Solar Energy Generation Model for High Altitude Long Endurance Platforms
For designing and evaluating new concepts for HALE platforms, the energy provided by solar cells is a key factor. The purpose of this thesis is to model the electrical power which can be harnessed by such a platform along any ﬂight trajectory for diﬀerent aircraft designs. At ﬁrst, a model of the solar irradiance received at high altitude will be performed using the solar irradiance models already existing for ground level applications as a basis. A calculation of the eﬃciency of the energy generation will be performed taking into account each solar panel’s position as well as shadows casted by the aircraft’s structure. The evaluated set of trajectories allows a stationary positioning of a hale platform with varying wind conditions, time of day and latitude for an exemplary aircraft conﬁguration. The qualitative eﬀects of speciﬁc parameter changes on the harnessed solar energy is discussed as well as the ﬁdelity of the energy generation model results.
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