Abstract
In this investigation the effect of submergence ratio and air jacket on the performance of the air lift pump has been studied. Three types of air jackets in addition to five levels of submergence ratios were used. Each air jacket has a number of drilled holes distributed uniformly at the perimeter of the inside pipe, where the total area of drilled holes was kept constant. It has been found that the water flux increases as the submergence ratio increased. Also it was found that the minimum air flux required to start discharging water from the pump decreases as the submergence ratio increases. Air jacket with a hole of 4 mm diameter, resulted the highest performance for the air lift pump.
Highlights
An air lift pump is a device used to raise the liquid or slurries from a well or vessels through a vertical pipe, partially submerged in the liquid, by means of compressed air introduced into the pipe near the lower end [1]
Most of these studies were concerned with the analysis of design parameters and operational parameters on the performance of air lift pumps
The best efficiency ranges are found to be in slug and slug-churn flow regimes [11]. In this investigation the air lift pump performance was studied with different air jackets which are used to introduce the air to the pump
Summary
Abstract—In this investigation the effect of submergence ratio and air jacket on the performance of the air lift pump has been studied. Three types of air jackets in addition to five levels of submergence ratios were used. Each air jacket has a number of drilled holes distributed uniformly at the perimeter of the inside pipe, where the total area of drilled holes was kept constant. It has been found that the water flux increases as the submergence ratio increased. It was found that the minimum air flux required to start discharging water from the pump decreases as the submergence ratio increases. Air jacket with a hole of 4 mm diameter, resulted the highest performance for the air lift pump
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