Numerical analysis of the effects of atmospheric parameters on space launch center safety

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Tezin Türü: Yüksek Lisans

Tezin Yürütüldüğü Kurum: Orta Doğu Teknik Üniversitesi, Mühendislik Fakültesi, Makina Mühendisliği Bölümü, Türkiye

Tezin Onay Tarihi: 2016

Öğrenci: İBRAHİM YAMAN

Danışman: MEHMET HALUK AKSEL

Özet:

This thesis study aims at the problem of space launch center safety which is dependent on launch vehicle conceptual design and atmospheric parameters. Selection of the concept at the initial step of the satellite launch vehicle affects the project cost and space launch center safety directly. It is also important to model properties of atmospheric conditions and conduct safety analysis. Successful mission for a launch vehicle depends on providing the total velocity requirement. In this study, launch vehicle performance that is necessary for a successful mission was modelled. Different launch vehicle configurations are compared using a parametric cost model and best alternative in terms of lifetime cost is selected to be used for the safety analysis of space launch center safety. Atmospheric parameters, variation of temperature and pressure with altitude and winds with their deviations are modelled. Drop points of launch vehicle fragments under different atmospheric conditions are analyzed. In addition, seasonal variations of safety distance requirements due to secondary effects such as temperature, pressure and toxic pollutants are calculated.