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Ideal Hybrid Fuel Is ... Wax?

机译:理想的混合燃料是...蜡?

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A graduate student at Stanford University has found what promises to be a better hybrid rocket fuel than the usual rubberized polymers like hy-droxyl-terminated polybutadiene (HTPB). The new fuel is a broad class of paraffins, imprecisely known as wax, and may make the hybrid rocket a more viable contender. Wax's main virtue is that it burns three times faster, producing more thrust for the same surface area. Hybrids have advantages over conventional solid and liquid rockets of safety, low cost, throttleability, and simplicity, but with fuels like HTPB the burn rate is so slow that it must be laced with holes for more surface area, making it prone to internal breakup.
机译:斯坦福大学的一名研究生发现,有望成为比普通的橡胶聚合物(如羟丙基封端的聚丁二烯(HTPB))更好的混合火箭燃料。新燃料是一类广泛的石蜡,不精确地称为蜡,并且可能使混合动力火箭成为更可行的竞争者。蜡的主要优点是燃烧速度快三倍,在相同的表面积下产生更大的推力。混合动力车比传统的固体和液体火箭弹具有安全,低成本,节流能力和简单性的优点,但对于HTPB这样的燃料,燃烧速度非常慢,必须在其上打孔以增加表面积,从而易于内部破裂。

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