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首页> 外文会议>ASME/JSME/KSME Joint Fluids Engineering Conference >INVESTIGATION ON THE EFFECTS OF TORQUE CONVERTER BLADE THICKNESS BASED ON FSI SIMULATION
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INVESTIGATION ON THE EFFECTS OF TORQUE CONVERTER BLADE THICKNESS BASED ON FSI SIMULATION

机译：基于FSI仿真的变矩器叶片厚度影响研究

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A lot of efforts were put into the design of torque converter blade angles and the analysis of transient flow behaviors; yet little is known about the influence of the blade thickness distribution on the performance or structural response of a torque converter. This study proposed a parameterized blade thickness design model and analyzed the effects of the blade thickness on hydrodynamic performance and structural response using fluid-structure interaction (FSI) models. Both one-way FSI model and two-way FSI model were built and evaluated against test data, and it was found that the transient two-way FSI model outperformed the steady-state FSI model in terms of both flow and structure simulations. It was found that the stall torque ratio and peak efficiency exhibited positive correlations with blade thicknesses, whereas the stall capacity constant was inversely related to blade thicknesses. Both numerical and experimental results suggested that the pump-turbine interaction induced serious flow fluctuations, and FSI simulations were required in the design process to avoid potential resonance.
机译：变矩器叶片角度的设计和瞬态流动特性的分析都付出了很多努力。关于叶片厚度分布对变矩器的性能或结构响应的影响知之甚少。这项研究提出了一个参数化的叶片厚度设计模型，并使用流固耦合模型分析了叶片厚度对流体动力性能和结构响应的影响。建立了单向FSI模型和双向FSI模型，并根据测试数据进行了评估，发现在流动和结构仿真方面，瞬态双向FSI模型均优于稳态FSI模型。发现失速转矩比和峰值效率与叶片厚度呈正相关，而失速容量常数与叶片厚度成反比。数值和实验结果均表明，水泵与涡轮的相互作用会引起严重的流量波动，在设计过程中需要进行FSI仿真以避免潜在的共振。

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