ABSTRACT
A study was performed to determine the energy loss corresponding to percentage of water losses in high pressure sprinkler in the Norte Fluminense region of Rio de Janeiro. A field experiment was carried out according to ASAE (1990) methodology. Energy loss was analyzed as a function of the following independent variables: wind speed, air relative humidity, solar radiation and pressure head of sprinkler. Results obtained showed that relative humidity of air had the most influence in the energy loss (energy loss in Mega Joule per hectare hour) followed by wind speed, sprinkler pressure head and solar radiation.
Key words:
sprinkle; climate; energy; losses