onda de Mach
1. A pressure wave that forms at the apex of a cone of compressed air or fluid around an object moving at supersonic speeds, occurring at the Mach angle relative to the direction of motion
The Mach wave appears as a sharp boundary between disturbed and undisturbed fluid in supersonic flow.
A onda de Mach aparece como um limite nítido entre o fluido perturbado e não perturbado no escoamento supersônico.
2. In aerodynamics, a weak pressure wave that propagates at the speed of sound relative to the object and marks the beginning of pressure disturbance in supersonic flow
Engineers study Mach waves to understand shock formation in supersonic aircraft design.
Os engenheiros estudam as ondas de Mach para compreender a formação de ondas de choque no design de aeronaves supersônicas.
Mach waves are primarily discussed in scientific and engineering contexts in both Brazil and Portugal. The term is specialized aeronautical/fluid dynamics vocabulary, rarely used in everyday conversation. The concept is named after Ernst Mach, the Austrian physicist, and is fundamental to supersonic aerodynamics education and aerospace industry applications.
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