The set up consists of a glass column. Water is fed at the top of the column along the walls to make the column a wetted wall column. Hot air from heating chamber with known humidity is allowed to pass through the column vertically upward and evaporation in the liquid film around the wall takes place. The flow rates of water and air can be independently varied to simulate different conditions.
The set up consists of a glass column. Water is fed at the top of the column along the walls to make the column a wetted wall column. Hot air from heating chamber with known humidity is allowed to pass through the column vertically upward and evaporation in the liquid film around the wall takes place. The flow rates of water and air can be independently varied to simulate different conditions. Instrumentation is provided to measure the dry and wet bulb temperatures at air inlet and outlet.
An ENGLISH instruction manual consisting of experimental procedures, block diagram etc. will be provided along with the Apparatus.
The whole set-up is well designed and arranged on a rigid structure painted with industrial PU Paint.
Experimentation/Learning Objectives.
Utilities Required.
| Column | Borosilicate Glass Dia. 45 mm, Length 1000 mm (approx.) |
| Water Circulation | FHP Pump. |
| Water Tank | Material Stainless Steel, Capacity 20 Ltrs. |
| Heating Chamber | Compatible capacity. |
| Heater | Ni chrome wire heater |
| Rotameter | For water flow rate measurement. |
| Dry & wet Bulb Temp. | With Digital Temperature Indicator. |
| Temperature Sensors | RTD PT-100 Type. |
| Control panel comprises of | Digital Temp. Indicator : 0-199.9°C, with multi-channel switch. With Standard make on/off switch, Mains Indicator etc. . |
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