GT2024090402
Technical parameters:
a. Bench-top apparatus to demonstrate the operation characteristics of an evaporative cooling tower Should be low-maintenance, bench-mounting product containing a heated water tank, a pump, a ducted fan and an instrument panel
b. Each cooling column should fit securely to the heated water tank
c. Controller: electronic
d. The centrifugal pump should deliver the heated water to a spray nozzle at the top of the column
e. The fan should direct air upwards through the column in counter flow to the water, extracting the heat
f. Electronic sensors should measure the air and water flow, humidity, pressures and temperatures at key points, shown on clear, multiline displays
g. Controls for the fan and water circuits should allow the students to adjust the flow rates for a full range of experiments
h. Each column should be of high-grade clear acrylic material
i. The facility of powerful Onboard data acquisition system
j. Training programs to be performed:
k. How key variables affect the performance of a cooling tower, including:
l. Variation of water flow rate
m. Variation of air flow rate
n. Variation of water temperature
o. Energy and mass balance and etc.
p. Technical Specifications:
Column size: 500 mm x 200mm x 200 mm , Heated water and air box assembly:, Folded stainless steel , 9 L water capacity, High temperature thermostat , Float valve to maintain a constant water level , 2.5 - 3.0 kW immersion heater x. Centrifugal pump:, 2.94 - 3.0 bar max , 0.9 - 10 L/min, Centrifugal fan: , Forward curved, single inlet , Instrument panel:, 3 off LCD displays , 5 - 6 off temperature and humidity connection sockets, Water temperature controller (for use up to 60°C), 2 off differential pressure ports , Fan, heater and pump on/off switches , Cooling columns:, High grade clear acrylic , Electronic sensors:, Air and water flow, Humidity of air entering and leaving the unit , Pressures, Air and water temperatures, Header assembly: Spray nozzle and louvre panels , Inbuilt data acquisition system

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