The Sweden Democrats continued to use the Keep Sweden Swedish as a slogan. The Sweden Democrats was founded in 1988 as a successor to the Sweden Party, which in turn had been formed in 1986 by the merger of Bevara Sverige Svenskt (BSS, English: Keep Sweden Swedish) and a faction of the Swedish Progress Party.
Evaporative coolers lower the temperature of air using the principle of evaporative cooling, unlike typical air conditioning systems which use vapor-compression refrigeration or absorption refrigerator. Evaporative cooling is the addition of water vapor into air, which causes a lowering of the temperature of the air.or direct evaporative cooling, the direct saturation efficiency, , measures in what extent the temperature of the air leaving the direct evaporative cooler is close to the wet-bulb temperature of the entering air.
Indirect evaporative coolers can be utilized to cool air or other fluid with wet surface heat exchangers. The. surface of the cooling air passages is wetted by spray water (also named recirculation water), so that water film. evaporates into the cooling air and decreases the temperature of the wetted surface. The primary air or other. process fluid flows in the alternative passages and is cooled by indirect contact with the spray water film. through the separating wall of the heat exchangers.