Abstract

Short Retraction Notice The paper does not meet the standards of Open Journal of Fluid Dynamics. This article has been retracted to straighten the academic record. In making this decision the Editorial Board follows COPE's Retraction Guidelines. Aim is to promote the circulation of scientific research by offering an ideal research publication platform with due consideration of internationally accepted standards on publication ethics. The Editorial Board would like to extend its sincere apologies for any inconvenience this retraction may have caused. Editor guiding this retraction: Prof. Heuy Dong Kim (EiC, OJFD) The full retraction notice in PDF is preceding the original paper which is marked RETRACTED.

Highlights

  • Pressure measurement is generally used for investigating details of flow fields quantita-Ttively in fluids measurement experiments

  • For steady state pressure measurement in averaged evaluation, it is necessary to wait a time to reach a constant measurement pressure [3] because the pressure guide tube from measurement holes to pressure sensor is long in terms of experiment efficiency

  • E wind tunnel with low frequency fluctuation, it is concerned about the possibility of causing an error of difference pressure due to the difference of delay time between pressure sensor side and reference pressure side, which results from the difference of

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Summary

Conflict of Interests

Results of publication (only one response allowed): are still valid. X were found to be overall invalid. History Expression of Concern: yes, date: yyyy-mm-dd X no Correction: yes, date: yyyy-mm-dd X no Comment: The paper does not meet the standards of "Open Journal of Fluid Dynamics". This article has been retracted to straighten the academic record. In making this decision the Editorial Board follows COPE's Retraction Guidelines. The Editorial Board would like to extend its sincere apologies for any inconvenience this retraction may have caused. Open Journal of Fluid Dynamics, 2016, 6, 234-241 http://www.scirp.org/journal/ojfd ISSN Online: 2165-3860 ISSN Print: 2165-3852. Open Journal of Fluid Dynamics, 6, 234-241

Introduction
Measurement of Delay Time
Test Cases
Results and Discussion
Effect of Length and Internal Diameter of the Tubes
Conclusion

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