Two-dimensional Correction Of Data Measured Using A Large Pressure
Sensor
Author(s)
M. Pohanka
Abstract
Two-dimensional correction of data
measured using a large pressure sensor
M. Pohanka
Faculty of Mechanical Engineering, Brno University of Technology,
Czech Republic.
Abstract
Various nozzle applications require description of a pressure impact field, which
can mostly be done only by measurement. This paper describes how to obtain
precise results using a real finite-size pressure sensor. In some cases, the impact
distribution is very small or at least very narrow. Measuring such distributions
with a pressure sensor, which is not small enough, results in incorrect data. The
pressure is being averaged during the measurement and the shape of the
obtained spray distribution is larger and the measured pressure maximum is
lower than the real one. This paper describes how to correct the measured spray
distribution. A two-dimensional Fast Fourier Transformation (FFT) is used to
convert both the measured data and pressure sensor to the frequency domain.
The correction of the measured spray distribution
Keywords
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