South Africa scientists have developed an integrated, solar-powered heat pump and refrigerator for use by food vendors in sub-Saharan Africa. The dual system is powered by two 90 W solar modules and repurposes waste heat.Academics from the Cape Peninsula University of Technology in South Africa have designed a PV-powered integrated heat pump and cooling system to heat up food and refrigerate drinks. The system uses a vapor compression refrigeration system with R134a refrigerant. It has two separate compartments for warming and cooling, with a volume of 50 liters each. The condenser operates at ...Den vollständigen Artikel lesen ...