Resumen
This document specifies methods for recording the time history of instantaneous sound pressure in several positions around rotor powered unmanned aircraft systems (UAS) with a maximum take-off mass (MTOM) of less than 150 kg in accordance with ISO 21895[9]. The UAS can be either electrically powered or fuel-powered. It is not applicable to the tilt-rotor or tilt-wing UAS. It does not account for the UAS noise certification or regulation
This document can also be applied to measure the sound pressure from a UAS with either multiple rotors or a single rotor.
This document specifies:
a) recommendations and requirements for three different test facilities for the noise measurements of various categories of multirotor-powered UAS:
— requirements and recommendations of UAS noise tests in anechoic chambers (Clause 7);
— requirements and recommendations of UAS noise tests in anechoic wind tunnels (Clause 8);
— requirements and recommendations of UAS noise tests in outdoor environments (Clause 9);
b) requirements and recommendations for the configuration of noise measurement for multirotor-powered UAS in hover, vertical take-off and landing, and horizontal cruise;
c) recommendations for the test configuration and procedures to minimize the influence of meteorological effects.
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Informaciones generales
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Estado: PublicadoFecha de publicación: 2024-01Etapa: Norma Internacional publicada [60.60]
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Edición: 1Número de páginas: 49
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Comité Técnico :ISO/TC 20/SC 16ICS :49.020
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