Labels:barrier reef | crt screen | lemon | monitor | road | sky | stairs | stop sign OCR: Step Find (or extrapolate) solar radiation on the horizontal axis of the graph [275 BTU/ft2] Air Temperature Rise vS Solar Radiation for Various Air Flow Rates Solar Radiation BTU/ft of Transpired Collector 1.1 CFM/ft2 (20 m 3/h/m2) CFM/ft (73 m 3/h/m2) .! CFM/ft2 (130 m 3/h/m2) *5** 100 1000 Solar Radiation Watt/m of Transpired Collector