三维印刷五孔探头跨声速流态的数值标定

IF 1.8 3区工程技术 Q3 ENGINEERING, MECHANICAL

Journal of Fluids Engineering-Transactions of the Asme Pub Date : 2021-05-01 DOI:10.1115/1.4049680

Maximilian Passmann, S. Wiesche, F. Joos

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引用次数: 1

摘要

本文提出了一种基于增材制造和数值校准程序的跨声速流态五孔探头的成本和时间有效的校准方法。详细描述了计算设置和校准程序。校准程序在定制的l形锥形探头上进行测试，探头为30度半角，尖端平整，外径为2.4 mm。探针尖端是用不锈钢制造的，使用直接金属激光烧结。数值校准在马赫数0.2-1.4范围内进行，俯仰角和偏航角为±45度。通过整个马赫数范围内的风洞试验验证了数值校准图，并对数值校准方法的预期精度进行了量化。给出了带叶尖间隙的线性跨声速涡轮叶栅上下面积横贯的示例结果，并进行了简要讨论。

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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Numerical Calibration of Three-Dimensional Printed Five-Hole Probes for the Transonic Flow Regime

This paper presents a method for a cost- and time-effective calibration procedure for five-hole probes for the transonic flow regime based on additive manufacturing and a numerical calibration routine. The computational setup and calibration routine are described in detail. The calibration procedure is tested on a custom-built L-shaped conical probe of 30 deg half-angle with a flat tip and an outer diameter of 2.4 mm. The probe tip is manufactured in stainless steel using direct metal laser sintering. Numerical calibration is carried out over a Mach number range of 0.2–1.4 and pitch and yaw angles of ±45 deg. The numerical calibration charts are validated with wind tunnel tests across the entire Mach number range and the expected accuracy of the numerical calibration method is quantified. Exemplary results of area traverses up- and downstream of a linear transonic turbine cascade with tip clearance are presented and discussed briefly.

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来源期刊

Journal of Fluids Engineering-Transactions of the Asme 工程技术-工程：机械

CiteScore

4.60

自引率

10.00%

发文量

165

审稿时长

5.0 months

期刊介绍： Multiphase flows; Pumps; Aerodynamics; Boundary layers; Bubbly flows; Cavitation; Compressible flows; Convective heat/mass transfer as it is affected by fluid flow; Duct and pipe flows; Free shear layers; Flows in biological systems; Fluid-structure interaction; Fluid transients and wave motion; Jets; Naval hydrodynamics; Sprays; Stability and transition; Turbulence wakes microfluidics and other fundamental/applied fluid mechanical phenomena and processes