Computerized Cooling Tower Test Bench
Product Code : EL-RAACLE-10790
Quick Answer:
The Computerized Cooling Tower Test Bench examines the main components and principle of a wet cooling tower with forced ventilation: water is heated in a tank, pumped to an atomizer, and sprayed over the wet deck surface, where it trickles from top to bottom while air flows from bottom to top so heat transfers directly from the water to the air by convection and evaporation. The evaporated water volume is recorded, the airflow is generated by a fan and adjusted using a throttle valve, and the transparent cooling column allows clear observation of the wet deck surface and trickling water. Measured values (volumetric air flow rate, temperatures of air and water, air humidity, water flow rate) are shown on digital displays and, via the included data acquisition software, transmitted directly to a PC over USB, with the changes of state of the air represented in an h-x diagram.
Overview:
The Computerized Cooling Tower Test Bench examines the main components and principle of a wet cooling tower with forced ventilation. Water is heated in a tank and transported by a pump to an atomizer, and the atomizer sprays the water to be cooled over the wet deck surface. The water trickles from the top to the bottom along the wet deck surface whilst air flows from the bottom to the top, and the heat is transferred directly from the water to the air by convection and evaporation. The evaporated water volume is recorded, and the airflow is generated by a fan and adjusted using a throttle valve. The cooling column is transparent, allowing clear observation of the wet deck surface and the trickling water.
The measured values can be read on digital displays, and at the same time can also be transmitted directly to a PC via USB using the included software for data acquisition. All important process parameters are recorded (volumetric air flow rate, temperatures of air and water, air humidity, water flow rate), and the changes of state of the air are represented in an h-x diagram.
The measured values can be read on digital displays, and at the same time can also be transmitted directly to a PC via USB using the included software for data acquisition. All important process parameters are recorded (volumetric air flow rate, temperatures of air and water, air humidity, water flow rate), and the changes of state of the air are represented in an h-x diagram.
FEATURES:
Thermodynamic principles of the wet cooling tower
Changes of state of the air in the h-x diagram
Determination of the cooling capacity
Energy balances
Calculation of process parameters, such as maximum cooling distance, cooling zone width etc.Â
SPECIFICATION:
Cooling column :
Specific surface of the wet deck surface: 110m2/m3
Cross-section: 150x150mm
Volumetric airflow measurement via orifice: Ø 80mm
Heater, adjustable in three stages :Â
500W
1000W
1500W
Thermostat: switches off at 50°C
Fan :
Power consumption: 250W
Max. Pressure difference: 430Pa
Max. Volumetric flow rate: 13m3/min
Pump :
Max. Head: 70m
Max. Flow rate: 100L/h
Tank for additional water: 4,2L
Measuring ranges :
Differential pressure: 0…1000Pa (air)
Flow rate: 12…360L/h (water)
Temperature: 2x 0…50°C, 3x 0…100°C
Rel. humidity: 10…100%
Required for operation :
230V, 50Hz, 1 phase
230V, 60Hz, 1 phase
DIMENSIONS AND WEIGHT:
L x W x H (approx.): 1200 x 600 x 1600 mm
Weight (approx.): 125 kg
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Last Updated: September 2026
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