Cooling Fan practical experience

From a practical point of view of experience, "Cooling Fan" out of the wind would be more concentrated, giving the feeling of the wind is stronger than to stand fan, stand fan and wind out of time than the cooling type fan to disperse naturally wind speed low. This round of testing, we can know that this really is a fan of wind is large enough, and this fan can still be swept, so this fan practical effect of the wind is not bad. "Cooling Fan" cabinets have a water tank, and a small water pump to pump water pumped up inside moist absorbent curtains and "Cooling Fan" is a box structure, wind and pumping motors pages small motors while running , the sound mix inside the box easier, more noisy, but actually is not so?