Figure 3: Pressure loss as a function of airflow. dry air Figure 4: Effectiveness as a function of airflow. dry air 100 110 120 10 20 30 40 50 60 70 80 90 0 0102030405060708090 height (mm) flow [m3 h-1 ] 100 200 300 Figure 5: Influence on effectiveness due to condensation heat. return-air: +20°C / height 300 mm / airflow: 60 m3 100 99 98 97 96 95 94 93 92 91 90 100 80 return-air RH [%] 60 40 100 80 60 40 20 0 20 0 -20 -15 -10 -5 05 10 15 20 outside temperature [°C] h-1 20 15 10 5 0 -5 -10 -15 -20 100 100 80 82 84 86 88 90 92 94 96 98 0102030405060708090 height (mm) flow [m3 h-1 ] 100 200 300 Figure 6: Exhaust air temperature as a function of the outside temperature. return-air: +20°C / height 300 mm / airflow: 60 m3 h-1 100 100 80 60 40 20 0 freezing risc return-air RH [%] 100 80 60 40 20 0 -20-15 -10-50 5101520 outside temperature [°C] 5 effectiveness [%] Pressure drop [Pa] exhaust air temperature [°C] effectiveness [%] Pagina 4
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