Question: Explain using equations the difference between the Eulerian and Lagrangian methods for describing fluid motion. Using a diagram explain the continuity principle in fluid mechanics

Explain using equations the difference between the Eulerian and Lagrangian methods for describing fluid motion. Using a diagram explain the continuity principle in fluid mechanics and where it could be applied to aircraft design. Fire safety engineers are required to extinguish a nacelle fire. Assuming that the mass flow rate from the pump is 20kg/s, determine using continuity the final delivery nozzle diameter which will produce a jet with a desired velocity of 35m/s. Explain using equations the difference between the Eulerian and Lagrangian methods for describing fluid motion. Using a diagram explain the continuity principle in fluid mechanics and where it could be applied to aircraft design. Fire safety engineers are required to extinguish a nacelle fire. Assuming that the mass flow rate from the pump is 20kg/s, determine using continuity the final delivery nozzle diameter which will produce a jet with a desired velocity of 35m/s
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