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民用飞机在飞行过程中随着燃油消耗飞机重心不断变化,而燃油重心的变化往往很复杂,油箱干舱的设计给燃油重心的计算增加了复杂度。本文主要探讨油箱干舱的设置对于燃油消耗曲线的影响,以进一步考察燃油消耗曲线的计算的油箱模型是否有必要对干舱部分进行处理。本文建立了带有干舱和无干舱设计两种油箱模型,对两种油箱模型的燃油消耗曲线进行计算分析。计算结果表明,干舱部分对应的燃油重心对整个油箱的燃油消耗曲线计算分析影响很小,在进行燃油消耗曲线计算时,在工程误差的许可范围内,为降低计算复杂度可不对干舱进行处理。
As the center of gravity of civil aircraft changes continuously with the consumption of fuel during the flight, the change of the center of gravity of the fuel is often complicated. The design of the fuel tank increases the complexity of calculating the center of gravity of the fuel. This article focuses on the impact of tanker cabin settings on the fuel consumption curve to further examine whether the calculated tank model of the fuel consumption curve is necessary for the dry cabin section. In this paper, two fuel tank models with dry cabin and dry cabin design are established, and the fuel consumption curves of the two fuel tank models are calculated and analyzed. The calculation results show that the fuel center corresponding to the dry cabin has little effect on the calculation and analysis of the fuel consumption curve of the entire fuel tank. During the calculation of the fuel consumption curve, within the permitted range of engineering error, the dry cabin can not be operated to reduce the computational complexity deal with.