EXPERIMENTAL AND NUMERICAL STUDY ON THE PERFORMANCE CHANGE OF A SIMPLE PROPELLER SHAPE USING THE COANDA EFFECT

Experimental and Numerical Study on the Performance Change of a Simple Propeller Shape Using the Coanda Effect

In this study, a jet injection propeller was designed to increase its efficiency, and the results were compared by open water tests and Bedpans numerical computations.Also, the change in shape of the slit and injection volume conditions, which are difficult to perform experiments with, were analyzed through computations.The jet injected from the bl

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Trajectory Optimization Algorithm for a 4-DOF Redundant Parallel Robot Based on 12-Phase Sine Jerk Motion Profile

To improve high motion accuracy and efficiency in the high-speed operation of a 4-DOF (4 degrees of freedom) redundant parallel robot, this paper introduces a trajectory planning of the parallel robot in joint space based on the twelve-phase sine jerk motion profile.The 12-phase sine jerk motion profile utilizes the characteristics of a sine functi

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Performing multiobjective optimization on perforated plate matrix heat exchanger surfaces using genetic algorithm

Matrix Heat Exchanger is having wide spread applications in cryogenics and aerospace, where high effectiveness and compactness is essential.This can be achieved by providing high thermal Input Module conductive plates and low thermal conductive spacers alternately.These perforated plate matrix heat exchangers have near to 100% efficiency due to low

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