This research aims to identify the factors that affect the cooling fan EVAP system and determine the appropriate factors to lower the temperature by a fan made initial steps to determine the factors that affect 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, computes the number of repeats (Replicate) in an experiment using the power of the test. (Power of test) equal to 95 percent of that number over the next two sets of factors unique to each experiment by a factor of two levels is the speed of the fan. 707.72 and 505.52 rpm, the amount of water that flows through a sheet of water evaporation. 20.57 and 17.14 liters per minute and the distance between the evaporation of 30 and 20 cm fan with the
results obtained by analysis of variance showed that factors affecting the cooling fan is the fan speed. The amount of water flowing through a water evaporation. Then, create a regression from the relationship between the cooling fan on the factors which affect the estimate of the equation, the cooling fan is temperature (Y) = 10.0375-0.0359A-1.3347B-0.0023AB A is the fan speed and so on. B The amount of water flowing through the pads evaporates the water level of the factors that make up the lowest temperature can be used to calculate the Response optimizer that uses the fan speed at 707.72 rpm and the amount of water flowing through the pads evaporates. The water level of 20.57 liters per minute, the temperature was 29.35 ° C fan.
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