Abstract

The nozzle is a system intended to regulate the path or the fluid-flow characteristics when it leaves (or enters) the sealed space. A Nozzle is also an intersectional pipe or tube that can be used to direct or change the movement with fluids (liquids that gasses). It is also used to track the flow rate, direction, size, density, form and pressure of the stream from it. The direction of the fluid rises in a pump, at the cost of the energy demand. As the pace of the cruise often raises the noise of the jet and the friction is generated due to the instability of the flow which causes the noise in the aircraft's exhaust Nozzle, but the issue is not co-related with the time of the cruise, the key problem will also occur at the time of the ground run, It is closer to the population when the climb and the descent of the aircraft. Suppression is now one of the most powerful daunting study subjects in the Aviation sector to mitigate its effect on residents around the Airport and the biggest advancement is the usage of new aircraft of various conceptual designs. To have a pleasant journey and will not affects the creature around it, the focus on reduction of the Nozzle noise, in this research, Analysis of three different Nozzle shape and come up with best acoustic feature with the reason for being it.

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