Wednesday, May 15, 2019

Protection lighting of aircraft Thesis Example | Topics and Well Written Essays - 12500 words

Protection release of aircraft - Thesis ExampleDespite these major advancements in knowledge, a National Fire Protection joining (NFPA) study for the 5 year period from 2007 to 2011, says that on average 22,600 fires are caused in the US by lightning each year. In addition to property damage of $ 451 million, these fires cause on average 9 deaths, 53 serious injuries (Ahrens). Lightning protection measures do not prevent lightning strikes but help reduce damage caused by them. Dr. Richard Kithil, the President of the National Lightning Safety Institute is quoted on their website as saying,Lightning is a capricious, random and unpredictable event. Its tangible effects include current levels sometimes in excess of 400 kA, temperatures up to 50,000 degrees F and speeds come near unitary-third the speed of light. Globally some 2000 on-going thunderstorms cause about 100 lightning strikes to earth each second. Lightning cake or protection in an absolute sense is impossible. A diminu tion of its consequences together with incremental sentry duty improvements is all that is possible (Kithil).Most parts of the US experience 20 to 80 thunderstorm old age in a year. Parts of South America and Africa have 100 to 200 thunderstorm geezerhood in a year. On a typical thunderstorm day, there could be as many as 10,000 lightning strikes to ground (NLSI Report).The Office of Emergency Management for New York City reports that the Empire State structure is struck by lightning on average 25 times a year and in one particular thunderstorm, it was hit 8 times in 24 minutes (OEM- NYC). The fact that the iconic mental synthesis remains undamaged by these lightning strikes shows that well designed and applied lightning protection measures serve to minimize the risk of infection of damage due to lightning strikes.1.3) Airplanes fly in close proximity to thunderclouds and should be vulnerable to lightning strikes. Some 19,500 commercialized aircraft are estimated to be

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