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中文Particle Counting
Introduction An Optical Particle Counter gives the count of particles and their size in the solution being considered. There are 2 main techniques for particle counting – light extinction and light scattering (Moubray, 1997). The particle counter consists of an optical system illuminated by a light source. This system detects the contamination in fluid by […]
Continued Improvement Developments in an Airworthiness Environment
Introduction Today, air transport is one of the safest forms of travel. As air transport began to develop there was a need for a common international initiative to regulate the safety and sustainability of this mode of transport. In December 1944, fifty four of the world’s nations became signatories to the “Chicago Convention”, the aim […]
Airworthiness Regulations and Design
According to Torenbeek (1996), the T/W – thrust-to-weight ratio and the W/S – wing loading (W/S) are very important parameters that influence performance and they have to be optimised largely. As an example, if the initial wing loading is low, then it would give a larger area for the fuel tanks and landing gear. However, […]
Aircraft Engineering: NDT of Outer Starboard Main Plane
1. INTRODUCTION The inspection process as specified by the United States of Defence for testing of airplane components is recommended. Initially a preliminary survey of the damage has to be done and then the appropriate inspection process has to be followed (USDF, 28 August 2001). Preliminary survey of the damage: The component is inspected using […]
