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Cooling Tower Calculation Formulas3/21/2021
Also brief about Cooling tower mass balance of make-up water requirement in system, Drift Losses or Windage, Evaporation losses Blowdown or Draw off.The make-up water source is used to refill water lost to evaporation.
Hot water from heat exchangerscondenser is sent to the cooling tower. After reducing the temperature of water in cooling tower and is sent back to the condenser exchangers or to other units for further process. It is normally expressed directly as ( parts per million ) ppm or indirectly as mhos conductivity. Usually Louvers are installed at an angle to the direction of air flow to the cooling tower. These mechanical draft cooling towers utilize large fans to force air through circulated water. The water falls downward over surface of fills, which help increase the contact time between the air and water. This helps maximize heat transfer between the air and water. It falls as rain on to successive stages of boards in the form of louvres of wood, polystyrene or metal, with notches and ribs to break up the flow. The water flows from one stage to the next and finally arrives at the pond which forms the base of the structure, from which it is taken by the cold water pump. The circulation of air in forced draft cooling tower is produced by means of fans placed at the base of the tower. The circulation of air is provided by means of fans placed at the top of the tower. This is a very large tower in which the hot water encounters a natural draught which promotes cooling of the water by convection and evaporation. Cooling Tower Calculation Formulas Portable Monitoring InstrumentsDuring the performance assessment, portable monitoring instruments are used to measure the following parameters. Cooling Tower Makeup is required due to water losses resulting from Drift, Evaporation Blowdown. It is a ratio between parameter in Cooling Water to the parameter in Makeup water. In some large power plants, concentration cycles of the cooling tower may be much higher. In summer season the ambient air wet bulb temperature raises when compared to winter season so cooling tower efficiency limiting in summer season. Today, the company has 16 cooling tower models with the aim of improving the quality of its products for productivity in different climatic regions. All types of cooling towers manufactured by Dama Gostar Company today are supervised by the best quality control (QC) team and are made available to the general public.
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