hemisphere shape impact of jet stationary object? explain
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ABSTRACT The impact of jet experiment is a way to understand fluid pressure by using the pressure to accelerate the fluid to a plate by a high velocity in a jet which in result will generate force due to impulse. It enables the force developed by a jet of water affecting upon a stationary object to be measured. The objective of this experiment is to investigate the validity of theoretical expressions for the force exerted by a jet on target of various shapes. The shapes can be categorised into three geometries which are plate, hemisphere and slope. For this experiment, only the slope deflector is used at an angle of 120°. The procedure of this experiment is by changing the amount of load placed on the weight pan and time is recorded for the volume of water to reach 5.0L to measure the flow rate of the water jet at different weight. The higher the load's weight gave a lower time taken for the water to reach 5.0L which resulted in a higher flowrate of the water jet. The graphs will show load weight and computed theoretical jet force against volume flow rate and the square of volume flow rate to get linear slope which will be easier to compare. The results obtained experimentally will be compared with the theoretical value and any discrepancies between the slopes of the measured forces will be discussed. From here we can conclude that the objective of this experiment has been achieved of not. This experiment helps us to understand about fluid pressure also gives us a better understanding about fluid related machines
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