Defining Helicopter Flight Performance in Conditions of Change in Mass and Altitude

Helikopteri su letjelice s iznimnom prilagodljivošću i mogućnosti obavljanja specifičnih zadaća i misija. Osnovni režim leta helikoptera iz kojeg onda ulaze u bilo koji drugi režim leta je lebdenje. S obzirom na to da su helikopteri tako značajni za razne djelatnosti od koristi je da se što bolje poznaju performanse takvih letjelica. Na performanse utječe mnogo parametara, no u ovom radu fokus je na utjecaju mase helikoptera, visine leta i temperature okolnog zraka na potrebnu i raspoloživu snagu helikoptera u lebdenju. S pomoću vrijednosti koje definiraju krivulje potrebne i raspoložive snage mogu se definirati i procijeniti performanse helikoptera u lebdenju. Provedena je obrada, analiza i usporedba utjecaja navedenih parametara na lebdenje helikoptera uz program Matlab.Helicopters are aircraft with exceptional adaptability and the capability to perform specific tasks and missions. The fundamental flight mode from which helicopters can transition into any other flight mode is hovering. Given that helicopters play a significant role in various activities, it is beneficial to have a thorough understanding of the performance of such aircraft. Numerous parameters influence performance, but this work specifically focuses on the impact of helicopter mass, flight altitude, and ambient air temperature on the required and available power during hovering. By utilizing values that define the curves of required and available power, one can define and assess the performance of helicopters in hovering. The processing, analysis, and comparison of the influence of these parameters on helicopter hovering were conducted using the Matlab program