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2 2013

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The issue of icing in aviation. Study with the use of numerical simulation

Grzegorczyk K., Wajszczak E, Galas D

Advances in Science and Technology. Research Journal

2013

Vol. 7, nr 17

42--46

Although it has been over 100 years since Wright brothers’ first flight, icing has not been entirely investigated yet. The article is divided into 4 parts. The first one introduces the receiver of meteorological aspect of icing. Second part is devoted to physics aspect of ice accretion. The third and fourth parts describe icing with mathematical models and present a numerical simulation. We have completed our presentation with the results of numerical simulation.

EGNOS - use of GPS system for approach procedures

Wajszczak E, Galas D

Advances in Science and Technology. Research Journal

2013

Vol. 7, nr 17

62--65

Since GPS system became available for common use, a it has been applied in many areas, including aviation. The development of portable GPS receivers provided immeasurable aid in air navigation. The paper presents EGNOS system that ensures the possibility of using GPS system for approach procedure. The article addresses the following issues: the history of creation and development of GPS, principle of system operation, accuracy in relation for GPS system, comparison with conventional radio navigation ILS system and potential benefits from implementing EGNOS.