FH Aachen University of Applied Sciences has introduced a dynamic model for spray cooling in floating photovoltaic systems, focusing on cost-effective solutions. The model demonstrates significant temperature reductions across various climates, enhancing PV efficiency and operational viability.
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Researchers at FH Aachen University have created a dynamic model for spray cooling in floating photovoltaic (FPV) systems, emphasizing its practical implementation. The model integrates thermal behavior, electrical performance, and active cooling, utilizing meteorological data to assess solar heating and cooling effects, ultimately informing module temperatures.
Validation against a 750 kW FPV installation in Weeze, Germany, showed a mean deviation of 0.98 C. The model indicated that spray cooling could reduce module temperatures by 12% to 22% annually and peak temperatures by up to 42%, with climate influencing energy gains significantly.
Lake Kinneret yielded the highest relative energy gain of 3.8%, while cooler climates showed reduced performance. Future research will explore additional environmental impacts and long-term testing.
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