This research is a factor that affects the cooling system fan EVAP. The purpose is to identify the factors that affect the cooling system fan EVAP and determine the appropriate factors to the system fan EVAP cooling up, which has designed and built a fan prototype, then designed experiments to collect data and do analysis. Statistical data
from the trial showed that the determining factor that affects the cooling fan is. Fan speed The amount of water flowing through the water evaporates and the distance between the fan plate evaporation, and then select the experiment, which this study has used experimental design 2k Factorial Design and then find the number of repeats (Replicate) in the experiment, which uses the power of the test (. Power of test) equal to 95 percent of that number over the next two replication sets of factors to experiment with the speed of the fan has two levels. 707.72 and 505.52 rpm, the amount of water flowing through water evaporation plate with two levels. 20.57 and 17.14 liters per minute and the distance between the evaporation fan has two levels of 30 and 20 centimeters, then create regression from the relationship between the cooling fan on the factors which affect the estimate of the equation Cooling. The fan is temperature (Y) = 10.0375-0.0359A-1.3347B-0.0023AB fan speed and A is B. The amount of water flowing through a water evaporation. The next level is the factor that has the lowest temperature can be used to calculate the Response optimizer or can find the cooling fan with Contour plot graphs and Surface plot.
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