Performance Evaluation and Cost Analysis of Photovoltaic Thermal (PVT) System Using the Triangular Shape of Absorber with Different Water-based Nanofluids as Coolants Journal title: International Journal of Experimental Research and Review Authors: Mrigendra Singh, S.C Solanki, Basant Agrawal, Rajesh Bhargava Subject(s): Cattle, Dairy processing. Dairy products, Biological Sciences, Chemistry, Computer and Information Science, Mathematics, Miscellaneous, Medical Education