Abstract
Experiments on the steam ejector for lifting unsaturated water were made.
(1) Tests were performed for selecting the nozzle diffuser distance for the best performance.
(2) The momentum theory was not useful for the analysis of actions of these steam ejectors for lifting unsaturated water.
The authors had to use the apparent steam jet velocity in the momentum equation instead of the real steam velocity.
The apparent steam jet velocity may be 1-6% of the real steam let velocity.
