A novel method for extending the calibration range of five-hole probe for highly three-dimensional flows

A. J. Pisasale; N. A. Ahmed

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A novel method for extending the calibration range of five-hole probe for highly three-dimensional flows

机译：扩展高三维流动的五孔探头校准范围的新方法

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Five-hole probe used in a non-nulling manner to find unknown flow properties is limited to a low range of acceptance angles due to singularity encountered in the calibration procedure. A novel method to extend this range by avoiding singularity is developed allowing calibration of a five-hole probe up to much larger angles of pitch and yaw. The method has been tested using experimental calibration data of a five-hole probe that were obtained employing the 18in. × 18in. subsonic closed circuit wind tunnel of the University of New South Wales at the wind tunnel speed of 15 m/s. The new procedure shows that the calibration range can be successfully extended to angles of up to ±75°. A step-by-step procedure of using the new technique is also detailed in this chapter.

机译：由于校准过程中遇到的奇异性，以非清零的方式使用五孔探头来发现未知的流量特性仅限于接受角范围较小的情况。通过避免奇异性来扩展该范围的新方法得到了发展，该方法允许将五孔探头校准到更大的俯仰角和偏航角。该方法已通过使用18英寸获得的五孔探针的实验校准数据进行了测试。 ×18英寸新南威尔士大学的亚音速封闭式风洞，风洞速度为15 m / s。新程序表明，校准范围可以成功扩展到最大±75°的角度。本章还详细介绍了使用新技术的分步过程。

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《Flow Measurement and Instrumentation》 |2002年第2期|共8页
作者
A. J. Pisasale; N. A. Ahmed;
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正文语种 eng
中图分类热工量的测量仪表;
关键词
Multi-hole probe; Pressure probe; Five-hole probe; Three-dimensional flow;

机译：多孔探头;压力探头;五孔探头;三维流;

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专利

1. A novel method for extending the calibration range of five-hole probe for highly three-dimensional flows [J] . A. J. Pisasale, N. A. Ahmed Flow Measurement and Instrumentation . 2002,第1a2期

机译：扩展高三维流动的五孔探头校准范围的新方法
2. A method of calibration of a seven-hole pressure probe for measuring highly three-dimensional flows [J] . C Venkateswara Babu, M Govardhan, N Sitaram Measurement Science & Technology . 1998,第1a3期

机译：用于测量高三维流量的七孔压力探头的校准方法
3. Development of a functional relationship between port pressures and flow properties for the calibration and application of multihole probes to highly three-dimensional flows [J] . Pisasale AJ., Ahmed NA. Experiments in Fluids: Experimental Methods and Their Applications to Fluid Flow . 2004,第3期

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5. Scanning probe microscopy studies of the highly strained epitaxy of indium arsenide on gallium arsenide(001) and scanning probe based imaging and manipulation of nanoscale three-dimensional objects. [D] . Ramachandran, T. R. 1998

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6. Accuracy of calibration of electromagnetic flow-probe by dye dilution method. [O] . B. G. Min, S. Fich, H. S. Shiang 1977

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8. Five-Hole Flow Angle Probe Calibration for the NASA Glenn Icing Research Tunnel [R] . Gonsalez, Jose C., Arrington, E. Allen 1999

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A novel method for extending the calibration range of five-hole probe for highly three-dimensional flows

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