Abstract
To take out mechanical power from high pressure oil, impulse type oil turbine of a construction similar to Terry steam turbine was developed on the basis of the fundamental experiment and the study of performance of test turbine. The turbine mainly consists of a nozzle, aturbine wheel with many deflection grooves and several fixed deflection boxes. Comparing with positive-displacement type oil motor, the oil turbine has distinguished points such as feasibility of high rotational speed, low idling resistance, simple construction etc. As the fundamental experiment, the static test of two-dimensional deflection grooves was carried out and design data for deflection groove with minimum losses were given. Based on the data obtained from the above, a test turbine was built, and its performance was measured at different rotational speed and also at different jet velocity. From this study the limit of performance of impulse type oil turbine was clarified, and the necessary data for designing oil turbine were obtained
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