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一、前言 自从液体燃料的Y型雾化喷咀问世以来,由于其独特的优点得到了广泛的应用。但与机械雾化喷咀相比,其雾化机理和设计计算方法均比较匮乏,至今尚未形成一套符合实际、公认的系统。作为向此努力的一部分,本文提出的Y型喷咀流量计算方法,对低粘度、高粘度和超高粘度液体燃料都得到与实际相当吻合的结果。应用本方法结合Y型喷咀雾化特性,可设计给定出力和气耗率并有良好雾化的Y型喷咀。
I. Introduction Since the advent of liquid fuel Y-atomizing nozzles, its unique advantages have been widely used. However, compared with the mechanical atomization nozzle, the atomization mechanism and the design and calculation methods are relatively scarce, so far not yet formed a set of practical and recognized system. As part of this effort, the Y-nozzle flow calculation method proposed in this paper has been shown to be quite consistent with the actual results for low-viscosity, high-viscosity and ultra-high viscosity liquid fuels. By using this method combined with the atomization characteristics of Y-shaped nozzle, a Y-shaped nozzle with good output and gas consumption rate and good atomization can be designed.