Abstract
Airborne Early Warning (AEW) systems are deployed for getting surveillance information on airborne enemy targets. Electromagnetic sensors such as Radars are integrated on airborne platforms for collecting such information. Maritime Patrol Radar (MPR) is used for surveillance of sea surface for various types of ships and low flying aircraft. The antenna of MPR is belly mounted on typical turbo prop aircraft and protected from environment with a cover called Radome. Airborne radomes are electromagnetically transparent. The radome installation introduces additional drag which will reduce the range of the aircraft. To minimise the drag due to installation of radome, the profile has to be stream-lined or optimised with CFD analysis for certain operational points of aircraft flight. Design of radome is multidisciplinary effort involving Aerodynamics, Structures and Electromagnetic disciplines. In this study, aerodynamic optimization of a radome for a given antenna size is carried out using a combination Genetic Algorithm (GA) and traditional optimisation methods to find the Utopia point for further investigation on Multidisciplinary Design Optimization (MDO) of radome. This is necessary to progress on optimisation with other disciplines like Structures and Electromagnetics (EM)
Highlights
Airborne Early Warning (AEW) systems are used for airborne surveillance to get advance information on the incoming enemy fighters or targets
RADAR is electromagnetic system which is integrated on suitable airborne platform such as executive jets or turbo-prop aircraft for carrying out airborne surveillance and early warning
Maritime Patrol Radar (MPR) is such a radar which provides surveillance information on the targets which are flying low above the sea surface or enemy ships sailing on the seas
Summary
Airborne Early Warning (AEW) systems are used for airborne surveillance to get advance information on the incoming enemy fighters or targets. RADAR is electromagnetic system which is integrated on suitable airborne platform such as executive jets or turbo-prop aircraft for carrying out airborne surveillance and early warning. Maritime Patrol Radar (MPR) is such a radar which provides surveillance information on the targets which are flying low above the sea surface or enemy ships sailing on the seas. As part of MPR system, an antenna is installed below the fuselage to transmit / receive ElectroMagnetic (EM) signals. To protect an antenna from environmental conditions like, rain, sandstorm, hail etc., a cover is required. This cover is termed radome and is electromagnetically transparent. An approach for the optimization of the shape the airborne radome from aerodynamic performance is presented as a part of the larger study on Multidisciplinary Design Optimization (MDO) of the radome
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