Journal of Food, Agriculture and Environment

Analysis of the efficiency of a solar water heating system flat made of common materials


Aurea Lúcia Georgi Vendramin 1,2, Carlos Itsuo Yamamoto 1, 2, Anderson Miguel Lenz 3, Carlos Eduardo Camargo Nogueira 3,4, Samuel N. Melegari Souza 3,4

Recieved Date: 2015-04-30, Accepted Date: 2015-09-10


The thermal performance of a solar water heating with 1.00 m2 flat plate collectors in Cascavel - PR is presented in this article, paper presents the solution to leverage the marketing of solar heating systems through detailed constituent materials of the solar collector studies. These abundant materials in construction, such as expanded polyethylene, PVC, aluminum and glass tubes, were prepared by mixing them with new materials to minimize loss of efficiency while decreasing its cost. The system was tested during months and the collector obtained maximum recorded temperature of outlet fluid of 55°C, while the maximum temperature of the water at the bottom of the hot water tank was 35°C. The average daily energy collected was 19.6 MJ/d, the energy supplied by the solar plate was 16.2 MJ/d, the loss in the feed pipe was 3.2 MJ/d, the solar fraction was 32.2%, the efficiency of the collector was 45.6% and the efficiency of the system was 37.8%.


Recycled materials, energy efficiency, solar collector

Journal: Journal of Food, Agriculture and Environment
Year: 2015
Volume: 13
Issue: 3&4
Category: Environment
Pages: 127-130

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