Method of recovery of gas flow pressure based on the results of measurements in short-duration wind tunnels

Derevyanko V. A.; Kukushkin S. V.; Latypov A. F.

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Method of recovery of gas flow pressure based on the results of measurements in short-duration wind tunnels

机译：基于短时风洞测量结果的瓦斯流量恢复方法

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The paper presents a method of recovery of gas flow pressure from the results of measurements by a piezoelectric pressure sensor in short-duration wind tunnels. It is assumed that the measuring system is a linear dynamic object. A quasisolution of linear Volterra integral equation of the first kind is constructed based on the condition that the equation holds on average in successive intervals into which the time interval of the measurement is divided. An experimental technique for determining the normal response of the sensor (transfer function) is proposed, and an example of recovery of air flow pressure in a wind tunnel is given.

机译：本文提出了一种从压电压力传感器在短时风洞中的测量结果中恢复气流压力的方法。假设测量系统是线性动态对象。基于该线性Volterra积分方程的拟解，其条件是该方程在连续的间隔中平均保持，在该间隔中将测量的时间间隔除以该间隔。提出了一种确定传感器正常响应（传递函数）的实验技术，并给出了风洞中空气压力恢复的示例。

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来源
《Journal of Applied Mechanics and Technical Physics》 |2014年第6期|970-978|共9页
作者
Derevyanko V. A.; Kukushkin S. V.; Latypov A. F.;
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作者单位

Russian Acad Sci, Siberian Branch, Inst Computat Modeling, Krasnoyarsk 660036, Russia;

Russian Acad Sci, Siberian Branch, Inst Computat Modeling, Krasnoyarsk 660036, Russia;

Russian Acad Sci, Khristianovich Inst Theoret & Appl Mech, Siberian Branch, Novosibirsk 630090, Russia;

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正文语种 eng
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short-duration wind tunnel; pressure; Volterra integral equations of the first kind;

机译：短时风洞压力第一类Volterra积分方程;

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8. Notes and Comments on some particular Featuresnof Wind-Tunnel Design following Measurements of Flow Distribution, Wall Pressures etc. in the N. P. L. 7 ft (Low Turbulence) Wind Tunnel [R] . C. Salter, W. G. Raymer 1965

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Method of recovery of gas flow pressure based on the results of measurements in short-duration wind tunnels

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