Additive used to restore the chemical neutrality of alkaline water Water with a pH below 7 Approved code of practice and guidance on the control of legionella bacteria in water systems Approved code of practice and guidance on the control of legionella bacteria in water systems Quantity of air passing through a cooling tower Air entry openings located at the base of a cooling tower Louvres positioned in the air inlet opening to retain water droplets Screen positioned in the air inlet to retain water droplets and prevent direct sunlight penetrating the wetted parts Chiefly aquatic, eukaryotic, photosynthetic organisms that can block cooling tower components and harbour undesirable bacteria Chemical used to limit the growth of algae Water with a pH above 7 Natural atmosphere temperature measured on thermometer Natural atmosphere temperatures Natural atmosphere temperature measured on a wet bulb thermometer Bolts connecting the structure to a concrete base Used in association with an anchor bolt connection A sacrificial anode used to protect metal parts from electrolytic corrosion Temperature difference between the temperature of the cold water leaving the cooling tower and the wet bulb temperature of the air entering the cooling tower Approved code of practice and guidance on the control of legionella bacteria in water systems Heat transfer fill pack comprising layers of bars CTI code for measurement of sound from water cooling towers CTI isokinetic drift measurement test code for water cooling tower CTI acceptance test procedure for wet-dry plume abatement cooling towers Draught through a cooling tower induced by atmospheric conditions A device installed in a cold water collection basin to reduce water droplet impact generated noise A device for moving air in a mechanical draft tower Microscopic organism normally unicellular A cooling tower support frame incorporating preservative treated timber members A pond located at the base of a cooling tower that collection falling cold water for transportation around the cooling system Top of the cold water collection basin wall Suction pump connection area located at the lowest part of the cold water collection basin Oxidising or non-oxidising chemical additives used to limit the proliferation of microbiological growth A collection of micro-organism and entrained debris that is held within a protective layer and attached to a surface Accumulation of waterborne organisms such as algae slimes, molluscs, barnacles and protozoan A drift eliminator constructed with thermo formed sinusoidal profiled blades A proportion of the circulating water continually discharged from the system to maintain an acceptable level of dissolved salts and or impurities Water lost through a cooling towers air inlet opening A proportion of the circulating water continually discharged from the system to maintain an acceptable level of dissolved salts and or impurities A cooling tower support frame incorporating preservative treated timber members British Standards covering the design, specification and thermal testing of cooling towers A cooling tower support frame incorporating preservative treated timber members A measure of the bicarbonates of calcium and magnesium contained in the water Water droplets carried out of the tower entrained in the exhaust air stream An external surface that retains water within a cooling tower A sacrificial anode used to protect metal parts from electrolytic corrosion Independently operating section of a cooling tower that can be hydraulically and airflow isolated Thermo formed honeycomb profiled drift eliminator Low noise forced draught fan used on package cooling towers Plant for injecting measured quantities of beneficial chemical additives into a cooling water system In seawater a soluble salts with a binary compound of chlorine Oxidising chemical additives used to limit the proliferation of microbiological growth also see disinfection Oxidising disinfection agent The quantity of chlorine required to maintain an acceptable free residual level in the cooling system Quantity of water passing through a cooling tower Quantity of water passing through a cooling tower An external surface that retains water within a cooling tower A pond located at the base of a cooling tower that collection falling cold water for transportation around the cooling system Temperature of the water after cooling in a cooling tower Main vertical structural supports The quantity of dissolved solids accumulated in an evaporative water cooling system Determining the residual level of dissolved solids by comparing the relative quantities of dissolved solids in the circulating and make-up water Cooling tower in which the structure is made of concrete Cooling tower reinforced concrete support structure The electrical conductivity of water Difference between the temperature of warm water entering and temperature of cold water leaving a cooling tower A USA based organisation specialising in the design, specification and testing of evaporative heat transfer systems A cooling tower cools circulating water via an evaporative heat transfer process that dissipates waste heat to atmosphere Water circulated through a cooling system Oxidation or acidification of metal A method of assessing levels of corrosion Chemical additives used to limit the corrosion of metal parts A cooling tower format in which the air enters the base of the tower and travels upwards counter current to the falling water A cooling tower format in which the air enters the side of the tower and travels across the path of to the falling water A USA based organisation specialising in the design, specification and testing of evaporative heat transfer systems Cooling Technology Institute thermal test code Temperature of the water after cooling in a cooling tower Determining the residual level of dissolved solids by comparing the relative quantities of dissolved solids in the circulating and make-up water Cylindrical fan housing Cooling tower with a heat exchanger tube bundle sections that reduces visible exit plume Ambient air temperature measured using a dry bulb thermometer A section of the pipe work system without flow holding static water Removal of chlorine from water Dispersal of particles suspended in water Dissolving of the lignin that binds timber fibres
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