ANALISIS AERODINAMIKA PESAWAT UDARA NIR AWAK (PUNA) KARGO DENGAN PAYLOAD 500 KG

ANDRI CAHYOGI, WISNU (2022) ANALISIS AERODINAMIKA PESAWAT UDARA NIR AWAK (PUNA) KARGO DENGAN PAYLOAD 500 KG. Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

An Unmanned Aerial Vehicle or often called an Unmanned Aerial Vehicle is an accompanying pilotless aircraft in flight. The control of this aircraft is completely controlled remotely using radio waves. In designing an aircraft, aerodynamic characteristics are one of the most important things that must be considered and re-examined by the aircraft designer, aerodynamic characteristics must be considered because it greatly affects the performance of the aircraft. In the case of the research studied is aerodynamic analysis on Unmanned Aircraft. This study used a variation in the angle of attack of -8° to 28° with A alpha = 4. The simulation was carried out at the time of cruising flight at a speed of 86,667 m/s. With a Computational Fluids Dynamic approach using ANSYS CFX software. The numerical simulation results obtained are in the form of data on the value of the inhibition force Drag as well as the lifting force Lift. From the results of this analysis, it is used to find the angle of the wing tide angle of incident that meets the lifting force, which is at an angle of 5° where at this angle it produces a lifting force lift of 24149.6 N. after obtaining the wing mount angle, an analysis is carried out at a wing angle of 5CL°. At an attack angle of 0° of 0.468. the maximum at an attack angle of 16CL ° is obtained 1.563, at an attack angle of 0CD° is 0.061 and at an attack angle of 28CD° of 0.621. For a CL/CD maximum of 8,550 at an attack angle of 4°.

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