Ejector model analysis results | Rezultati modelskog ispitivanja ejektora za formiranje vakuuma
2009
Batinic, B., Gradjevinski fakultet, Beograd (Serbia) | Prodanovic, D., Gradjevinski fakultet, Beograd (Serbia) | Randjelovic, A., Gradjevinski fakultet, Beograd (Serbia)
Ejector is commonly used to create a vacuum for dosing gas or other liquids to the water. Although widely used, the efficiency of ejector is rarely considered. A series of measurements has been conducted with various combinations of ejector dimensions. Valiables were diameter of the nozzle and the distance between the end of the nozzle and the beginning of the pipe. Vacuum head in function of water flow was measured when there was no air flow, and when there was air flow (from a reservoir with constant volume). A special attention had been given to estimation of time needed for rarefaction of air in a constant volume reservoir (decrease in pressure from atmospheric to vacuum). The results are presented in this paper.
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