TY - JOUR TI - Experimental investigation on the performance of thermosyphon solar water heater in the South Caspian Sea AU - Riahi Abdollah AU - Taherian Hessam JN - Thermal Science PY - 2011 VL - 15 IS - 2 SP - 447 EP - 456 PT - Article AB - In the present study, a natural circulation closed thermosyphon flat plate solar water heater has been tested at the Faculty of Engineering of University of Mazandaran located in Babol city (36N, 52E). Data were collected for several sunny and cloudy days. Dynamic response of the system to variations in solar insolation was studied and analyzed. It was found that such systems can provide ample energy to satisfy the demand for hot water, contrary to misperception among locals.