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首页> 外文期刊>International journal of design & nature and ecodynamics >Multi-Objective Optimization of Structural Parameters for Rotary Flow Jetting Tool Based on Orthogonal Experiment
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Multi-Objective Optimization of Structural Parameters for Rotary Flow Jetting Tool Based on Orthogonal Experiment

机译：基于正交实验的旋转流动喷射工具结构参数的多目标优化

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摘要

There is no precedent for the application of rotary flow jetting tool in the drainage gas recovery under gas wells. Based on the motion principles of jet flow and vortex flow, this paper designs a downhole rotary flow jetting tool, and verifies the feasibility of the tool through fluid simulation. Next, an indoor experiment device was established for drainage gas recovery with rotary flow jetting tool by the principle of similarity, and the structural parameters of the tool were subject to multi-objective optimization through orthogonal experiments. The optimized tool can achieve ideal rotary flow height and discharge volume. The results show that the proposed rotary flow jetting tool can effectively separate gas from liquid, and produce a rotary flow. The optimal structural parameters were determined as follows: the pitch diameter of spiral body is 45mm, the throat pipe length is 247mm, the spiral angle is 55°-60°, the spiral wing width is 4-6mm, and the nozzle diameter is 15-25mm. In addition, the number of side holes of the throat pipe has little effect on the jetting effect.
机译：在气井下的排水气回收中，没有先例的应用旋转流动喷射工具。基于喷射流动和涡流的运动原理，本文设计了井下旋转流动喷射工具，并通过流体仿真来验证工具的可行性。接下来，通过相似性原理建立具有旋转流动喷射工具的排水气回收的室内实验装置，并且通过正交实验，该工具的结构参数受到多目标优化的影响。优化的工具可以实现理想的旋转流量高度和放电体积。结果表明，所提出的旋转流动喷射工具可以有效地将气体与液体分离，并产生旋转流动。最佳结构参数如下测定：螺旋体的俯仰直径为45mm，喉管长度为247mm，螺旋角为55°-60°，螺旋翼宽度为4-6mm，喷嘴直径为15 -25mm。此外，喉管的侧孔的数量对喷射效果几乎没有影响。

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