Meshing pair geometry of the intersecting-axis internally geared screw compressor

IF 3.5 2区工程技术 Q1 ENGINEERING, MECHANICAL

International Journal of Refrigeration-revue Internationale Du Froid Pub Date : 2024-10-10 DOI:10.1016/j.ijrefrig.2024.10.012

Dantong Li, Zhilong He, Xiaoqian Chen, Chongzhou Sun, Kai Ma, Chuang Wang, Ziwen Xing

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Abstract

The Intersecting-Axis Internally Geared Screw Compressor (IISC) is an emerging advanced positive displacement machine showing the potential to greatly broaden the application of screw compressor technology. The core component of the IISC is an internally geared meshing pair with the intersecting-axis gearing, while its design methodology has not been disclosed yet. To fill the gap, this paper established the geometry model for the meshing pair and discussed the influence of its core parameters on geometric performance. First, the generation model of meshing pairs was presented, and the complete parameters set of meshing pairs was defined. The established model was verified by a meshing pair manufactured by 3D printing and CNC techniques. Next, the geometric analysis model of IISCs was established such as working volume and leakage channels, which was verified by commercial 3D software. Using the analysis model, the mesh pair parameters (rotor profile, cone angle, wrap angle, and L/D ratio) were discussed to reveal the design methodology of IISCs. Finally, the variable-pitch technology was discussed, and a novel variable-pitch method was proposed to further enhance the performance of IISCs. This paper could effectively guide the design of IISCs to further promote the development of the screw compressor technology.

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相交轴内齿轮螺杆压缩机的网格对几何形状

相交轴内啮合螺杆压缩机（IISC）是一种新兴的先进容积式机器，显示出极大拓宽螺杆压缩机技术应用领域的潜力。IISC 的核心部件是带有相交轴齿轮的内齿轮啮合副，但其设计方法尚未公开。为填补这一空白，本文建立了啮合副的几何模型，并讨论了其核心参数对几何性能的影响。首先，介绍了啮合副的生成模型，并定义了啮合副的完整参数集。通过三维打印和数控技术制造的网格对验证了所建立的模型。接着，建立了 IISC 的几何分析模型，如工作容积和泄漏通道，并通过商用 3D 软件进行了验证。利用分析模型，讨论了网格对参数（转子轮廓、锥角、包角和长径比），从而揭示了 IISC 的设计方法。最后，讨论了变桨距技术，并提出了一种新型变桨距方法，以进一步提高 IISC 的性能。本文可有效指导 IISC 的设计，进一步推动螺杆压缩机技术的发展。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Refrigeration-revue Internationale Du Froid 工程技术-工程：机械

CiteScore

7.30

自引率

12.80%

发文量

363

审稿时长

3.7 months

期刊介绍： The International Journal of Refrigeration is published for the International Institute of Refrigeration (IIR) by Elsevier. It is essential reading for all those wishing to keep abreast of research and industrial news in refrigeration, air conditioning and associated fields. This is particularly important in these times of rapid introduction of alternative refrigerants and the emergence of new technology. The journal has published special issues on alternative refrigerants and novel topics in the field of boiling, condensation, heat pumps, food refrigeration, carbon dioxide, ammonia, hydrocarbons, magnetic refrigeration at room temperature, sorptive cooling, phase change materials and slurries, ejector technology, compressors, and solar cooling. As well as original research papers the International Journal of Refrigeration also includes review articles, papers presented at IIR conferences, short reports and letters describing preliminary results and experimental details, and letters to the Editor on recent areas of discussion and controversy. Other features include forthcoming events, conference reports and book reviews. Papers are published in either English or French with the IIR news section in both languages.